Chevrolet Silverado 1500 2019–2022 — technical service bulletin
Bulletin PIT6088 · NHTSA communication 10247361 · issued Nov 16, 2023
Technical service bulletin
communication type
Power Train
component
2019–2022
model years
8
vehicle entries
Official summary
This Preliminary information communicates a diagnostic tip to inspect the main ground connection when diagnosing any lack of power steering assist issues with DTCs C1597 and/or C1599.
Vehicles covered
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.