Chevrolet 6500 2014–2023 — technical service bulletin
Bulletin PIT5359D · NHTSA communication 10249262 · issued Dec 4, 2023
Technical service bulletin
communication type
Electrical System
component
2014–2023
model years
30
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician about vehicles that may have a radio backlighting will stay on even after the ignition has been turned off and the key has been removed for several minutes, eventually the battery will drain. Technician may find following fuses F23DL F22DL F30DL F31DL F32DL with the ignition key in the off position to have voltage. Technician should not replace the Transfer Case Control Module. Technician will need to install a diode, part number 12112422, across the coil of the solenoid. It is important that the striped end of t
Vehicles covered
- 2019 Chevrolet 6500
- 2019 Chevrolet Duplicate Silverado 5500
- 2014 Chevrolet Silverado 1500
- 2017 Chevrolet Silverado 1500
- 2015 Chevrolet Silverado 2500
- 2016 Chevrolet Silverado 2500
- 2019 Chevrolet Silverado 2500
- 2019 Chevrolet Silverado 3500
- 2019 Chevrolet Silverado 4500
- 2020 Chevrolet Silverado 4500
- 2021 Chevrolet Silverado 4500
- 2022 Chevrolet Silverado 4500
- 2023 Chevrolet Silverado 4500
- 2019 Chevrolet Silverado 5500
- 2020 Chevrolet Silverado 5500
- 2021 Chevrolet Silverado 5500
- 2023 Chevrolet Silverado 5500
- 2019 Chevrolet Silverado 6500
- 2021 Chevrolet Silverado 6500
- 2022 Chevrolet Silverado 6500
- 2023 Chevrolet Silverado 6500
- 2018 Chevrolet Silverado LT
- 2014 GMC Sierra 1500
- 2017 GMC Sierra 1500
- 2018 GMC Sierra 1500
- 2015 GMC Sierra 2500
- 2016 GMC Sierra 2500
- 2019 GMC Sierra 2500
- 2019 GMC Sierra 3500
- 2019 GMC Sierra Denali
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.