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P1557 Diagnostic Trouble Code Discussion for March 2005

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 Beetle GL 1.9L Hesitation VIN: 2VWCP21C61
P1557: turbo waste gate bypass regulator valve. ... revealed code p1557-turbo waste gate bypass regulator valve. test on AllData only pertained to electrical side of the valve?? that part was ok. tested the operation of the vacuum side of the valve to the best of our abilities and it seem to fail! ordered n...
March 12, 2005