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2006 Chevrolet Cobalt LS 2.2L No Communication
Posted to GM Driveability on 4/29/2021 8 Replies

initial diagnosis-not shifting properly-flaring & skipping gears- no comm with TCM, PCM code U101, On install of new GM TCM & program attempt (with battery charger attached under hood B & top of shock tower)- got sparks from a different bolt at top of stru...

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  Related Documents & Media  2006 Chevrolet Cobalt LS

 
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car Vehicle Data

2006 Chevrolet Cobalt LS

VIN 1G1AK15F76
Engine2.2 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Communication
OccursAlways, Always

Trouble Codes

U0101No Transmission Bus Message
Open Help Request

car Vehicle Data

2006 Chevrolet Cobalt LS

VIN 1G1AK15F76
Engine2.2 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Communication
OccursAlways, Always

Trouble Codes

U0101No Transmission Bus Message