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2020 GMC Sierra 2500 HD AT4 6.6L Trailer Brake
Installed a chassis control module after having several modules give a no com problem. Now only ABS and Body control module will not communicate to chassis module. All fuses have been checked except for fuse F64 in underhood fuse box, as I can't find the f...
FIX posted 2/26/2024
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Message Closed w/FIX
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4 Replies Received
4 Replies Received
Related Documents & Media | VIN | 1GT49PEY6L |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 1-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | Trailer Brake |
| Conditions | No Communication |
Message Closed w/FIX
Vehicle Data
2020 GMC Sierra 2500 HD AT4
| VIN | 1GT49PEY6L |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 1-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | Trailer Brake |
| Conditions | No Communication |
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