× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1996 Pontiac Grand Prix SE 3.1L No Start, MIL Lamp on
Posted to GM Driveability on 11/5/2007 8 Replies

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...

8 Replies Received (View Replies)

  Related Documents & Media  1996 Pontiac Grand Prix SE

 
Message Closed w/FIX

car Vehicle Data

1996 Pontiac Grand Prix SE

VIN 1G2WJ12M8T
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsNo Start, MIL Lamp On
OccursAlways

Trouble Codes

P1629TCM Internal Supply Voltage / Watchdog
P1672TCM FI Data Line Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

1996 Pontiac Grand Prix SE

VIN 1G2WJ12M8T
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsNo Start, MIL Lamp On
OccursAlways

Trouble Codes

P1629TCM Internal Supply Voltage / Watchdog
P1672TCM FI Data Line Circuit Malfunction