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1998 Cadillac DeVille 4.6L No Start
Posted to GM Driveability on 12/28/2009 17 Replies

I have been working on this 98 deville that origanally was towed in no-start. Was a repo so no history available. It had a no crank condition with some ipc u-codes. I replaced the ipc "used" and was able to crank engine but no start due to a p1631 password inc...

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  Related Documents & Media  1998 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1998 Cadillac DeVille

VIN 1G6KD54Y8W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways

Trouble Codes

P1631TCM Internal - Clock Processor Performance
Message Closed w/FIX

car Vehicle Data

1998 Cadillac DeVille

VIN 1G6KD54Y8W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways

Trouble Codes

P1631TCM Internal - Clock Processor Performance