B8.5 A4 P0016 Correlation Code

   #1  

calandraphoto

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I've had a P0016 code on my B8.5 for about 2 weeks, and I'm trying to rule out what the issue is.

The car runs like normal, and I don't hear any strange sounds. It's not as quick as it used to be, which is probably from the VVT being locked at 28 degrees (found this out in VCDS, maybe the car does this as a "limp mode"?). The car has a hard time starting, but if I clear the P0016 code and start the car, it will crank and start like normal. I've looked at the "Camshaft Deviation from Reference" stat from VCDS and it gives me a different degree each time (ranging from -23 to -3). The same goes for the "Camshaft adaptation intake bank 1" stat. Maybe the camshaft sensor is bad?

I was able to confirm that the crankshaft sensor and camshaft sensors are getting power. I also checked the VVT solenoid and did not find the pin to be sticking out. I changed the oil using Pennzoil 0W-40 about 1k miles ago. Today, I changed the spark plugs and coil packs, which made the car run/idle smoother but the code is still there.

I find it hard to believe that the timing chain is the issue since it runs like normal (besides the locked VVT) and will start like normal if I clear the code first. Any suggestion on what I should check would be greatly appreciated.
 
   #3  

calandraphoto

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Code:
Thursday,15,September,2022,16:05:33:53012
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 22.9.0.0 (x64)  HEX-V2 CB: 0.4623.4
Data version: 20220830 DS341.0
www.Ross-Tech.com


VIN: License Plate:


Chassis Type: FL-AU48 (8R0)
Scan: 01 03 05 08 09 15 16 17 19 36 42 44 46 52 53 56 5F 62 6C 72
        

VIN: Mileage: 168290km-104570miles

01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: OK 0000
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
36-Seat Mem. Drvr -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
53-Parking Brake -- Status: OK 0000
56-Radio -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
6C-Back-up Cam. -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (0-----CAEB)       Labels:. 06H-907-115-CDN.clb
   Part No SW: 8K5 907 115 C    HW: 8K2 907 115 L
   Component: 2.0l R4/4V TF H09 0007 
   Revision: ECH09---    CVN: F70685C3
   Coding: 4A190013242600062000
   Shop #: WSC 15684 002 1048576
   ASAM Dataset: EV_ECM20TFS0118K5907115C 001008
   ROD: EV_ECM20TFS0118K5907115C.rod
   VCID: 323D1759E4A390DB217-8066
   VINID: 9D195859159C2547800C30820C3CFAC9DD

1 Fault Found:
4096 - Bank 1: CMP Sensor (G40) / Engine Speed Sensor (G28)
          P0016 00 [039] - Incorrect Correlation
          Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 168293 km
                    Date: 2022.09.15
                    Time: 16:02:28

                    Engine RPM: 773.00 /min
                    Normed load value: 12.9 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 43 °C
                    Intake air temperature: 37 °C
                    Ambient air pressure: 1000 mbar
                    Voltage terminal 30: 13.428 V
                    Unlearning counter according OBD: 40
                    CAN status - engine control module-Bits 0-7: 0
                    CAN status - transmission control module-Bits 0-7: 0
                    CAN status - brake control module 1-Bits 0-7: 0
                    CAN status - brake control module 2-Bits 0-7: 0
                    selected gear-Bits 0-7: 0

Readiness: 1110 0101

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 8K0-907-379-V1.clb
   Part No SW: 8K0 907 379 CK    HW: 8K0 907 379 CK
   Component: ESP8 quattro  H09 0100 
   Revision: --------    Serial number: --------------
   Coding: 071D18
   Shop #: WSC 02391 785 00200
   VCID: 045181810E17EE6BC3B-8050

No fault code found.

-------------------------------------------------------------------------------
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      H11 0621 
   Revision: 00002001   
   Coding: 0B814000000000000000
   Shop #: WSC 02391 785 00200
   VCID: 00598D911A0FF24BE73-8054

   Subsystem 1 - Part No SW: 8K0 959 754 F    HW: 8K0 959 754 F
   Component: FBSAUDIB8 IDG  H71 0083
   Serial number: 0512000074885006   

   Subsystem 2 - Part No SW: 8K0 905 852 E    HW: 8K0 905 852 E
   Component: J764 ELV MLB  H40 0046
   Serial number: 2312000255427008   

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels:. 8Kx-820-043-3Z.clb
   Part No SW: 8K1 820 043 T    HW: 8K1 820 043 T
   Component: KLIMA 3 ZONEN H04 0121 
   Revision: C1000000    Serial number: 01201120120401
   Coding: 6400208000
   Shop #: WSC 02391 785 00200
   VCID: 392F207539556383E0D-806C

