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Car just died at idle last night. 16 codes. Any ideas where to look for my electrical gremlin.

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Old 04-05-2008, 05:28 AM
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Default Car just died at idle last night. 16 codes. Any ideas where to look for my electrical gremlin.
16 Faults Found:

17833 - EVAP Purge Valve (N80): Short to Ground

P1425 - 35-00 - -

17880 - EVAP Leak Detection Pump: Short Circuit to Ground

P1472 - 35-00 - -

17843 - Secondary Air Pump Relay (J299): Short to Ground

P1435 - 35-00 - -

17938 - Camshshaft Timing Adjustment: Short to Ground

P1530 - 35-00 - -

17829 - Secondary Air Injection Solenoid Valve (N112): Short to Ground

P1421 - 35-00 - -

17955 - Boost Pressure Regulation Valve (N75): Short to Ground

P1547 - 35-00 - -

17697 - Boost Pressure Control Valve (N249): Short to Ground

P1289 - 35-00 - -

17529 - Oxygen (Lambda) Sensor Heating Circuit: B2 S2: Short to Ground

P1121 - 35-00 - -

17525 - Oxygen (Lambda) Sensor Heating Circuit: B1 S2: Short to Ground

P1117 - 35-00 - -

17522 - Oxygen (Lambda) Sensor: B1 S2: Internal Resistance too High

P1114 - 35-00 - -

17548 - Oxygen (Lambda) Sensor: B2 S2: Internal Resistance too High

P1140 - 35-00 - -

17861 - Exhaust Gas Temp Sensor 1 (G235): Open or Short to Plus

P1453 - 35-00 - -

17865 - Exhaust Gas Temp Sensor 2 (G236): Open or Short to Plus

P1457 - 35-00 - -

16486 - Mass Air Flow Sensor (G70): Signal too Low

P0102 - 35-00 - -

17523 - Oxygen (Lambda) Sensor Heating Circuit: B1 S1: Short to Ground

P1115 - 35-00 - -

17527 - Oxygen (Lambda) Sensor Heating Circuit: B2 S1: Short to Ground

P1119 - 35-00 - -
TIA.
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Old 04-05-2008, 05:59 AM
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Clear codes. Attempt to restart. Check codes.
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Old 04-05-2008, 06:19 AM
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Default Cleared. Starts and runs, disco dash. Same codes. ABS and AT report no load signal.
I checked main harness from ECU to MAF, O2s, and other sensors. Nothing obvious.
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Old 04-05-2008, 06:28 AM
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Default complete list follows:
VAG-COM Version: Release 409.1-S


Chassis Type: 4B - Audi A6 C5
Scan: 01,02,03,08,15,16,17,35,36,37,45,55,56,76

-------------------------------------------------------------------------------
Address 01: Engine
Controller: 4B0 907 551 T
Component: 2.7l V6/5VT G09 0001
Coding: 06752
Shop #: WSC 09223
WAUED64BX1NXXXXXX AUZ7Z0A187XXXX
16 Faults Found:
17833 - EVAP Purge Valve (N80): Short to Ground
P1425 - 35-00 - -
17880 - EVAP Leak Detection Pump: Short Circuit to Ground
P1472 - 35-00 - -
17843 - Secondary Air Pump Relay (J299): Short to Ground
P1435 - 35-00 - -
17938 - Camshshaft Timing Adjustment: Short to Ground
P1530 - 35-00 - -
17829 - Secondary Air Injection Solenoid Valve (N112): Short to Ground
P1421 - 35-00 - -
17955 - Boost Pressure Regulation Valve (N75): Short to Ground
P1547 - 35-00 - -
17697 - Boost Pressure Control Valve (N249): Short to Ground
P1289 - 35-00 - -
17529 - Oxygen (Lambda) Sensor Heating Circuit: B2 S2: Short to Ground
P1121 - 35-00 - -
17525 - Oxygen (Lambda) Sensor Heating Circuit: B1 S2: Short to Ground
P1117 - 35-00 - -
17861 - Exhaust Gas Temp Sensor 1 (G235): Open or Short to Plus
P1453 - 35-00 - -
17865 - Exhaust Gas Temp Sensor 2 (G236): Open or Short to Plus
P1457 - 35-00 - -
16486 - Mass Air Flow Sensor (G70): Signal too Low
P0102 - 35-00 - -
17523 - Oxygen (Lambda) Sensor Heating Circuit: B1 S1: Short to Ground
P1115 - 35-00 - -
17527 - Oxygen (Lambda) Sensor Heating Circuit: B2 S1: Short to Ground
P1119 - 35-00 - -
16518 - Oxygen (Lambda) Sensor B1 S1: No Activity
P0134 - 35-00 - -
16538 - Oxygen (Lambda) Sensor B2 S1: No Activity
P0154 - 35-00 - -
Readiness: 0110 1101

