× 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
1999 Pontiac Grand Am GT 3.4L ecm
Posted to GM Electrical on 5/6/2008 3 Replies

Hello fellow techs I have a problem with this vechicle with U codes U1000 loss of class 2 serial com and U1016 lost comm with ecm. This is very intermedate have seen problem before always has been ingition switch. After replacing switch still does the same pro...

3 Replies Received (View Replies)

  Related Documents & Media  1999 Pontiac Grand Am GT

 
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Am GT

VIN 1G2NW52E2X
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedECM
ConditionsLoses Commuaction
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Am GT

VIN 1G2NW52E2X
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedECM
ConditionsLoses Commuaction