ABS - VCDS accessing ABS controller module - what is turned off?

   #1  

Fussybob

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I have a 2014 Audi Q5. I have a problem with the ABS activating a slower speeds on a dry road going down hills only. On level roads no early ABS activation.

Wheel Speed Sensor data shows no sensor problems.

I notice that when I connect VCDS to the ABS Controller module that it turns the Traction Control off. ABS still functions as I tried it in the snow

It seems that when I have VCDS connected to the ABS Controller Module the ABS doesn't come on early at all.

Does anyone know exactly what Q5 braking/control systems are turned off when I access the ABS Controller module?
 
   #3  

Fussybob

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The ABS Controller lists a coding error because I coded the Q5 to turn off the steering DSR. This always will trigger the ABS error. I turned off DSR 6 years ago and never had any early ABS activation going down a hill. The other day I turned DSR back on and I still had early ABS activation going down a hill.



Code:
Tuesday,21,January,2020,14:53:29:57956
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
VCDS Version: 19.6.2.0 (x64)
Data version: 20190930 DS308.0
www.Ross-Tech.com


VIN: WA1CFBFP3EA00xxxx   License Plate: 


Chassis Type: FP-AU48 (8R0)
Scan: 01 02 03 05 08 09 15 16 17 19 2E 42 44 46 47 52 53 56 62 72
          77

VIN: WA1CFBFP3EA001585   Mileage: 29150km-18112miles

01-Engine -- Status: OK 0000
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: Malfunction 0010
04-Steering Angle -- Status: OK 0000
05-Acc/Start Auth. -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
2E-Media Player 3 -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
47-Sound System -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
53-Parking Brake -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
62-Door, Rear Left -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
77-Telephone -- Status: OK 0000
 
-------------------------------------------------------------------------------
Address 01: Engine (DET-CPMB)       Labels:. 06H-907-115-CDN.clb
   Part No SW: 8R1 907 115 L    HW: 8K2 907 115 L
   Component: 2.0l R4/4V TF H09 0005  
   Revision: ECH09---    
   Coding: 6A2A0013242600062000
   Shop #: WSC 46055 002 1048576
   ASAM Dataset: EV_ECM20TFS0118R1907115L 001006
   ROD: EV_ECM20TFS0118R1907115L.rod
   VCID: 3E73DAE7A195D1BF95-806A

No fault code found.
Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 02: Auto Trans (J217)       Labels:| 0BK-927-156.clb
   Part No SW: 8R1 927 158 C    HW: 0BK 927 156 AL
   Component: 0BK 20TFSIUSA H16 1002  
   Revision: --H16---    
   Coding: 000002
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_TCMAL551211 002020
   ROD: EV_TCMAL551211_002_AU48.rod
   VCID: 3E73DAE7A195D1BF95-806A

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 8R0-907-379-V2.clb
   Part No SW: 8R0 907 379 AM    HW: 8R0 907 379 AM
   Component: ESP8 quattro  H09 0030  
   Revision: --------    Serial number: --------------
   Coding: 151D1803
   Shop #: WSC 06335 000 00000
   VCID: 0B154333AAA73417C2-805E

1 Fault Found:
01044 - Control Module Incorrectly Coded 
            000 - -
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 86
                    Mileage: 29151 km
                    Time Indication: 0
                    Date: 2020.01.21
                    Time: 14:42:07

             Freeze Frame:
                    Hex Value: 0x0000
                    Hex Value: 0x07A2
                    Hex Value: 0x0015
                    Hex Value: 0x1092
                    Hex Value: 0x0000


-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J393)       Labels:. 8K0-907-064-05.clb
   Part No SW: 8K0 907 064 GL    HW: 8K0 907 064 FL
   Component: BCM2 2.0      H12 0633  
   Revision: 00002001    
   Coding: 09854040000000000000
   Shop #: WSC 06335 000 00000
   VCID: 000F641F93E1674FA7-8054

   Subsystem 1 - Part No SW: 8K0 959 754 F    HW: 8K0 959 754 F
   Component: FBSAUDIB8 IDG  H71 0083 
   Serial number: 0513000030667009    

   Subsystem 2 - Part No SW: 8K0 905 852 E    HW: 8K0 905 852 E
   Component: J764 ELV MLB  H40 0046 
   Serial number: 2313000077135011    

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels: Redir Fail!
   Part No SW: 8K1 820 043 T    HW: 8K1 820 043 T
   Component: KLIMA 3 ZONEN H04 0123  
   Revision: C1000000    Serial number: 01150520131101
   Coding: 6481208000
   Shop #: WSC 06335 000 00000
   VCID: 3979C9FBB0BBF687A0-806C

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 8K0-907-063.clb
   Part No SW: 8K0 907 063 DF    HW: 8K0 907 063 DF
   Component: BCM1 1.0      H16 0103  
   Revision: 06016001    Serial number: 00000607657102
   Coding: 26000011843CAFC00000480300003D0D0F1C460822090221000008004000030100000000000000
   Shop #: WSC 06335 123 12345
   VCID: 76E302C7C12559FF8D-8022

