ABS/ESP light on Following Fuel Pump Replacement

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   #1  

sobyx1

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Hello, I just replaced my '02 Allroad Fuel Pump after having issues with it turning over. It worked, but immediately the ABS and ESP light turned on along with the check engine light. (Brake signal light is normal). Prior to the fuel pump replacement, the ABS/ESP lights had never been on before.

Other than the Fuel pump, I also replaced the fuel pump relay and replaced a blown out SAP fuse in the E-box, and one odd thing observed was that while I restored power to the fuel pump, the passenger seat completely laid itself flat.

So now my VAG comes back with "No Response from Controller" on module 03 ABS Brakes and my current reading is attached below (I was told I need a catalytic converter by the Audi dealership on my last visit with them when diagnosing the fuel pump, but Audi never mentioned an ABS issue looming then). But on prior VAG readings not sure before or immediately after the fuel pump, I was getting a 18265 Load Signal error on both 02 Trans and 03 ABS. Since then I suppose ABS is not connecting at all.

I have checked fuses but have not checked wires to ABS unit yet. Any ideas would be helpful and appreciated.

Code:
Sunday,04,June,2017,19:42:12:48188
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x86
VCDS Version: 17.1.3.0
Data version: 20170320 DS267.7
Ross-Tech: Home


VIN: WA1YD64B72N070505 License Plate: 
Mileage: 167480 Repair Order: 

--------------------------------------------------------------------------------
--------------------------------------------------------------------------------

Chassis Type: 4B (4B - Audi A6/S6/RS6/allroad C5 (1998 > 2005))
Scan: 01 02 03 06 08 15 16 17 18 22 34 35 36 37 45 55 56 57 65 67
75 76 77


-------------------------------------------------------------------------------
Address 01: Engine Labels: 078-907-551-AZA.lbl
Part No: 4Z7 907 551 M
Component: 2.7l V6/5VT G 0001 
Coding: 06752
Shop #: WSC 02325 
VCID: 4D9F6730876D222952-515A
WA1YD64B72N070505 AUZ7Z0A1963217

18 Faults Found:
17833 - EVAP Purge Valve (N80) 
P1425 - 35-10 - Short to Ground - Intermittent
17880 - EVAP Leak Detection Pump 
P1472 - 35-10 - Short to Ground - Intermittent
17843 - Secondary Air Pump Relay (J299) 
P1435 - 35-10 - Short to Ground - Intermittent
17938 - Camshaft Timing Adjustment 
P1530 - 35-10 - Short to Ground - Intermittent
17829 - Secondary Air Injection Solenoid Valve (N112) 
P1421 - 35-10 - Short to Ground - Intermittent
17955 - Boost Pressure Regulation Valve (N75) 
P1547 - 35-10 - Short to Ground - Intermittent
17697 - Boost Pressure Control Valve (N249) 
P1289 - 35-10 - Short to Ground - Intermittent
17529 - Oxygen (Lambda) Sensor Heating Circuit: B2 S2 
P1121 - 35-10 - Short to Ground - Intermittent
17525 - Oxygen (Lambda) Sensor Heating Circuit: B1 S2 
P1117 - 35-10 - Short to Ground - Intermittent
17861 - Exhaust Gas Temp Sensor 1 (G235) 
P1453 - 35-10 - Open or Short to Plus - Intermittent
17865 - Exhaust Gas Temp Sensor 2 (G236) 
P1457 - 35-10 - Open or Short to Plus - Intermittent
16486 - Mass Air Flow Sensor (G70) 
P0102 - 35-10 - Signal too Low - Intermittent
17523 - Oxygen (Lambda) Sensor Heating: B1 S1 
P1115 - 35-00 - Short to Ground
17527 - Oxygen (Lambda) Sensor Heating Circuit: B2 S1 
P1119 - 35-00 - Short to Ground
17522 - Oxygen (Lambda) Sensor; B1 S2 
P1114 - 35-00 - Internal Resistance too High
17548 - Oxygen (Lambda) Sensor; B2 S2 
P1140 - 35-00 - Internal Resistance too High
16518 - Oxygen (Lambda) Sensor B1 S1 
P0134 - 35-00 - No Activity
16538 - Oxygen (Lambda) Sensor B2 S1 
P0154 - 35-00 - No Activity
Readiness: 0010 1101

