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1998 Pontiac Grand Am SE 2.4L No Start
Posted to GM Driveability on 9/13/2004 6 Replies

After repairs ran 500 miles. Towed back in with code 1629 crank signal incorrect and 1631 password incorrect. Tested wiring from IPC to lock clynder 0.50 ohms on all wires. 5 volt reference good, have 10.57 volts on battery voltage wire to lock clynder, ground...

6 Replies Received (View Replies)

  Related Documents & Media  1998 Pontiac Grand Am SE

 
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Grand Am SE

VIN 1G2NE52T8W
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsNo Start
OccursIntermittently

Trouble Codes

P1629TCM Internal Supply Voltage / Watchdog
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Grand Am SE

VIN 1G2NE52T8W
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsNo Start
OccursIntermittently

Trouble Codes

P1629TCM Internal Supply Voltage / Watchdog