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2004 Chevrolet Silverado 2500 HD 6.6L No Communication
hello what we have is 04 duramax we are trying to run a smog test. the problem is the truck will not communicate with smog machine. comes up the data for mode 1 was set to priority 1, however the data collected was invalid. we flashed ecm with latest updat...
FIX posted 1/15/2018
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GCHK29264 |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | No Communication |
| Occurs | Always |
| Misc. | Duramax |
Message Closed w/FIX
Vehicle Data
2004 Chevrolet Silverado 2500 HD
| VIN | 1GCHK29264 |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | No Communication |
| Occurs | Always |
| Misc. | Duramax |
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