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P1557 Diagnostic Trouble Code Discussion for December 2006

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 Golf GTI GLS 1.8L Surge, Poor Fuel Economy, MIL Lamp on VIN: WVWDH21J7Y
P1557: Charge pressure control positive deviation. Customers complaint is Check engine light on, drop in fuel economy, surge/bucking while driving on freeway. We have cleaned the ven and breather lines, cleaned vent solenoid, repaired vacuum line under intake, replaced secondary air control valve, replaced tur...
December 13, 2006