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P1557 Diagnostic Trouble Code Discussion for August 2006

Battery Module Temperature Sensor Signal 3 Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P1557
Help Request Posted
1999 Audi A4 1.8L MIL Lamp on VIN: WAUCB28D9X
P1557: Charge pressure positive dev. ... Came in with MIL on and a whole list of codes. Cleared codes and road tested. MAF and Lean codes came back. Vehicle would not idle and ran poorly with no power. Tried cleaning MAF and retest with no improvement. Same codes returned. Replaced MAF and now ha...
August 14, 2006
1999 Audi A4 1.8L MIL Lamp on VIN: WAUCB28D9X
P1557: Charge pressure positive dev. ... Came in with MIL on and a whole list of codes. Cleared codes and road tested. MAF and Lean codes came back. Vehicle would not idle and ran poorly with no power. Tried cleaning MAF and retest with no improvement. Same codes returned. Replaced MAF and now ha...
August 14, 2006