TSB PIT6527 — Chevrolet and GMC Service bulletin

PIT6527 is a service bulletin on file with NHTSA for 2 Chevrolet and GMC models, 2026 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. This PI describes a condition where U0288 will falsely set. Engineering is aware of the issue and working on the resolution.

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
2Vehicles named
1Model year

Vehicles and model years PIT6527 names

VehicleModel years
Chevrolet Colorado 2026
GMC Canyon 2026

Every document filed under PIT6527

Document IDFiledType
PIT6527 June 10, 2026 Service bulletin
← All Chevrolet Colorado TSB years TSB lookup by model

Questions buyers ask

What is TSB PIT6527?

PIT6527 is a service bulletin filed with NHTSA by Chevrolet and GMC, covering 2 Chevrolet and GMC models across the 2026 model years. NHTSA's summary reads: This PI describes a condition where U0288 will falsely set. Engineering is aware of the issue and working on the resolution.

Which vehicles does PIT6527 cover?

NHTSA's file names Chevrolet Colorado (2026); GMC Canyon (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 PIT6527 a recall, and is the repair free?

No. PIT6527 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 PIT6527?

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 PIT6527, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

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 PIT6527. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.