-------------------------------------------------------------------------------
Address 06: Seat Mem. Pass Labels: None
Part No: 4B0 959 760 C
Component: Sitzmemory R1 BF 0102 
Coding: 00003
Shop #: WSC 00000 
VCID: 2D5F07B0E7AD022972-4B18

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC Labels: 4B0-820-043-MY2.lbl
Part No: 4B0 820 043 AD
Component: A6-Klimavollautomat 0105 
Coding: 00010
Shop #: WSC 02325 
VCID: 5CB99A74CC97BBA1D5-258C

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags Labels: 4B0-959-655-AI84.lbl
Part No: 4Z7 959 655 E
Component: Airbag 8.4E 3000 
Coding: 0000307
Shop #: WSC 02335 785 00200
VCID: 51A77B40CB5506C936-5178

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel Labels: 4B0-907-487.lbl
Part No: 4B0 907 487 J
Component: Lenkradelektronik D01 
Coding: 01012
Shop #: WSC 02325 
VCID: 336B11C8018954D924-522A

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments Labels: 4B0-920-xxx-17.lbl
Part No: 4B0 920 981 P
Component: KOMBI+WEGFAHRS. VDO D09 
Coding: 06264
Shop #: WSC 02325 
VCID: 336B11C8018954D924-515A
WA1YD64B72N070505 AUZ7Z0A1963217

No fault code found.

-------------------------------------------------------------------------------
Address 34: Level Control Labels: 4Z7-907-553.lbl
Part No: 4Z7 907 553 E
Component: - 2C1A1 D040 
Coding: 25500
Shop #: WSC 09999 
VCID: 479355186511C87968-515A

No fault code found.

-------------------------------------------------------------------------------
Address 35: Centr. Locks Labels: 4B0-962-258.lbl
Part No: 4B0 962 258 J
Component: Central Lock/Alarm D35 
Coding: 15885
Shop #: WSC 02325 
VCID: 30611EC4F09F6FC159-4F02

2 Faults Found:
01370 - Alarm triggered by Interior Monitoring 
35-00 - - 
01561 - Rear left door 
59-00 - Can't Unlock

-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr Labels: None
Part No: 4B0 959 760 B
Component: Sitzmemory R1 F 0102 
Coding: 00001
Shop #: WSC 00000 
VCID: 2C590AB4DCB70B2165-4B18

No fault code found.

-------------------------------------------------------------------------------
Address 45: Inter. Monitor Labels: 4B0-951-178.lbl
Part No: 4B0 951 178 A
Component: Innenraumueberw. D04 
Coding: 00102
Shop #: WSC 02325 
VCID: 264DF89CC25B3171B3-5196

2 Faults Found:
01349 - Alarm via Theft Warning System; Front 
35-00 - - 
01350 - Alarm via Theft Warning System; Rear 
35-00 - - 

-------------------------------------------------------------------------------
Address 55: Headlight Range Labels: 4Z7-907-357.lbl
Part No: 4Z7 907 357 
Component: dynamische LWR D06 
Coding: 00030
Shop #: WSC 02325 
VCID: 0409821414A72361CD-4B64

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio Labels: 8E0-035-1xx-56.lbl
Part No: 4B0 035 195 J
Component: symphony II NP2 0008 
Coding: 00201
Shop #: WSC 00000 
VCID: 2753F598C551287988-4ECA

No fault code found.

-------------------------------------------------------------------------------
Address 65: Tire Pressure Labels: 4D0-907-273.lbl
Part No: 4D0 907 273 A
Component: Reifendruckueberw. D110 
Coding: 22307
Shop #: WSC 02325 
VCID: 254FFF90BF5D3A69BA-5178

1 Fault Found:
01477 - System Switched Off 
35-00 - - 

-------------------------------------------------------------------------------
Address 76: Park Assist Labels: 8Z0-919-283.lbl
Part No: 8Z0 919 283 
Component: Parkingsyst. A6 RDW D08 
Coding: 01186
Shop #: WSC 02325 
VCID: 0205840C0EB32D51FF-515A

No fault code found.
 
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   #2  

Uwe

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Clear engine faults please and see what comes back after an engine start. That may shed some light as to where power is missing, 'cause I think it's missing somewhere.

-Uwe-
 
   #3  

sobyx1

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Will do as suggested and post results as soon as I can. I am hoping maybe a relay or other simple component is just fried as I do not always disconnect the battery for all procedures.
 
