× 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
2002 Chevrolet Impala 3.4L No Start
Posted to GM Driveability on 2/13/2008 10 Replies

Vehicle came in with the BCM going haywire and codes in all the other modules for the BCM. After confirming good powers, grounds and no shorts, I replaced the BCM.

The problem I am having is the Passlock reset procedure is not working. I have done the whole "...

10 Replies Received (View Replies)

  Related Documents & Media  2002 Chevrolet Impala

 
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Impala

VIN 2G1WF55E52
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / security system
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways

Trouble Codes

P1631TCM Internal - Clock Processor Performance
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Impala

VIN 2G1WF55E52
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / security system
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways

Trouble Codes

P1631TCM Internal - Clock Processor Performance