   Subsystem 1 - Part No SW: 8R1 955 119 A    HW: 8R1 955 119   Labels: 1KX-955-119.CLB
   Component: WWS416 130423  H11 0050 
   Serial number: 90243014130417103126
   Coding: 01DD13

   Subsystem 2 - Part No SW: 8U0 955 559 B    HW: 8U0 955 559 B  Labels: 8U0-955-559.CLB
   Component: G397_RLFS  H06 0002 
   Serial number: 21299668            
   Coding: 42005C

   Subsystem 3 - Part No SW: 8K0 941 531 AS    HW: 8K0 941 531 AS
   Component: E1 - LDS  H03 0031 
   Serial number: 00000000000305135643

   Subsystem 4 - Part No SW: 4G0 907 410 A    HW: 4H0 907 410 A
   Component: USHL4.2  H30 0030 
   Serial number: 0000002274555R5Y6H02

   Subsystem 5 - Part No SW: 4H0 907 658     HW: 4H0 907 658 
   Component: AQ_Hum_Sensor  H03 0003 
   Serial number: D2084BA6000000000001

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:* 8R0-959-655.clb
   Part No SW: 8R0 959 655 F    HW: 8R0 959 655 F
   Component: AirbagVW-AU10 H45 0610  
   Serial number: 003GPD91LLAX  
   Coding: 303334313432303030304A55304C38523053
   Shop #: WSC 06335 000 00000
   ASAM Dataset: EV_AirbaAU10SMEAU416 002004
   ROD: EV_AirbaAU10SMEAU416.rod
   VCID: 479DBF03FE4F907726-8012

   Seat occupied recognition: 
   Subsystem 1 - Part No SW: 8R0 959 339 A    HW: 8R0 959 339 A
   Component: BF-Gewichtss.  H02 0040 
   Serial number: 5810000R130000BKAG

   Crash sensor for side airbag: driver side: 
   Serial number: 6334MSME7A404C45J

   Crash sensor for side airbag: front passenger side: 
   Serial number: 6344MSME7A32765ES

   Crash sensor for side airbag: rear: driver side: 
   Serial number: 6352QSME12322D64A

   Crash sensor for side airbag: rear: passenger side: 
   Serial number: 6362QSME343242422

   Crash sensor for front airbag: driver side: 
   Serial number: 63732SME1632125EX

   Crash sensor for front airbag: front passenger side: 
   Serial number: 63832SME16323356T

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J527)       Labels:. 8K0-953-568.clb
   Part No SW: 8K0 953 568 Q    HW: 8K0 953 568 Q
   Component: Lenks.Modul   H03 0003  
   Revision: --------    Serial number: 90862MEE000N0 
   Coding: 000017
   Shop #: WSC 06335 000 00000
   VCID: 489FBC3FFB519F0F2F-801C

   Component: E221 - MFL  H03 0004 

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:. 8R0-920-xxx-17.clb
   Part No SW: 8R0 920 950 R    HW: 8R0 920 950 R
   Component: KOMBIINSTR.   H07 0563  
   Revision: 00300000    Serial number: WX131285E     
   Coding: 8B9722000301D705020000
   Shop #: WSC 06335 000 00000
   VCID: 4581B50BCC438267D4-8010

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 8T0-907-468.clb
   Part No SW: 8R0 907 468 L    HW: 8R0 907 468 A
   Component: GW-BEM 5CAN   H11 0056  
   Revision: 1V080027    Serial number: 2741V134218039
   Coding: 80C303FF00
   Shop #: WSC 06335 000 00000
   VCID: 489FBC3FFB519F0F2F-801C

   Subsystem 1 - Part No SW: 8R0 915 181     HW: 8R0 915 181 
   Component: J367-BDM  H07 0141 
   Serial number: 30116N22381461306021

No fault code found.

-------------------------------------------------------------------------------
Address 2E: Media Player 3 (R199)       Labels:. 8T0-035-785.clb
   Part No SW: 8T0 035 785 A    HW: 8T0 035 785 
   Component: SG ext.Player H08 0290  
   Revision: 00000000    
   Coding: 020302
   Shop #: WSC 06335 000 00000
   VCID: 3979C9FBB0BBF687A0-806C

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:. 8K0-959-793.clb
   Part No SW: 8K0 959 793 R    HW: 8K0 959 793 P
   Component: TSG FA        H02 0508  
   Revision:             Serial number: 0000061650191 
   Coding: 011D03204000440004
   Shop #: WSC 06335 000 00000
   VCID: 4FAD97231E3F48376E-801A