-------------------------------------------------------------------------------
Address 02: Auto Trans
Controller: 4B0 927 156 DJ
Component: AG5 01V 2.7l5VT USA 1717
Coding: 00032
Shop #: WSC 00000
1 Fault Found:
18265 - Load Signal: Error Message from ECU
P1857 - 35-00 - -

-------------------------------------------------------------------------------
Address 03: ABS Brakes
Controller: 8D0 907 389 E
Component: ABS/ESP allrad D56
Coding: 06397
Shop #: WSC 02325
1 Fault Found:
18265 - Load Signal: Error Message from ECU
P1857 - 35-00 - -

-------------------------------------------------------------------------------
Address 08: Auto HVAC
Controller: 4B0 820 043 AG
Note: Excessive Comm Errors

-------------------------------------------------------------------------------
Skipping Address 15-Airbags

-------------------------------------------------------------------------------
Address 16: Steering wheel
Controller: 4B0 907 487 D
Component: Lenkradelektronik D03
Coding: 00602
Shop #: WSC 65535
No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments
Controller: 4B0 920 981 GX
Component: C5-KOMBIINSTR. VDO D17
Coding: 02264
Shop #: WSC 00000
WAUED64BX1NXXXXXX AUZ7Z0A187XXXX
No fault code found.

-------------------------------------------------------------------------------
Address 35: Centr. Locks
Controller: 4B0 962 258 J
Component: Central Lock/Alarm D34
Coding: 15981
Shop #: WSC 02325
1 Fault Found:
01562 - Right Rear Door
59-00 - Can't Unlock

-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr
Controller: 4B0 959 760 B
Component: Sitzmemory R1 F 0101
Coding: 00001
Shop #: WSC 00000
No fault code found.

-------------------------------------------------------------------------------
Address 45: Inter. Monitor
Controller: 4B0 951 178 A
Component: Innenraumueberw. D04
Coding: 00101
Shop #: WSC 02325
No fault code found.

-------------------------------------------------------------------------------
Address 55: Xenon Range
Controller: 4B0 907 357
Component: LEUCHTWEITEREGLER D004
Coding: 00006
Shop #: WSC 02325
No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio
Controller: 4B0 035 195 A
Component: Radio D00
Coding: 00017
Shop #: WSC 00003
1 Fault Found:
00855 - Connection to CD changer
49-00 - No Communications

End --------------------------------------------------------------------------------------------------
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Old 04-05-2008, 08:24 AM
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Default Fuse 34 was blown. Suspect a short somewhere near rear O2's, sound right? Anyone?
Can't get under the car to look as it is raining cats and dogs here. Hopefully it will clear up tomorrow.
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Old 04-05-2008, 08:57 AM
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Default Check battery compartment for water
A friend of mine had same symptoms with 2.7 t allroad and he discovered flooded area ahead of bulkhead. ECU was toast and blew some fuses.
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Old 04-05-2008, 09:08 AM
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Draining fine.
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Old 04-05-2008, 01:46 PM
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Follow up. B1 S2 shorted. Disconnected it until it dries out for a while and I can fix it.
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Old 04-05-2008, 02:08 PM
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Good find!
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Old 04-05-2008, 02:20 PM
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Default Seemed that rear O2s would be the place to start looking. Longer wires, higher potential for damage.
Now, I wish the rain would stop so I can fix it. I got rained on enough just trying to find it. I unplugged the sensor, changed the fuse, cleared the codes and waited to see what happened. I tried B2 S2 first, and pop went the fuse. Did the same for B1 S2 and found success.
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