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post #1 of 7 Old 03-30-2019 Thread Starter
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epc/cruise/check engine

hey everyone, new touareg owner here and first time poster, have used this site already for lots of help.
i have a 2013 v6 gas highline, i love it but shortly after buying its got some issues. while driving all of a sudden epc light came on cruise control light and check engine light. it went into limp mode as well.
after some digging the previous owner neglected to tell me they brought it in to the dealer for similar issues only weeks before i bought it. " he couldn't find the service records at the time of purchase but would get them to me once found "..
i have a vag com, i scanned it. yes i should have scanned before i bought it lesson learned

from what the previous maintenance i got from the dealer they have already replaced the throttle control valve which i guess they thought what the issue. and i have just recently replaced the brake switch as that was the most likely culprit of the epc and cruise BUT after 2 days those lights have reappeard

the lights on the dash are very intermittent, they come and go almost every other drive or for driving longer than 30 minutes. I'm leading towards some issue with wiring now, maybe a ground issue or potential short in some wiring? not sure where to continue next

any help would be much appreciated


Address 01: Engine (J623-CGRA) Labels:. 03H-907-309-V1.clb
Part No SW: 03H 906 023 BC HW: 03H 907 309 E
Component: 3,6 FSI ULEV H16 3947
Revision: M7H16---
Coding: 002A0012433600000000
Shop #: WSC 31414 790 00001
ASAM Dataset: EV_ECM36FSI01103H906023BC 002002
ROD: EV_ECM36FSI01103H906023BC.rod
VCID: 64CC43A56F413D6A59-8030

2 Faults Found:
2669 - Throttle Position Sensor (G69)
P0123 00 [237] - Signal too High
MIL ON - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 2
Mileage: 110346 km
Date: 2019.03.08
Time: 22:24:55

Engine speed: 1350.00 /min
Normed load value: 56.9 %
Vehicle speed: 74 km/h
Coolant temperature: 89 C
Intake air temperature: -9 C
Ambient air pressure: 990 mbar
Voltage terminal 30: 14.960 V
Unlearning counter according OBD: 40
Height correction: 0.98529
Accelerator pedal: sensor voltage 1: 1543.2 mV
Accelerator pedal: sensor voltage 2: 777.6 mV
Adapt of angle sensor 1 f throttle valve: 0.494 V
Adapt of angle sensor 2 f throttle valve: 4.501 V

2748 - Throttle Valve Controller
P1545 00 [096] - Malfunction
Intermittent - Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Mileage: 110329 km
Date: 2019.03.08
Time: 21:59:08

Engine speed: 1508.50 /min
Normed load value: 36.1 %
Vehicle speed: 83 km/h
Coolant temperature: 89 C
Intake air temperature: 0 C
Ambient air pressure: 990 mbar
Voltage terminal 30: 14.842 V
Unlearning counter according OBD: 40
Height correction: 0.98657
Accelerator pedal: sensor voltage 1: 1799.6 mV
Accelerator pedal: sensor voltage 2: 912.0 mV
Adapt of angle sensor 1 f throttle valve: 0.494 V
Adapt of angle sensor 2 f throttle valve: 4.501 V

Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 02: Auto Trans (J217) Labels 0C8-927-750.clb
Part No SW: 0C8 927 750 BC HW: 0C8 927 750 BC
Component: AL1000 AISIN 001 2264
Serial number:
Coding: 001368
Shop #: WSC 43874 002 1048576
ASAM Dataset: EV_TCMAL991031 002114
ROD: EV_TCMAL991031_002.rod
VCID: 6ED8218DB18D873A3F-803A

1 Fault Found:
12827 - Implausible Data Received from Engine Control Module
U0401 00 [009] - -
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Reset counter: 201

Engine speed: 1500.0 /min
Transmission input speed: 1500 /min
Transmission output speed: 2220 /min
Engine torque: 72 Nm
Transmission fluid temperature: 66 C
Accelerator position: 49.2 %
Clutch_C1: Open
Clutch_C2: closed
Clutch_C3: Open
Clutch_C4: Open
Clutch_B1: Open
Clutch_B2: Open
Lock Up Clutch: closed
EOP target revolution: 65534 /min
EOP actual revolution: 65279 /min
Engine Speed signal Current: 65279 /min
EOP failure status with EOP without HV 1: Motor normal stop
EOP target current: 65278 mA