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist (J500)       Labels:| 8K0-909-144.clb
   Part No SW: 8R0 909 144 F    HW: 8R0 909 144 B
   Component: RCEPS         H37 0507  
   Revision: 00001000    Serial number: 0029446400
   Coding: 000000000000
   Shop #: WSC 06334 123 12345
   ASAM Dataset: EV_RCEPSAU48X 008014
   ROD: EV_RCEPSAU48X_008.rod
   VCID: 3B75D3F3B287C497B2-806E

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv. (J393)       Labels:. 8K0-907-064-46.clb
   Part No SW: 8K0 907 064 GL    HW: 8K0 907 064 FL
   Component: BCM2 2.0      H12 0633  
   Revision: 00002001    Serial number: 0307033153    
   Coding: 0126023A20FA400084B0053200040000
   Shop #: WSC 06334 000 00000
   VCID: 000F641F93E1674FA7-8054

   Subsystem 1 - Part No SW: 8K0 959 719 B    HW: 8K0 959 719 
   Component: GTO BF  H01 0080 
   Serial number: 00000000000000672798

   Subsystem 2 - Part No: 1K0 951 605 C
   Component: LIN BACKUP HO  H05 1501 

No fault code found.

-------------------------------------------------------------------------------
Address 47: Sound System (J525)       Labels:. 8T0-035-223-ASC.clb
   Part No SW: 8R0 035 223 G    HW: 8R0 035 223 E
   Component: DSP STD       H11 0460  
   Revision: 00000000    Serial number: 00000000000001
   Coding: 0203010102
   Shop #: WSC 06335 000 00000
   VCID: 306FF4DF63C137CF17-8064

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:. 8K0-959-792.clb
   Part No SW: 8K0 959 792 R    HW: 8K0 959 792 P
   Component: TSG BF        H02 0508  
   Revision:             Serial number: 0000060953965 
   Coding: 011D03204400440004
   Shop #: WSC 06335 000 00000
   VCID: 4E938A271935413F65-801A

No fault code found.

-------------------------------------------------------------------------------
Address 53: Parking Brake (----)       Labels: 8K0-907-801-V2.clb
   Part No SW: 8K0 907 801 M    HW: 8K0 907 801 J
   Component: EPB-4         H01 0004  
   Revision: --------    Serial number: 10000000211001
   ASAM Dataset: EV_ParkiBrake 001028
   ROD: EV_ParkiBrake_AU48.rod
   VCID: 3979C9FBB8BBF687A0-806C

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (J503)       Labels:. 8Tx-035-1xx-56.clb
   Part No SW: 8R1 035 186 Q    HW: 8R1 035 186 Q
   Component: Con3 Sirius   H09 0471  
   Revision: 00000002    Serial number: AUZ5Z6M1896687
   Coding: 04020002010585004359070800
   Shop #: WSC 06335 000 00000
   VCID: 4385AB13C277BC57FA-8016

   Subsystem 1 - Part No SW: 8T0 919 603 G    HW: 8T0 919 603 G
   Component: Display  

1 Fault Found:
03157 - Functionality limited due to Communications Disruption 
            000 - - - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 6
                    Fault Frequency: 15
                    Reset counter: 121
                    Mileage: 27263 km
                    Time Indication: 0
                    Date: 2019.08.06
                    Time: 07:55:10

             Freeze Frame:
                    Bin. Bits: 00000000
                    Bin. Bits: 00000000
                    Bin. Bits: 00000000
                    Bin. Bits: 00000000
                    Bin. Bits: 00000000
                    Bin. Bits: 10000000
                    Bin. Bits: 00000000
                    Bin. Bits: 00000000


-------------------------------------------------------------------------------
Address 62: Door, Rear Left (J388)       Labels:. 8K0-959-795.clb
   Part No SW: 8K0 959 795 G    HW: 8K0 959 795 D
   Component: TSG HL        H01 0506  
   Revision:             Serial number: 0000060599672 
   Coding: 010C03204000240004
   Shop #: WSC 06335 000 00000
   VCID: 4683B207F145897FDD-8012

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right (J389)       Labels:. 8K0-959-795.clb
   Part No SW: 8K0 959 795 G    HW: 8K0 959 795 D
   Component: TSG HR        H01 0506  
   Revision:             Serial number: 0000060599673 
   Coding: 010C03204000240004
   Shop #: WSC 06335 000 00000
   VCID: 4683B207F145897FDD-8012

No fault code found.

-------------------------------------------------------------------------------
Address 77: Telephone        Labels: 8P0-862-335.lbl
   Part No SW: 8T0 862 336 F    HW: 8T0 862 336 E
   Component: FSE_256x BT     H45 0660  
   Revision: 00000000    Serial number: 00000005309953
   Coding: 0010370
   Shop #: WSC 06335 000 00000
   VCID: 3E73DAE76995D1BF95-806A

No fault code found.

End-------------------------(Elapsed Time: 03:28)--------------------------
 
Last edited:
   #4  

Uwe

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VCDS Serial number
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Exactly what is and isn't turned off when a diagnostic session is active varies from one type of ABS to the next and isn't something that I've ever seen documented by VAG.