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 8K0-907-063.clb
   Part No SW: 8K0 907 063 DH    HW: 8K0 907 063 DH
   Component: BCM1 1.0      H16 0103 
   Revision: 08016001    Serial number: 00000513927502
   Coding: 26000015863CAF800000480300003D0D0F1C1208A2090221000008000000030100000030000000
   Shop #: WSC 02391 785 00200
   VCID: 78A9E57142DFBA8BDF3-802C

   Subsystem 1 - Part No SW: 8K1 955 119 A    HW: 8T1 955 119   Labels: 1KX-955-119.CLB
   Component: WWS 201112  H07 0080
   Serial number: SWF12110205212     
   Coding: 00F511

   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: 20754549           
   Coding: 02005D

   Subsystem 3 - Part No SW: 8K0 941 531 AS    HW: 8K0 941 531 AS
   Component: E1 - LDS  H03 0031
   Serial number: 00000000001311124106

   Subsystem 4 - Part No SW: 4G0 907 410 A    HW: 4H0 907 410 A
   Component: USHL4.2  H30 0030
   Serial number: 0000002274555R3X6L02

   Subsystem 5 - Part No SW: 4H0 907 658     HW: 4H0 907 658
   Component: AQ_Hum_Sensor  H03 0003
   Serial number: 8C084B56000000000001

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 8K0-959-655.clb
   Part No SW: 8K0 959 655 P    HW: 8K0 959 655 P
   Component: AirbagVW-AU10 H45 0610 
   Serial number: 003KJD913WX4 
   Coding: 303844354730303030304A55304C384B3053
   Shop #: WSC 57894 001 1048576
   ASAM Dataset: EV_AirbaECUVWAUDI010 003010
   ROD: EV_AirbaECUVWAUDI010_003_AU48.rod
   VCID: 4ACD6FB96C33F81B797-801E

   Seat occupied recognition:
   Subsystem 1 - Part No SW: 8K0 959 339 C    HW: 8K0 959 339 C
   Component: BF-Gewichtss.  H02 0040
   Serial number: 5810000R120000BZA6

   Crash sensor for side airbag: driver side:
   Serial number: 6334MSME73042123

   Front Passenger's Side Airbag Crash Sensor:
   Serial number: 6344MSME75204E5AL

   Rear Side Airbag Crash Sensor (on driver's side):
   Serial number: 6352QSME63240F48J

   Passenger side rear thorax airbag crash sensor:
   Serial number: 6362QSME332321765

   Crash sensor for front airbag: driver side:
   Serial number: 63732SME78262648%

   Crash sensor for front airbag: front passenger side:
   Serial number: 63832SME4C262E5EG

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J527)       Labels:. 8K0-953-568.clb
   Part No SW: 8K0 953 568 L    HW: 8K0 953 568 L
   Component: Lenks.Modul   H03 0005 
   Revision: --------    Serial number: 90372LKJ001NG
   Coding: 000016
   Shop #: WSC 02391 785 00200
   VCID: 43D3429D4B992953BA1-8016

   Component: E221 - MFL  H03 0004

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:. 8T0-920-xxx-17.clb
   Part No SW: 8K0 920 982 D    HW: 8K0 920 982 D
   Component: KOMBIINSTR.   H35 0556 
   Revision: 00000000    Serial number: UVN42KFCD     
   Coding: 8BBC09000301D705020000
   Shop #: WSC 02391 785 00200
   VCID: 35372C45154D87E3045-8060

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 8T0-907-468.clb
   Part No SW: 8R0 907 468 N    HW: 8R0 907 468 C
   Component: GW-BEM 4CAN-M H11 0055 
   Revision: 1Y060027    Serial number: 2741Y12B1480A2
   Coding: 80C303FF00
   Shop #: WSC 02391 785 00200
   VCID: 4ACD6FB96CB3F81B797-801E

   Subsystem 1 - Part No SW: 8T0 915 181     HW: 8T0 915 181
   Component: J367-BDMHella  H03 8041
   Serial number: 8644678501         

No fault code found.