   #4  

sobyx1

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Hi, this is what I now get after clearing. (The level errors I've had since getting rid of the air suspension system) Immediately the ABS and ESP lights came back on when I started the car.

Code:
Tuesday,06,June,2017,22:31:00:48188
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x86
VCDS Version: 17.1.3.0
Data version: 20170320 DS267.7
www.Ross-Tech.com


VIN: WA1YD64B72N070505   License Plate: SST22V
Mileage: 167520   Repair Order: 



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: 4B (4B - Audi A6/S6/RS6/allroad C5 (1998 > 2005))
Scan: 01 02 03 06 08 15 16 17 18 22 34 35 36 37 45 55 56 57 65 67
          75 76 77
 
VIN: WA1YD64B72N070505   
-------------------------------------------------------------------------------
Address 01: Engine        Labels: 078-907-551-AZA.lbl
   Part No: 4Z7 907 551 M
   Component: 2.7l V6/5VT     G   0001  
   Coding: 06752
   Shop #: WSC 02325  
   VCID: 4D9F6730876D222952-5178
   WA1YD64B72N070505     AUZ7Z0A1963217

No fault code found.
Readiness: 0110 1101

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 01V-927-156.lbl
   Part No: 4Z7 927 156 F
   Component: AG5 01V 2.7l5VT USA 1818  
   Coding: 01002
   Shop #: WSC 02325  
   VCID: 4997532073053E097E-5178

No fault code found.

-------------------------------------------------------------------------------
Address 06: Seat Mem. Pass        Labels: None
   Part No: 4B0 959 760 C
   Component: Sitzmemory R1 BF    0102  
   Coding: 00003
   Shop #: WSC 00000  
   VCID: 2D5F07B0E7AD022972-4B32

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 4B0-820-043-MY2.lbl
   Part No: 4B0 820 043 AD
   Component: A6-Klimavollautomat 0105  
   Coding: 00010
   Shop #: WSC 02325  
   VCID: 5CB99A74CC97BBA1D5-2592

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 4B0-959-655-AI84.lbl
   Part No: 4Z7 959 655 E
   Component: Airbag 8.4E         3000  
   Coding: 0000307
   Shop #: WSC 02335 785 00200
   VCID: 51A77B40CB5506C936-5178

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 4B0-907-487.lbl
   Part No: 4B0 907 487 J
   Component: Lenkradelektronik   D01   
   Coding: 01012
   Shop #: WSC 02325  
   VCID: 336B11C8018954D924-522A

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 4B0-920-xxx-17.lbl
   Part No: 4B0 920 981 P
   Component: KOMBI+WEGFAHRS. VDO D09  
   Coding: 06264
   Shop #: WSC 02325  
   VCID: 336B11C8018954D924-5178
   WA1YD64B72N070505     AUZ7Z0A1963217

No fault code found.

-------------------------------------------------------------------------------
Address 34: Level Control        Labels: 4Z7-907-553.lbl
   Part No: 4Z7 907 553 E
   Component:  - 2C1A1          D040    
   Coding: 25500
   Shop #: WSC 09999  
   VCID: 479355186511C87968-515A

4 Faults Found:
01772 - Signal from Level Control Pressure Sensor (G291) 
            31-00 - Open or Short to Ground
00807 - Suspension Strut Valve; Rear Left (N150) 
            31-00 - Open or Short to Ground
00808 - Suspension Strut Valve; Rear Right (N151) 
            31-00 - Open or Short to Ground
01773 - Level Control Accumulator Valve (N311) 
            31-00 - Open or Short to Ground

-------------------------------------------------------------------------------
Address 35: Centr. Locks        Labels: 4B0-962-258.lbl
   Part No: 4B0 962 258 J
   Component: Central Lock/Alarm  D35  
   Coding: 15885
   Shop #: WSC 02325  
   VCID: 30611EC4F09F6FC159-4F02

No fault code found.

-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr        Labels: None
   Part No: 4B0 959 760 B
   Component: Sitzmemory R1 F     0102  
   Coding: 00001
   Shop #: WSC 00000  
   VCID: 2C590AB4DCB70B2165-4B32

No fault code found.

