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P1556 Diagnostic Trouble Code Discussion for August 2010

Battery Module Temperature Sensor Signal 2 Circuit High Voltage

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Trouble Ticket Help Requests for DTC P1556
Help Request Posted
2001 Volkswagen Golf GLS 1.9L Excessive Emissions, Hesitation, MIL Lamp on, No Power VIN: 9BWGP61J01
P1556: charge pressure control negative deviation. ... replace the turbo because a no power complaint. Another symtom I notice is when its started cold it smokes and misfires for about 30 seconds. If you hold about 2000rpm it will smoke also, looks like fuel smoke. Anyhow I installed the new turbo and gaskets....
August 11, 2010