-Uwe-
 
   #5  

Fussybob

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Exactly what is and isn't turned off when a diagnostic session is active varies from one type of ABS to the next and isn't something that I've ever seen documented by VAG.

-Uwe-

Thanks on that information. So it isn't worth guessing.
 
   #6  

Fussybob

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OK the problem is a little worse than before.

I'm moderately braking at 50 mph going downhill and the ABS activates at 40 mph at my same downhill test points, as soon as I'm on the level and brake from 50 to 0 mph no ABS activity

Yesterday I tested the ABS system with, and without, VCDS connected to the ABS controller and I could stop at those same downhill test areas from 50 to 0 mph without any ABS activation.
The wheel speed sensor VCDS data reported no wheel lockups.

The only thing that is different from yesterday when I had no ABS issues is that I added 14 gallons of gasoline. More weight on rear brakes, or just more weight in general.

Anyone have any guesses what can be happening here? I can replace the brake pads, rotors, ABS controller/pump, wheel speed sensors for a few thousand dollars and still have the problem.
 
Last edited:
   #7  

Jack@European_Parts

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VCDS Serial number
C?ID=57337
Vehicle Identification No.WA1CFBFP3EA001585
ModelAudi Q5 qu. 2.0
AQ5
Date of production25.05.2013
Model year2014
Sales type8RB52A
Engine CodeCPMB
Transmission CodePRW

Emission standard7GBEmission standard ULEV 2

BEEN HERE?
https://www-odi.nhtsa.dot.gov/VehicleComplaint/

Did you JPPSG yet?
https://forums.ross-tech.com/showth...essional-Problem-Solver-Guide-quot-JPPSG-quot

2 Unrepaired Recalls associated with this VIN!

fod-control-signs-risk-series.png


Oct 05,2017
Manufacturer Recall Number 80C5
NHTSA Recall Number 17V622

Recall Status !important Recall Incomplete
SummaryThe electrical connector of the auxiliary heater is susceptible to contact corrosion, which may cause the auxiliary heater to fail and/or cause the wires to overheat and melt. Melting wires may usually lead to an open circuit, but can also lead to overheating which can result in a fire.
Safety RiskMelting wires may usually lead to an open circuit, but can also lead to overheating which can result in a fire.
RemedyReplace the auxiliary heater and, for vehicles that have not yet had the software update performed, perform software update. This work will be performed free of charge.
Manufacturer's NotesIf you should have any questions, please contact Audi Customer Experience at 1-800-253-2834 or via Contact Us page at www.audiusa.com.
If the manufacturer has failed or is unable to remedy this safety recall for your vehicle in a timely manner,please contact the NHTSA Vehicle Safety Hotline at: 1-888-327-4236 or TTY: 1-800-424-9153 or file an online complaint with NHTSA.

May 16,2017
Manufacturer Recall Number 20Z8
NHTSA Recall Number 17V298
Recall Status !important Recall Incomplete
SummaryOn certain vehicles, the fuel pump flange may develop fine cracks or fissures, which could result in a fuel leak. Leaking fuel, in the presence of an ignition source, may result in a fire.
Safety RiskLeaking fuel, in the presence of an ignition source, may result in a fire.
RemedyDealers will apply a butyl protective film to the fuel pump flange. If cracks are present, the fuel pump flange will be replaced.
Manufacturer's NotesIf you should have any questions, please contact Audi Customer Experience at 1-800-253-2834 or via Contact Us page at www.audiusa.com.


BE CAREFUL NOW YOU DON'T WANT TO SET YOUR ASS OR HOME ON FIRE DO YA?



