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P1557 Diagnostic Trouble Code Discussion for August 2010

Battery Module Temperature Sensor Signal 3 Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P1557
Help Request Posted
2000 Volkswagen Beetle GLS 1.8L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 3VWCD21C8Y
P1557: charge pressure control positive. ... when warm and will stall at stops. Code p1557 sets as soon as it is driven. It will run ok if the mass air flow sensor is disconnected (in limp mode). No vacuum leaks can be found with smoke.
August 03, 2010