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P1629 Diagnostic Trouble Code Discussion for May 2012

Theft Deterrent Signal Not Received


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Trouble Ticket Help Requests for DTC P1629
Help Request Posted
1996 Oldsmobile Achieva SL 2.4L No Start VIN: 1G3NL52T4T
P1629: Theft Deterrent Fuel Enable Signal Not Received. ok have this achieva that was towed in wont start try to start and the car is bucking like the timing is advanced popping back through the air cleaner,checked a few basic things then moved on to a compression test,found cylinder 1&2 are normal at 100 psi 3...
May 01, 2012
2000 Pontiac Grand Prix SE 3.8L No Start, Stall VIN: 1G2WJ52K5Y
P1629: Theft Deterrent Signal Not Present - Engine Cranking. Ok driving us nuts, this grand prix has a very intermittant stall. Ive had it running for the past 50 mins with no problems. The codes listed were history and there are no "current" codes. We've tried an ignition module due to the symptoms. When it doe...
May 03, 2012
2002 Saturn Vue 3.0L No Start VIN: 5GZCZ63BX2
P1629: Theft Deterrent Learn Mode Active. Saturn tects, have this vue that came in shop with lean codes and engine miss. tighten air plate and clean maf for lean codes. pulled intake to inspect #5 cyl and coil. replaced all spark plugs and boots. drove car about 8 miles and miss stiil there when hot, ...
May 08, 2012