-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104) Labels:* 7P0-907-379.clb
Part No SW: 7P0 907 379 M HW: 7P0 907 379 A
Component: MK25A H36 0436
Revision: -------- Serial number: 427620010EC815
Coding: 5B7613C34924255BDAFBC89792D4A4407300
Shop #: WSC 31414 790 00001
ASAM Dataset: EV_MK25AXT 008001
ROD: EV_ESPMK25A00800.rod
VCID: 4796B429FEB776725C-8012

1 Fault Found:
336397 - Databus
U1123 00 [009] - Received Error Message
[New feature! Extended UDS fault detail is only supported by current gen. interfaces]
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Reset counter: 20
Mileage: 110329 km
Date: 2019.03.08
Time: 21:59:09

Standard Freeze Frame Dynamic: 00 49 20 63 00 00 00 00 01 00 01 20 01


-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J393) Labels:. 8K0-907-064-05.clb
Part No SW: 4H0 907 064 CK HW: 4H0 907 064 CK
Component: BCM2 2.0 H32 0421
Revision: 00002001
Coding: 0D860016000000000000
Shop #: WSC 31414 790 00001
VCID: 74EC33E5D7A1ADEAC9-8020

Subsystem 1 - Part No SW: 4H0 905 852 B HW: 4H0 905 852 B
Component: J764 ELV MLB H40 0046
Serial number: 2312000188492001

1 Fault Found:
00956 - Key 2
002 - Lower Limit Exceeded
Freeze Frame:
Fault Status: 01100010
Fault Priority: 3
Fault Frequency: 2
Reset counter: 14
Mileage: 107868 km
Time Indication: 0
Date: 2019.01.18
Time: 21:54:17


-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255) Labels 7P6-907-040.clb
Part No SW: 7P6 907 040 BK HW: 7P6 907 040 BK
Component: Klima 2 Zonen H20 1305
Coding: 4686000A80
Shop #: WSC 31414 790 00001
ASAM Dataset: EV_AirCondiFront 004001
ROD: EV_AirCondiFront_VW52.rod
VCID: 7EF811CDE1EDF7BAAF-802A

2 Faults Found:
0243 - Function Restriction due to Faults in Other Modules
U1113 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 120
Reset counter: 60
Mileage: 107497 km
Date: 2019.01.09
Time: 22:17:18

0373 - Function Restriction due to Faults in Other Modules
U1113 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 56
Mileage: 110198 km
Date: 2019.03.06
Time: 08:26:32
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post #2 of 7 Old 03-30-2019
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I got the same thing going with my 2013 v6 lux. I bought it last year and been dealing with this issue for almost a year as I speak mines in the shop getting the ECU replaced in the gas pedal 3 grand for the work at my local dealership and I’m praying this fix my issue. Make a long story short it stayed at the dealership were I bought the car for about 3 and half months getting the throttle body and harness replaced. And like yours it would come on at different times never a pattern and the same code 2221
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post #3 of 7 Old 03-31-2019 Thread Starter
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yea the intermittent part is whats throwing me off, if lights come on i can park it let it sit overnight and when i go to turn it on the next morning the lights are gone
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post #4 of 7 Old 03-31-2019
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The same thing!!!! With mine. I will update you if I get the problem corrected. I have had almost everything wiring replaced included the whole harness. I thought it was fix after that, but it wasn’t. I drove it about a month and a half it was fine I got it detailed and two days after bam!!! Epc Cruise control light and engine light the same problem over again and the first dealership service manager said we replaced everything but the ecu. Sadly I love the way this car drives and handle. I finally decided to take it to my local dealership that’s when they said I had a bad ecu and the gas pedal needs to be replaced. I’m in the far so I hope this fix issue. I should have it back at the end of this week are the first of next week.
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post #5 of 7 Old 03-31-2019 Thread Starter
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ok so trying to track this thing down..

i tried to do throttle adaptation test. it does the test and says "system not ok" so obviously i have a throttle body issue. my throttle control valve was recently replaced.

my throttle signal is to high based on my scan.

so from my pedal to the ecu, or my ecu to throttle body something is not working?
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post #6 of 7 Old 04-17-2019
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Did you find what your problem was? Mine still in the shop. The ecu finally came in on Monday after 4 weeks waiting hopefully I will get mine back soon. I was just checking on yours. If you don’t mind
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post #7 of 7 Old 04-23-2019
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Finally got my Touareg back today from the dealership. Got the ecu replace and gas pedal replaced also and repinned and they had to redo some wringing connection and software update. So far so good.
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