
1996 Pontiac Grand Prix SE 3.1L No Start, MIL Lamp on
This is a weird one. I pulled these codes from the computer's history codes. I have had the anti theft problems before with GM but usually trying the key on for 10 minutes to send signal works but I can leave the key on for a half hour and the flashers still f...
FIX posted 11/20/2007
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Message Closed w/FIX
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VIN | 1G2WJ12M8T |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | No Start, MIL Lamp On |
Occurs | Always |
Trouble Codes
P1629 | TCM Internal Supply Voltage / Watchdog |
P1672 | TCM FI Data Line Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
1996 Pontiac Grand Prix SE
VIN | 1G2WJ12M8T |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | No Start, MIL Lamp On |
Occurs | Always |
Trouble Codes
P1629 | TCM Internal Supply Voltage / Watchdog |
P1672 | TCM FI Data Line Circuit Malfunction |