Chevrolet Silverado 1500 2019–2022 — technical service bulletin
Bulletin PIT6198 · NHTSA communication 11007183 · issued Sep 6, 2024
Technical service bulletin
communication type
Unknown OR Other
component
2019–2022
model years
19
vehicle entries
Official summary
This Preliminary information communicates a diagnostic tip for an SES MIL at startup with DTC U0100. Dealer are to test the accessory wake up circuit to the ECM for power.
Vehicles covered
- 2020 Chevrolet Silverado 1500
- 2021 Chevrolet Silverado 1500
- 2022 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 2500
- 2021 Chevrolet Silverado 2500
- 2022 Chevrolet Silverado 2500
- 2020 Chevrolet Silverado 3500
- 2021 Chevrolet Silverado 3500
- 2022 Chevrolet Silverado 3500
- 2019 GMC Sierra 1500
- 2020 GMC Sierra 1500
- 2021 GMC Sierra 1500
- 2022 GMC Sierra 1500
- 2020 GMC Sierra 2500
- 2021 GMC Sierra 2500
- 2022 GMC Sierra 2500
- 2020 GMC Sierra 3500
- 2021 GMC Sierra 3500
- 2022 GMC Sierra 3500
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.