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1996 Buick Skylark Limited 2.4L No Start, Stall, MIL Lamp on
Posted to GM Driveability on 9/18/2008 13 Replies

I need somebody to please explain to me how to diagnose this passlock system. We have a code P1629 which, according to the limited diagnostics, if it won't accept a relearn procedure then replace the PCM, which we did. Still won't start. Have what appear to be...

13 Replies Received (View Replies)

  Related Documents & Media  1996 Buick Skylark Limited

 
Message Closed w/FIX

car Vehicle Data

1996 Buick Skylark Limited

VIN 1G4NJ52TXT
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start, Stall, MIL Lamp On
OccursAlways

Trouble Codes

P1629TCM Internal Supply Voltage / Watchdog
Message Closed w/FIX

car Vehicle Data

1996 Buick Skylark Limited

VIN 1G4NJ52TXT
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start, Stall, MIL Lamp On
OccursAlways

Trouble Codes

P1629TCM Internal Supply Voltage / Watchdog