- July 4: Chevrolet Colorado and GMC Canyon Recalled For Fire Risk recalls | 18 days ago
- July 2: No Missouri GM Oil Consumption Class Action Lawsuit news | 20 days ago
- May 22: GM Duramax Diesel Lawsuit Awaiting Appeals Court Decision news | 61 days ago
- May 17: GM Fuel Pump Lawsuit Affects Chevy Equinox, GMC Terrain news | 66 days ago
- May 7: GM Transmission Lawsuit Affects Hydra-Matic 8L90 and 8L45 news | 76 days ago
GMC TSB #PIT5365D
2019 GMC Sierra 2500
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- This Preliminary Information communication provides information to the technician on how the radio display gets the air ambient temperature. On 1500 series trucks and all sport utility vehicle with regular production option code IO3 radio the ambient air temperature sensor is hard wired to the engine control module and then the signal goes on high speed local area network to the body control module from there on low speed local area network to the radio. On 1500 series trucks and all sport utility vehicle with regular production option code IO4, IO5, or IO6 the ambient air temperature sensor is hard wired to the engine control module and then the signal goes on high speed local area network to the body control module from there on low speed local area network to the radio then Most 50 Bus to the Human Machine Interface. On 2500/3500 series trucks production option code IO3 radio the ambient air temperature sensor is hard wired to the instrument panel cluster and then the signal goes on low speed local area network to the radio. On 2500/3500 series trucks production option code IO4, IO5, or IO6 radio the ambient air temperature sensor is hard wired to the instrument panel cluster and then the signal goes on low speed local area network to the radio then Most 50 Bus to the Human Machine Interface.
Click a tab for more information.