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P1629 Diagnostic Trouble Code Discussion for January 2015

Theft Deterrent Signal Not Received

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Trouble Ticket Help Requests for DTC P1629
Help Request Posted
2006 Buick Lucerne CX 3.8L No Start, no crank VIN: 1G4HP57206
P1629: Theft Deterrent Signal Not Received. Cleared fault codes, the P1629 is the only code remaining. Verify current correct trans selector operation. Have power and groud at theft module. Have no communication with theft module, drivers door module, and passenger door module. Low speed GMLAN shows 16....
January 08, 2015