TSB PIP5929G — Chevrolet Service bulletin
PIP5929G is a service bulletin on file with NHTSA for the Chevrolet Trailblazer, 2021–2022 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 to the dealers diagnostic tips related to MIL on with P219A.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIP5929G names
| Vehicle | Model years |
|---|---|
| Chevrolet Trailblazer | 2021, 2022 |
Every document filed under PIP5929G
| Document ID | Filed | Type |
|---|---|---|
| PIP5929G | January 22, 2026 | Service bulletin |
Questions buyers ask
What is TSB PIP5929G?
PIP5929G is a service bulletin filed with NHTSA by Chevrolet, covering the Chevrolet Trailblazer across the 2021–2022 model years. NHTSA's summary reads: This Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.
Which vehicles does PIP5929G cover?
NHTSA's file names Chevrolet Trailblazer (2021–2022). 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 PIP5929G a recall, and is the repair free?
No. PIP5929G 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 PIP5929G?
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 PIP5929G, 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 PIP5929G. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.