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P1629 Diagnostic Trouble Code Discussion for October 2007

Theft Deterrent Signal Not Received


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Trouble Ticket Help Requests for DTC P1629
Help Request Posted
1999 Pontiac Grand Prix GT 3.8L No Start, Stall VIN: 1G2WP52K4X
P1629: Theft Deterrent Signal Not Present, Engine Cranking. vehicle came in with an intermttent stall,(only on start up.) vehicle will start and run fine untill stall ocurrs.(run time about 10 sec.) this will happen somtimes multiple times. injector pulse,spark,and fuel pressure are all ok untill stall. i reviewed all ...
October 04, 2007
1998 Chevrolet S10 2.2L Stall VIN: 1GCCS1444W
P1629: Theft Deterrent Fuel Enable Signal Not Received. This vehicle came in running with #2 cylinder misfire. After diagnosing the vehicle we replaced the ECM with a used unit. Now it starts and runs on all 4 cylinders but only for about 6 seconds. We have tried the reprogramming protocol several times. We replace...
October 11, 2007
1997 Pontiac Grand Am GT 2.4L No Start, Cuts out, Stall, MIL Lamp on VIN: 1G2NW12TXV
P1629: Theft Deterrent Fuel Enable Signal Not Received. This car has intermittent no start at times it will sent one code and start and then again it will set no codes and and not start. We have seen ignition switches do this but we checked for broken wires and have done relearn for the switch . we have checked fo...
October 22, 2007
1998 Chevrolet S10 2.2L Stall VIN: 1GCCS1444W
P1629: Theft Deterrent Fuel Enable Signal Not Received. This vehicle came in running with #2 cylinder misfire. After diagnosing the vehicle we replaced the ECM with a used unit. Now it starts and runs on all 4 cylinders but only for about 6 seconds. We have tried the reprogramming protocol several times. We replace...
October 24, 2007