Code:
Special editionsE0AWithout special action equipment
Lockable wheel bolts1PAStandard wheel bolts
Vehicle class differentiation units/platform components7JLVehicle class differentiation -8R0-
Emission standard7GBEmission standard ULEV 2
Trailer hitch1D8Trailer hitch preparation
airbag4UBAirbag for NAR
Aktivkohlebehälter / Ottopartikelfilter1E4Activated carbon canister (ORVR) and siphoning device for fueling
Label for central electric0W2Label for central electric system English-speaking countries
Storage compartment packageQE1Storage compartment package 1
Exterior mirror setting6XDExterior mirrors, power-adjustable/ heated
Follow-on warrantyEA0Without subsequent warranty
Left exterior mirror5SGLeft exterior mirror, flat
Right exterior mirror5RWRight exterior mirror, convex (US) large viewing field
Alternative drive system0K0Without alternative drive system
Drive type1X1Four-wheel drive
"Multimedia"video/DVD/notebook connection9WCWithout "Multimedia" in vehicle
Equipment levelsA8UExecutive US equipment
Brake type in rear2EKDisc brakes in rear
batteriesJ0BBattery 520 A (92 Ah)
Brake type, front1LBDisc brakes in front
Components with special surface6FAComponents without special surface appearance
Handset (telephone)QF0Without receiver (car phone)
Battery/alternator capacityNY2Increased battery capacity
Component part sets with country-specific design requirementsB0Abuild parts set without county specific documentatio
vehicle tools and jack1S1vehicle tools and jack
Brake systems1ATElectronic stability control (ESC)
Owner's manuals0VMInformation kit in American English
CD ROM/DVD/SD card7QAWithout CD/DVD for navigation
CD changer/CD player7A3CD player
"Charism"2H0Without "drive select"
General operating permit, alterationsC00Operating permit, initial registration
CO2 variant0C0Standard
Cd enhancing underbody panel2D0Without cd enhancing underbody panel
Shock absorption/suspension, chassis1BAStandard suspension/shock absorption
Roof rails/roof load rack3S1Bright roof rails
Roof insert/convertible top3FAWithout roof insert (standard roof)
Decorative films / emblems6F0Without decorative films/emblems
Load-through hatch/ski bag3X0without load through system
Theft protection system7AJElectronic immobilizer, with anti-theft alarm system and backup horn
Inserts5MGDecorative inserts, burr-walnut
Scuff plates7M0Plastic scuff plates in door apertures
Park distance control7X0Without park distance control
Electric interface for external useUF7Electric interface for external use
Manufacturing sequence differentiation0FAStandard manufacturing sequence
Headlight activation8K4Separate daytime running light -- NAR --
Parking brakeUH1Parking brake
Vehicle tracing system7G0Without preparation for VTS (Vehicle Tracing System)
Vehicle specificationsF0ANo special purpose vehicle, standard equipment
Alternators9G3Alternator 120-180 A
Transmission types/gearshift mechanisms0G7tiptronic
Weight category rear axle0YDWeight range 4 installation control only, no requirement forecast
Weight category front axle0JEWeight category front axle weight range 5
Base engineTL64-cylinder SI engine 2.0 l unit 06H.H
cruise control system8T1Cruise control system (CCS)
Garage door openerVC2Garage door opener
Transmission specificationsG1G8-speed automatic transmission for four-wheel drive
rear axle differentialGH1Basic rear differential
Rear trim panel6V2Rear trim panel
ManufacturerA51Audi AG
Rear spoiler5J1Rear spoiler
Molded headliner6NJStandard molded headliner
Rear seats5KAThree rear seats
Heating and air-conditioning system9AQAir conditioning plus
Headlamps8EHBi-functional headlamps with gas discharge lamp, for driving on the right (US design)
Customized installationFC0Without customized installation
Instrument clustersU1BInstrument cluster with mph speedometer, clock, tachometer and trip odometer
Breakaway interior rearview mirror4L2Breakaway interior rearview mirror, dimming
Body styleK4HClosed body
Luggage compartment floor covering6SNLuggage compartment protection insert
Climatic zones0Y4Cold and tropical climatic zones (US)
Rear head restraints3Q1headrest for seat, rear
Fuel quantity for initial filling1Z6Increase in initial standard fuel filling
Fuel quality0U7Fuel quality E85
Fuel systems1A4Fuel system Multi Fuel
Body measures5C1Body measures for increased safety requirements
Child seat anchors in front3G0Without child seat anchora in front (ISOFIX)
refrigerantKK1Refrigerant R134a
Front license plate carrier6W9Front license plate carrier
Paint preservative/transit coating5K4Full body cover (shape-adapted system) with additional transport protection measures
Rear cargo area3GDPlane luggage/load compartment floor in rear
Light package (lighting)QQ1With additional lights (interior lighting)
Steering system arrangementL0LLeft-hand drive
steeringQZ7Power steering
Load edge protection2P1Plastic loading edge protection
Lumbar support7P7Power-adjustable lumbar support for left front seat
steering wheels2ZQLeather-wrapped multi-function steering wheel for airbag system
Driving on the left/on the rightAV1Driving on the right
Speaker installation9VDactive loudspeakers
Leather scope7HAWithout leather trim
Headlight range control8Q3Dynamic headlight range control (self-adjusting while driving)
Center armrest6E3Center armrest in front
VersionsFM0Basic equipment variant
Multi-function display/trip computer9Q7Multi-function display/trip computer
Engine cooling8Z6Hot country
Engine specificationsD604-cylinder SI engine 2.0 l/162 kW (16V) turbo FSI, homogeneous, base engine is T61/TW6/TP6/T1P/TA9,TL6/TG6/TA2/TI5
Navigation device7Q0without navigation system
Front fog lamp/additional headlamp8WBFront fog lamps
Upgrading measuresGP2Vehicles with special upgrade measures
Audi Sport/ Quattro GmbHFQ0Production wheels
Quality classAQ0Standard-production quality
WheelsCB5Alloy wheels 8J x 18
Radios8UQRadio "concert" for USA
Tire pressure monitoring system7K6Tire pressure monitoring system
tireHX2All-weather tires 235/60 R18 103H (NAR)
Spare wheel/breakdown kit3F1Collapsible spare tire
Type of tireVG6Type of tire: design 2
WTHStyle package for USA
Side airbag4X4Side airbag in front and rear with curtain airbag
Gearshift knob/handle7F9Gearshift knob/handle in plastic/leather
Self-collection / special controlA00No self-collection
Special labels/plates0SSLabels in English and French
Tail lamp assemblies8SLTaillight assemblies with diodes (LED) (for NAR)
Locking mechanism for boot lid/cover rear4E2Tailgate/trunk lid release from inside (electrically)
Bumper systemsVJ4bumper reinforced
Seat belt check9P5Visual and acoustic seat belt reminder, electric contact
seat coversN1FSeat trim covers in leather, G-grain pattern/leatherette, B-grain pattern
Seat adjustment3L5Both front seats power-adjustable
seat heater4A3seat heating for front seats separat controlable
Safety certificate0LBWith special labels safety certificates for USA
Start-stop system/regenerative braking7L7Regenerative braking with 12.5 V
sun visors5XFSun visors on driver and front passenger side, extractable
Audio-response system/voice controlQH0without voice control
Lane change assist/lane keeping system7Y0no lane change assistant
Side and rear windows4KFheat protective glass for door, side and rear windows, darkened from b-pillar
Sunroof roller blind for rear/side windows3Y0without roller blind
Handling production and pre-productionFA0Control of series production
Headlamp washer system8X0Without headlamp washer system
Windshield wiper intermittent control/ light/rain sensor8N6Windshield wiper intermittent control with light/rain sensor
Special approval measures3M3Passenger car design
Nameplate set0NAWithout nameplate set (without model designation)
Thermal insulation insert (cup holder)KT0Without thermal insulation insert (cup holder)
Door and lid locking system4I2Central locking w/ radio remote control, interior controls, without SAFELOCK
Type approval countries/countries with special requirementsB34Legal requirements for USA
Carrier frequency for remote control5D2Carrier frequency 315 MHz
Partition3CAwithout partition
Transit coatingNT1Transit coating (type 2)
TV reception/digital radio receptionQV8Satellite radio reception NAR
Assembly parts for engine (drive bearing)1VGInstallation parts for four-cylinder engine
Front underbody guard1SHAdditional front underbody guard
Identification plates1EPSpecial identification label (USA)
Type sign2Z9Type sign at rear and "Quattro" nameplates respectively
First aid kit / warning triangle1T0Without first aid kit and warning triangle
Front seatsQ1AStandard seats in front
Telephone / telematics9ZXTelephone preparation for cellphone
Maintenance contractEW0Without maintenance contract
Heat accumulator system/auxiliary heater7E6Electric auxiliary air heater
Windshield Glass4GQWindshield in heat-insulating glass
Additional tires (snow tires)2WAwithout spare tyre
floor mats0TDFront and rear floor mats
Decorative trims4ZBBright decorative trims
Additional child seat anchors3B7Child seat anchors as per Canadian requirements a. ISOFIX child seat system
Zündanlaß/Schloß-Sperrsystem/ Elektrische Lenksäulenverriegelung0RCStarter switch locking system
Auxiliary heating system9M0Without auxiliary heater/parking heater
 
