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P3138 Diagnostic Trouble Code Discussion for June 2010

Collision Sensor High Input


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Trouble Ticket Help Requests for DTC P3138
Help Request Posted
2005 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUDF78E75
P3138: Intake flap for air flow control control difference. Vehicle came in with MIL on, codes P3138, P1098, no drivability problems. Confirmed ECM had latest software as per Audi [...]. Ran basic setting(block 142), failed. Confirmed connection, no issues, voltage supply and ground OK. Replaced flap motor, ran basic s...
June 18, 2010