× 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
2000 GMC Sierra 1500 SL 5.3L No Start
Posted to GM Driveability on 9/18/2002 4 Replies

Vehicle would not start one day for the customer, after he tried starting it 40-50 times engine started and problem has not reoccurred. Retrieved dtc p1631, and by freeze frame data code was set when vehicle would not start. customer stated engine cranked fine...

4 Replies Received (View Replies)

  Related Documents & Media  2000 GMC Sierra 1500 SL

 
Message Closed

car Vehicle Data

2000 GMC Sierra 1500 SL

VIN 1GTEK19TXY
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start
OccursNot Applicable

Trouble Codes

P1631TCM Internal - Clock Processor Performance
Message Closed

car Vehicle Data

2000 GMC Sierra 1500 SL

VIN 1GTEK19TXY
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsNo Start
OccursNot Applicable

Trouble Codes

P1631TCM Internal - Clock Processor Performance