× 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
2008 Pontiac Grand Prix GXP 5.3L Erratic Shift
Posted to GM Transmission on 5/8/2012 5 Replies

Vehicle came in with an erratic shift. Had U0073 stored. Snap on scanner defines it as Control Module comm BUS off. When I clear the code the transmission shifts perfectly. After clearing the code it can take anywhere from 5 mins to 10 mins to set again. Also ...

5 Replies Received (View Replies)

  Related Documents & Media  2008 Pontiac Grand Prix GXP

 
Message Closed w/FIX

car Vehicle Data

2008 Pontiac Grand Prix GXP

VIN 2G2WC55C48
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedErratic Shift
Message Closed w/FIX

car Vehicle Data

2008 Pontiac Grand Prix GXP

VIN 2G2WC55C48
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedErratic Shift