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2006 Chevrolet Cobalt LS 2.2L No Communication
Posted to GM Driveability on 10/5/2011 10 Replies

So, this Cobalt came into the bay after it had been wrecked and repaired with a check engine light on with about 20 codes including a PCM error code. We replaced the pcm only to find a couple of communication codes. This is were the real trouble starts.

When ...

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  Related Documents & Media  2006 Chevrolet Cobalt LS

 
Message Closed w/FIX

car Vehicle Data

2006 Chevrolet Cobalt LS

VIN 1G1AK55F96
Engine2.2 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Communication
OccursAlways

Trouble Codes

U0100Lost Communication With PCM
U0101No Transmission Bus Message
U0140Lost Communication With Body Control Module
Message Closed w/FIX

car Vehicle Data

2006 Chevrolet Cobalt LS

VIN 1G1AK55F96
Engine2.2 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Communication
OccursAlways

Trouble Codes

U0100Lost Communication With PCM
U0101No Transmission Bus Message
U0140Lost Communication With Body Control Module