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P1555 Diagnostic Trouble Code Discussion for June 2009

Battery Module Temperature Sensor Signal 1 Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P1555
Help Request Posted
1999 Audi A4 1.8L Surge, Cuts out VIN: WAUCB28D4W
P1555: 17963 - excessive boost pressure. ... buck/surge. Oiginally I had a P0302 (misfire on cyl 2) code. Replaced #2 coil and that code has not come back. On acceleration, when boost hits 12 psi, the vehicle will buck and surge severely. I also have P1555 (17963) excessive boost pressure code. I hav...
June 29, 2009