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P1111 Diagnostic Trouble Code Discussion for November 2007

IAT Sensor Circuit Intermittent High Voltage


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Trouble Ticket Help Requests for DTC P1111
Help Request Posted
1996 Volkswagen Passat TDI 1.9L MIL Lamp on VIN: WVWHG83A3T
P1111: control module malfunction. Cannot find any tests, don't want to replace control module without verifying it is a problem. MIL is NOT on when key turned to on position. As soon as car is driven, MIL comes on with code above. Shut car off, turn key back to on, no MIL light, cycle repeats ...
November 08, 2007
1996 Volkswagen Passat TDI 1.9L MIL Lamp on VIN: WVWHG83A3T
P1111: control module malfunction. Cannot find any tests, don't want to replace control module without verifying it is a problem. MIL is NOT on when key turned to on position. As soon as car is driven, MIL comes on with code above. Shut car off, turn key back to on, no MIL light, cycle repeats ...
November 12, 2007
1996 Volkswagen Passat TDI 1.9L MIL Lamp on VIN: WVWHG83A3T
P1111: control module malfunction. Cannot find any tests, don't want to replace control module without verifying it is a problem. MIL is NOT on when key turned to on position. As soon as car is driven, MIL comes on with code above. Shut car off, turn key back to on, no MIL light, cycle repeats ...
November 08, 2007
1996 Volkswagen Passat TDI 1.9L MIL Lamp on VIN: WVWHG83A3T
P1111: control module malfunction. Cannot find any tests, don't want to replace control module without verifying it is a problem. MIL is NOT on when key turned to on position. As soon as car is driven, MIL comes on with code above. Shut car off, turn key back to on, no MIL light, cycle repeats ...
November 12, 2007