TSB PIP6121 — Chevrolet and GMC Service bulletin
PIP6121 is a service bulletin on file with NHTSA for 2 Chevrolet and GMC models, 2025–2026 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This PI communicates a possible speedometer and/or odometer error due to an error in the parts catalog
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIP6121 names
| Vehicle | Model years |
|---|---|
| Chevrolet Equinox | 2025, 2026 |
| GMC Terrain | 2025, 2026 |
Every document filed under PIP6121
| Document ID | Filed | Type |
|---|---|---|
| PIP6121 | June 10, 2026 | Service bulletin |
Questions buyers ask
What is TSB PIP6121?
PIP6121 is a service bulletin filed with NHTSA by Chevrolet and GMC, covering 2 Chevrolet and GMC models across the 2025–2026 model years. NHTSA's summary reads: This PI communicates a possible speedometer and/or odometer error due to an error in the parts catalog
Which vehicles does PIP6121 cover?
NHTSA's file names Chevrolet Equinox (2025–2026); GMC Terrain (2025–2026). 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 PIP6121 a recall, and is the repair free?
No. PIP6121 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 PIP6121?
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 PIP6121, 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 PIP6121. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.