-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr (J136)       Labels:. 8T0-959-760.clb
   Part No SW: 8K0 959 760 D    HW: 8K0 959 760 D
   Component: MEM-FS        H06 0076 
   Revision: AA000000    Serial number: 00000044063265
   Coding: 00581300000000000000
   Shop #: WSC 02391 785 00200
   VCID: 3B233A7D33695193F21-806E

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:. 8K0-959-793.clb
   Part No SW: 8T0 959 793 P    HW: 8T0 959 793 G
   Component: TSG FA        H09 0304 
   Revision: --------    Serial number: --------------
   Coding: 011C03204E00410001
   Shop #: WSC 02391 785 00200
   VCID: 56F58BC9A80BACFBEDF-8002

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist (J500)       Labels:| 8K0-909-144.clb
   Part No SW: 8K0 909 144 F    HW: 8K0 909 144 B
   Component: RCEPS         H37 0507 
   Revision: 00001000    Serial number: 0005025571
   Coding: 100000000001
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_RCEPSAU48X 008014
   ROD: EV_RCEPSAU48X_008.rod
   VCID: 343111411EB79EEB33B-8060

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      H11 0621 
   Revision: 00002001    Serial number: 0188152854   
   Coding: 0106023A00FA404480B0013200000000
   Shop #: WSC 02391 785 00200
   VCID: 00598D911A0FF24BE73-8054

   Subsystem 1 - Part No SW: 8K0 959 719 B    HW: 8K0 959 719
   Component: GTO BF  H01 0080
   Serial number: 00000000000000607388

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

   Subsystem 3 - Part No SW: 8K0 959 591 B    HW: 8K0 959 591
   Component: J245 PS050  H08 0043

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:. 8K0-959-792.clb
   Part No SW: 8T0 959 792 P    HW: 8T0 959 792 G
   Component: TSG BF        H09 0304 
   Revision: --------    Serial number: --------------
   Coding: 011C03204E00410001
   Shop #: WSC 02391 785 00200
   VCID: 55F78CC5B50DA7E3E45-8000

No fault code found.

-------------------------------------------------------------------------------
Address 53: Parking Brake (----)       Labels: 8K0-907-801-V2.clb
   Part No SW: 8K0 907 801 L    HW: 8K0 907 801 J
   Component: EPB-4         H01 0003 
   Revision: --------    Serial number: 10000000130858
   ASAM Dataset: EV_ParkiBrake 001027
   ROD: EV_ParkiBrake_AU48.rod
   VCID: 3829257102DF7A8B1F3-806C

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (R)       Labels:. 4F0-035-0xx-56.clb
   Part No SW: 4G0 035 082 G    HW: 4G0 035 082
   Component: Radio U SIRIU H60 0133 
   Revision: AB001007    Serial number: 156KD0C7668819
   Coding: 020007020100000001
   Shop #: WSC 02391 785 00200
   VCID: 2411E101AED70E6BA3B-8070

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:. 4E0-035-6xx-5F.clb
   Part No SW: 8R1 035 746 C    HW: 8R1 035 746 B
   Component: H-BNT-NA      H44 0624 
   Revision: --------    Serial number: 204KB0H7578494
   Coding: 0F0200000006A1EF41028B4E00000403140000000000000000
   Shop #: WSC 24113 003 1048576
   VCID: 372B264D0F4175F3169-8062

   Subsystem 1 - Part No: 8R0 060 884 BA
   Component: NAR 2013  0703

   Subsystem 2 - Part No SW: 8R0 919 604     HW: 8R0 919 604
   Component: DU7 High  H41 0104
   Serial number: A130K30C2589667     

   Subsystem 3 - Part No SW: 8T0 919 611 K    HW: 8T0 919 611 B
   Component: E0380 Bedient  H02 0030
   Serial number: 00000001333242     

   Subsystem 4 - Part No: 8R0 060 961 E
   Component: CD-Database  4949

No fault code found.

-------------------------------------------------------------------------------
Address 62: Door, Rear Left (J388)       Labels:. 8K0-959-795.clb
   Part No SW: 8T0 959 795 Q    HW: 8T0 959 795 H
   Component: TSG HL        H07 0304 
   Revision: --------    Serial number: --------------
   Coding: 010C03204000210001
   Shop #: WSC 02391 785 00200
   VCID: 59EF80F5D9158383C0D-800C

No fault code found.

-------------------------------------------------------------------------------
Address 6C: Back-up Cam.        Labels: 8T0-907-441.clb
   Part No SW: 8T0 907 441 C    HW: 4L0 907 441 B
   Component: J772__Rearview      0040 
   Revision: --H07---    Serial number: 525PA8-J2X92VQ
   Coding: 1000006
   Shop #: WSC 02391 785 00200
   VCID: 382925710E5F7A8B1F3-806C

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right (J389)       Labels:. 8K0-959-794.clb
   Part No SW: 8T0 959 795 Q    HW: 8T0 959 795 H
   Component: TSG HR        H07 0304 
   Revision: --------    Serial number: --------------
   Coding: 010C03204000210001
   Shop #: WSC 02391 785 00200
   VCID: 59EF80F5D9158383C0D-800C

No fault code found.