-------------------------------------------------------------------------------
Address 45: Inter. Monitor        Labels: 4B0-951-178.lbl
   Part No: 4B0 951 178 A
   Component: Innenraumueberw.    D04  
   Coding: 00102
   Shop #: WSC 02325  
   VCID: 264DF89CC25B3171B3-5196

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range        Labels: 4Z7-907-357.lbl
   Part No: 4Z7 907 357 
   Component: dynamische LWR       D06  
   Coding: 00030
   Shop #: WSC 02325  
   VCID: 0409821414A72361CD-4B64

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio        Labels: 8E0-035-1xx-56.lbl
   Part No: 4B0 035 195 J
   Component: symphony II NP2    0008   
   Coding: 00201
   Shop #: WSC 00000  
   VCID: 2753F598C551287988-4ECA

No fault code found.

-------------------------------------------------------------------------------
Address 65: Tire Pressure        Labels: 4D0-907-273.lbl
   Part No: 4D0 907 273 A
   Component: Reifendruckueberw.  D110   
   Coding: 22307
   Shop #: WSC 02325  
   VCID: 254FFF90BF5D3A69BA-515A

No fault code found.

-------------------------------------------------------------------------------
Address 76: Park Assist        Labels: 8Z0-919-283.lbl
   Part No: 8Z0 919 283 
   Component: Parkingsyst. A6 RDW D08  
   Coding: 01186
   Shop #: WSC 02325  
   VCID: 0205840C0EB32D51FF-515A

No fault code found.

End-------------------------(Elapsed Time: 05:05)--------------------------
 
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   #5  

Uwe

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Well, your 03-ABS module is still MIA, but since the ECU is no longer complaining about missing power, I'd say focus on the tracks exclusive to it.

-Uwe-
 
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Jef

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   #7  

sobyx1

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Thanks, will check on this.
 
   #8  

sobyx1

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Go into 01-08-125 and verify ABS (brake) is "1".
http://forums.ross-tech.com/showthread.php?3147-What-is-Jack-talking-about-0x01-08-000

If the ABS is "1", then the ABS is online and talking to control modules.

If the ABS is "1", then the module is online but the "electrical path" for diagnosis (a scan tool) is questionable. This could be a wiring issue or some odd internal failure of the ABS itself.

Well It seems ABS is online. So a wiring issue, could be a a relay /fuse /corroded wire? In additiona, I cleared the faults in control 01 and then went back to control 03 again and managed to see the fault codes there
18265 - Load Signal P1857 - 35-00 - Error Message from ECU, so I was not kicked out from ABS controller window immediately as I expected to see No response from controller.

Thanks, LM

VCDS Version: 17.1.3.0
Data version: 20170320 DS267.7
www.Ross-Tech.com

VIN: License Plate: SST22V

Address 01: Engine (4Z7 907 551 M)

20:38:00 Group 125: CAN-Databus Communication (Powertrain)
Transm. 1 Transmission
ABS 1 Brake Electronics (J104)
Instruments 1 Instrument Cluster (J285)
Bin. Bits

tWednesday,07,June,2017,20:53:42:48188
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x86
VCDS Version: 17.1.3.0
Data version: 20170320 DS267.7
www.Ross-Tech.com


VIN: License Plate: ABS


Address 03: ABS Brakes Labels: 8D0-907-389.lbl
Control Module Part Number: 4Z7 907 389
Component and/or Version: ABS/ESP allrad D57
Software Coding: 06397
Work Shop Code: WSC 08265
VCID: 0917932033857E09BE-5178
1 Fault Found:

18265 - Load Signal
P1857 - 35-00 - Error Message from ECU
 
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   #9  

Uwe

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Those Bosch 5.3 modules are somewhat infamous for failing, initially in an intermittent way...

-Uwe-
 
   #10  

Jef

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Well It seems ABS is online. So a wiring issue, could be a a relay /fuse /corroded wire?

I would make sure the "K Line" from the OBDII port to the ABS module ohm test to factory design:

T16/7 to /46 of ABS, 0.35mm² green/black

I would expect it to ohm test around 0.2Ω, pretty much a dead short. If so, then it would seem the issue is with the ABS module itself. If open circuit or resistance greater than 1.5Ω, repair wire.

18265 - Load Signal
P1857 - 35-00 - Error Message from ECU

This tends to be some sort of MAF issue.
 
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Jack@European_Parts

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   #12  

sobyx1

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Well I bought a new ABS module but will make additional double checks as suggested before replacing the unit. Thanks everyone.:thanks:
 
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