
2008 GMC Envoy Denali 5.3L No communication
No communication with ebcm after attempting to re flash the module. In addition we don't have communication with ebcm and tcm. Car does run I did notice that tcm/ebcm use high speed Lan communication as well as class 2 communication not sure how it communicate...
FIX posted 6/24/2015
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Message Closed w/FIX
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VIN | 1GKET63M08 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / Sefi |
Emissions | OBD-II Compliant |
Symptoms | No Communication |
Occurs | Always |
Trouble Codes
U1000 | Class 2 Communication Malfunction |
Message Closed w/FIX
Vehicle Data
2008 GMC Envoy Denali
VIN | 1GKET63M08 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / Sefi |
Emissions | OBD-II Compliant |
Symptoms | No Communication |
Occurs | Always |
Trouble Codes
U1000 | Class 2 Communication Malfunction |