1999 Pontiac Grand Am GT 3.4L ecm
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...
FIX posted 5/14/2008
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Message Closed w/FIX
Vehicle Data1999 Pontiac Grand Am GT
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Message Closed w/FIX
Vehicle Data
1999 Pontiac Grand Am GT
VIN | 1G2NW52E2X |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Affected | ECM |
Conditions | Loses Commuaction |