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Fussybob

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Ed: See above message


Fuel flange was repaired by me before recall.

3rd party rear camera system installed by me with control modules and wiring place where Audi needs to replace the heater grid and they would screw things up. Thus I just turn off the Aux Heater Grid in the MMI thus no need for recall repair and no risk of fire. My 2014 Q5, bought June 2013, only had 18K miles on it.

Now what has all this got to do with my early ABS activation problem?

I'm really looking for some help here as the dealer isn't even going to be able to fix it unless the replace tires, brake pads, rotors , ABS controller/pump. etc. They would just be guessing!
 
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Uwe

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I'm really looking for some help here as the dealer isn't even going to be able to fix it unless the replace tires, brake pads, rotors , ABS controller/pump. etc. They would just be guessing!
Please describe what you mean by "early activation" in as much detail as possible.

-Uwe-
 
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Jack@European_Parts

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The ABS Controller lists a coding error because I coded the Q5 to turn off the steering DSR. This always will trigger the ABS error. I turned off DSR 6 years ago and never had any early ABS activation going down a hill. The other day I turned DSR back on and I still had early ABS activation going down a hill.

fod-control-signs-risk-series.png



Did you consider returning vehicle to comport with its imported or original qualified build configuration & to match it's conformity?
 
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Fussybob

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Please describe what you mean by "early activation" in as much detail as possible.

-Uwe-

Moderate braking, not a panic type stop. Sort of when you are going at 50 mph down a slight grade, 100-150 feet away the traffic light turns red. I brake moderately to stop, going from 50mph to about 40-35 mph the ABS activates. I can repeat this at will. If I hook up VCDS, there is no early ABS activation at the same hill spots.

