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2020 GMC Sierra 2500 HD AT4 6.6L Trailer Brake
Posted to GM Brakes on 2/20/2024 4 Replies

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...

4 Replies Received (View Replies)

  Related Documents & Media  2020 GMC Sierra 2500 HD AT4

 
Message Closed w/FIX

car Vehicle Data

2020 GMC Sierra 2500 HD AT4

VIN 1GT49PEY6L
Engine6.6 L / 8 cyl / DIESEL
Trans1-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedTrailer Brake
ConditionsNo Communication
Message Closed w/FIX

car Vehicle Data

2020 GMC Sierra 2500 HD AT4

VIN 1GT49PEY6L
Engine6.6 L / 8 cyl / DIESEL
Trans1-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedTrailer Brake
ConditionsNo Communication