TSB PIT6031B — Chevrolet and GMC Service bulletin
PIT6031B is a service bulletin on file with NHTSA for 3 Chevrolet and GMC models, 2019–2023 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This Preliminary information communicates an issue where an aftermarket autostop device or rear taillights is causing a dead battery.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIT6031B names
| Vehicle | Model years |
|---|---|
| Chevrolet Silverado 1500 | 2019, 2020, 2021, 2022 |
| Chevrolet Silverado 2500 | 2020, 2021, 2022, 2023 |
| GMC Sierra 1500 | 2019, 2020, 2021, 2022 |
Every document filed under PIT6031B
| Document ID | Filed | Type |
|---|---|---|
| PIT6031B | August 7, 2026 | Service bulletin |
Questions buyers ask
What is TSB PIT6031B?
PIT6031B is a service bulletin filed with NHTSA by Chevrolet and GMC, covering 3 Chevrolet and GMC models across the 2019–2023 model years. NHTSA's summary reads: This Preliminary information communicates an issue where an aftermarket autostop device or rear taillights is causing a dead battery.
Which vehicles does PIT6031B cover?
NHTSA's file names Chevrolet Silverado 1500 (2019–2022); Chevrolet Silverado 2500 (2020–2023); GMC Sierra 1500 (2019–2022). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB PIT6031B a recall, and is the repair free?
No. PIT6031B is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of PIT6031B?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under PIT6031B, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under PIT6031B. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.