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P1557 Diagnostic Trouble Code Discussion for November 2011

Battery Module Temperature Sensor Signal 3 Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P1557
Help Request Posted
2001 Volkswagen Jetta GLS 1.8L Poor Idle Quality, Surge, MIL Lamp on VIN: 3VWSC29M81
P1557: charge pressure control positive deviation. Car came into the shop with the only complaint of an RPM surge when at idle in neutral or park. MIL on. Codes read as stated above. Went through other fixes on iatn and found pcv valves to be very common. Replaced the PCV and no change. Cleaned the MAF sensor ...
November 01, 2011