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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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7 Replies Received
7 Replies Received
Related Documents & Media | 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 |
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