Here is a plot of my wheel speed sensors versus brake pressure at the same hill spot, no early ABS activation, with VCDS hooked up. I don't understand why the brake pressure goes to a max value, and then decreases the pressure to zero before I stop even though I have not removed my foot pressure from the brake pedal. If the pressure is going to zero while the car is slowing down, what is keeping the wheel brake cylinders under pressure? The ABS pump?
7C1EC2348672483E80C474A621D8B531.jpg
 
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Fussybob

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fod-control-signs-risk-series.png



Did you consider returning vehicle to comport with its imported or original qualified build configuration & to match it's conformity?

As I stated in a previous post I did turn the steering DSR back on and I still have early ABS activation. Other Q5 mods are minor tweaks, needle sweep, no turn signal wink, gear selection indicator, etc. Nothing to affect the ABS.

Otherwise the Q5 is stock.
 
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Jack@European_Parts

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Moderate braking, not a panic type stop. Sort of when you are going at 50 mph down a slight grade, 100-150 feet away the traffic light turns red. I brake moderately to stop, going from 50mph to about 40-35 mph the ABS activates. I can repeat this at will. If I hook up VCDS, there is no early ABS activation at the same hill spots.

Here is a plot of my wheel speed sensors versus brake pressure at the same hill spot, no early ABS activation, with VCDS hooked up. I don't understand why the brake pressure goes to a max value, and then decreases the pressure to zero before I stop even though I have not removed my foot pressure from the brake pedal. If the pressure is going to zero while the car is slowing down, what is keeping the wheel brake cylinders under pressure? The ABS pump?



As I stated in a previous post I did turn the steering DSR back on and I still have early ABS activation. Other Q5 mods are minor tweaks, needle sweep, no turn signal wink, gear selection indicator, etc. Nothing to affect the ABS.

Otherwise the Q5 is stock.


OMG........... ;)

When VCDS is hooked up & in communication with the ABS in a diagnostic session mode, it is not functional outside review of block data to check sensor plausibility or switching security access to other modes for adaption counts, did you read the SSP & RTFB?

GOLD AT LAST!

 
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Fussybob

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OMG........... ;)

When VCDS is hooked up & in communication with the ABS in a diagnostic session mode, it is not functional outside review of block data to check sensor plausibility or switching security access to other modes for adaption counts, did you read the SSP & RTFB?

When I have VCDS hooked up, accessing the ABS controller, and brake on snow the ABS activates just like it normally should. So where you state that it should not have ABS functioning, it does for me. I assume that you mean the Audi/VW brake system SSP's. I have read them and don't see anything in there stating about what is on or off during diagnostic mode. Unless I'm not reading the correct SSP. What is RTFB?
 
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Uwe

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Moderate braking, not a panic type stop. Sort of when you are going at 50 mph down a slight grade, 100-150 feet away the traffic light turns red. I brake moderately to stop, going from 50mph to about 40-35 mph the ABS activates. I can repeat this at will.
Again, please describe the this activation. One or two clicks felt in the pedal, or full-on, "I'm not gonna brake as hard as you'd wish I would"?

Here is a plot of my wheel speed sensors versus brake pressure at the same hill spot, no early ABS activation, with VCDS hooked up. I don't understand why the brake pressure goes to a max value, and then decreases the pressure to zero before I stop even though I have not removed my foot pressure from the brake pedal.
That graph would be easier to interpret if the X-axis were stretched some. But it looks to me like the pressure goes to zero right around the time that the vehicle stops, and peak pressure is reached at a good ways into the deceleration. I think the pressure drop is caused at least in part by your foot. It takes less pressure to maintain a constant decelleration as the vehicle slows down because the slower you go, the less energy the brakes need to dissipate for each unit of dV. Your foot (or really your brain) learns this fairly early on and compensates for it.

-Uwe-
 
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Again, please describe the this activation. One or two clicks felt in the pedal, or full-on, "I'm not gonna brake as hard as you'd wish I would"?


That graph would be easier to interpret if the X-axis were stretched some. But it looks to me like the pressure goes to zero right around the time that the vehicle stops, and peak pressure is reached at a good ways into the deceleration. I think the pressure drop is caused at least in part by your foot. It takes less pressure to maintain a constant decelleration as the vehicle slows down because the slower you go, the less energy the brakes need to dissipate for each unit of dV. Your foot (or really your brain) learns this fairly early on and compensates for it.

-Uwe-

Yes my brain/foot is most likely the cause. I'll need to repeat this test and focus to never let up on the brake pedal pressure when coming to the complete stop.
 
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Jack@European_Parts

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When I have VCDS hooked up, accessing the ABS controller, and brake on snow the ABS activates just like it normally should. So where you state that it should not have ABS functioning, it does for me. I assume that you mean the Audi/VW brake system SSP's. I have read them and don't see anything in there stating about what is on or off during diagnostic mode. Unless I'm not reading the correct SSP. What is RTFB?