End----------(Elapsed Time: 01:47, VBatt start/end: 13.6V/14.3V)-----------
 
   #6  

ka_rai

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what you mean saying "Your cam timing is out" ?

is sensor or phase shift pulley
any shematic maybe is better
 
   #7  

Crasher

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The Cam G40 and crank G28 sensors are sending out a signal and the ECU can see these are not occurring in sync so the cam timing is out, the CAEB suffers terrible problems with chain wear and jumping especially pre 2012.
 
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   #8  

DrPeter

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Hello,

Yep, check timing, plus 100,000 miles, it is time.

Given the high rate of failure, I think Volkswagen and Audi should have a "recommend timing chain/tensioner replacement" as part of the maintenance schedule, say every 80~100k miles. :p

You can check the timing chain wear by following the procedure here...




Also you can remove the little plastic/rubber cap on the front engine cover to view the chain tensioner..



Do not ignore this warning! Catastrophic engine failure can and will occur!

EDIT: We do have a Ross-Tech wiki page you will also want the have a look at:




Hope this helps,


drpeter
 
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   #9  

calandraphoto

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Yep it helped, thanks for the help. I ended up doing the timing chain and balance shaft, and the chain had indeed jump timing. The chain was also stretched out. Been a month since I did the job and no issues since then
 
   #10  

tibcab

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Sorry for barging into your thread, I can of course create my own if needed but I figured I'd just ask here :
I have the same code on my 2009 Q5 2.0 TFSI (CDNC engine). The previous tensioned failed, skipped timing, 16 bent valves and so on.
I had the head re-done by a specialist and put it together a few days ago. Timing was done using the proper tools, the engine ran great at first.
Couple of days later, it sometimes had a very rough idle, and after doing a fault scan I only had this P0016 code.
I re-checked timing using a comparator in cylinder 1 (to rule out any misaligment of the damper pulley) and the timing is spot on.

What else could trigger this code ? A faulty camshaft or crankshaft sensor ?
I plan on taking the spool valve out and check its internal condition, from outside and based on this very thorough wiki page, it seems OK.

I can of course post an auto-scan if needed, thanks a lot!
 
   #11  

Crasher

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To me P0016 can only be the result of incorrect timing.
 
   #12  

tibcab

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I am also of this opinion, but the problem is : I have 63mm between the center lip and the intake camshaft timing mark and 125mm between exhaust and intake camshaft timing marks when piston #1 is at TDC...
What really annoys me is that the engine sometimes runs like crap (mainly at idle), and other times runs smoothly. I am pissed off at myself for not checking the spool valve thoroughly before putting it back in.
Another addition : the screen in the valve brige was removed before I reinstalled it, it was damaged as expected and the mesh leftovers were found in the cylinder head and obviously removed (the head went into the washing machine at the machine shop).
 
   #13  

Crasher

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Have you had the inlet manifold off to check for carbon on the backs of the inlet valves?
 
   #14  

tibcab

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Well the head has been completely redone with brand new valves and stem seals.
It looked like that before I put it back in :

PXL-20220916-202441874.jpg


PXL-20220918-160131456.jpg
 
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   #15  

Crasher

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Nice quality work. I have to keep coming back to timing.
 
   #16  

Indorile

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I've had that issue and it went out with new timing chain and guides. But cam phasing was still high -2.x degrees which it shouldn't be for a new chain. Good used camshafts later and everything was fine (phasing went to low -0.x).
 
   #17  

Crasher

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Have you reset the chain length adaptations?
 
   #18  

tibcab

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Thanks for your replies.
Cam phasing is in the 0.x range so I do not know it the adjuster can be the culprit here... At idle though the cam adjuster specified value remains at 28°, the actual is also around 28°.

@Crasher , what do you mean by "chain length adaptations" ? I performed basic settings in the engine ECU after the whole repair, unfortunately not with VCDS for what it's worth. Is that what you meant ?

I checked the condition of the spool valve, it is in perfect condition. No debris inside, moves completely freely.
 
   #19  

Crasher

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In the Baic Settings on some versions I have seen a chain wear adaption reset after replacement but not all have it.
 
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