 
				
	| 2008 Pontiac Grand Prix GXP 5.3L Erratic Shift 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 ... 
                        
                            FIX posted 5/25/2012
                               
                    iATN Members:  Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 5 Replies Received (View Replies)5 Replies Received (Hide Replies)
 | Message Closed w/FIX 
 | 
| VIN | 2G2WC55C48 | 
| Engine | 5.3 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | Erratic Shift | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2008 Pontiac Grand Prix GXP
| VIN | 2G2WC55C48 | 
| Engine | 5.3 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | Erratic Shift | 
 5 Replies Received
5 Replies Received
 5 Replies Received
          5 Replies Received
           Related Documents & Media
  Related Documents & Media   Video
Video