Merely questions sir not a statement to clarify do you understand?

Isn't RTFB identified if highlighted in the forum with your mouse cursor?

What's this say?
https://www.definitions.net/definition/RTFB

http://wiki.ross-tech.com/wiki/index.php/Official_Factory_Repair_Information

Here is a statement below okay?

Your car is not stock and clearly FOD, further I recommend as a professional & free advice, that you conduct and configure your car to perform a qualified comporting repair using the RTFB & SVM or return your car to a proper backed up config with VCDS. Maybe pay attention to your braking more carefully like Uwe aforementioned.


You may want to enter the "tweaks or retrofits section" I'm NOT typically in that area & due to taking issue with it on my own principle values, however, here the questions will be with continuity and continue to be the same, get it?

Inertia change reported by acceleration/deceleration sensor on network?

Did you read about Downhill assist control yet?

https://procarmanuals.com/vag-ssp-657-audi-q5-type-fy/

https://procarmanuals.com/vag-ssp-433-audi-q5/

Downhill Assist Control In the Audi Q7, the function is activated by depressing the foot brake.In the Audi Q5, the Downhill Assist Control can, for the first time, be activated by a separate switch.Unlike comparable systems of other manufacturers,the system in the Audi Q5 is not preset to a very low constant nominal speed.The control variable is the speed at which the vehicle is travelling on entering the gradient.The system basically functions in the same way as the system in the Q7. Like in the Q7,the function of the EBD is modified when reversing by applying increased braking force to the rear axle. This is detected by the fact that reverse gear is engaged. Downhill Assist Control is also active when no gears engaged or the clutch is actuated.

Downhill Assist Control The intervention range has been extended over the Audi Q7 and, in the case of the Audi Q5, is at speeds of between 9 kph and 30 kph. The function can be switch-operated at speeds of up to 60 kph. The function is automatically deactivated when a speed of 60 kph is exceeded.When Downhill Assist Control is active and in Standby mode, this is indicated to the driver in the center display at speeds of up to 30 kph. The LED in the switch lights up when the function is activated at speeds of up to 60 kph.


fod-control-signs-risk-series.png
 
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Uwe

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Yes my brain/foot is most likely the cause. I'll need to repeat this test and focus to never let up on the brake pedal pressure when coming to the complete stop.
That will be a very jerky stop, especially at the end. :)

-Uwe-
 
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Fussybob

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Merely questions sir not a statement to clarify do you understand?

Isn't RTFB identified if highlighted in the forum with your mouse cursor?

What's this say?
https://www.definitions.net/definition/RTFB

http://wiki.ross-tech.com/wiki/index.php/Official_Factory_Repair_Information

Here is a statement below okay?

Your car is not stock and clearly FOD, further I recommend as professional & free advice, that you conduct and configure your car to perform a qualified comporting repair using the RTFB & SVM or return your car to a proper baked up config with VCDS. Maybe pay attention to your braking more carefully like Uwe aforementioned.


You may want to enter the "tweaks or retrofits section" I'm NOT typically in that area & due to taking issue with it on my own principle values, however, here the questions will be with continuity and continue to be the same, get it?

Inertia change reported by acceleration/deceleration sensor on network?

Did you read about Downhill assist control?

https://procarmanuals.com/vag-ssp-657-audi-q5-type-fy/

https://procarmanuals.com/vag-ssp-433-audi-q5/

fod-control-signs-risk-series.png


I have all the Audi Q5 service manuals, VCDS, SSPs, etc. I have 2 engineering degrees, one in electrical engineering, one in mechanical engineering from Penn State. Spent a lot of time developing automotive electrical products for customers such as, Bosch, VW. BMW, etc. Unfortunately I'm retired or I would have been on the phone with my company's Germany reps, having them find out which Audi/VW ABS system engineer I can talk with. I understand a lot of this ABS. I'm just stumped on why the early ABS activation happens when VCDS is not connected, and early ABS activation doesn't happen when VCDS is connected. I felt this was a good forum to post on seeing that it is the Ross-Tech VCDS run forum. That I just may be lucky to find someone who knows what is turned on/off when VCDS is connected to the ABS controller in diagnostic mode. That information may just not exist here, and most likely no where else on the net. If I can not fix it, I will trade in the Q5 as it is a safety hazard right now. I will tell the dealer that in writing, have him acknowledge the issue and sign a release. I really don't like the quality of the GEN II Q5's and will most likely buy a Jaguar F-Pace if I have to.

For 6.5 years my Q5 did not exhibit early ABS activation with the same minor mods done to it. Those minor mods don't affect the ABS system in any way...………..
 
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Jack@European_Parts

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As an engineer I'm sure you are aware that the ABS systems are not fairing well at NHTSA huh?
Further with those credentials couldn't you just ask your friends at Bosch and ETAS, to let you review the files stack using INCA?
 
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