P1631 Diagnostic Trouble Code Discussion for March 2010
Theft Deterrent - Start Enable Signal Not Correct
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| Help Request | Posted | |
| 2002 Pontiac Grand Am GT 3.4L No Start VIN: 1G2NW52E02 P1631: Theft Deterrent Fuel Enable Signal Not Correct. ... security light flashing during no start. Descovered P1631, Incorrect password detected for Passlock system, codes B3128, B3133, and B3138, all related to door lock circuitry (vehicle has aftermarket anti-theft system inst... |
March 30, 2010 |
