TSB PIT6517C — Buick, Cadillac, Chevrolet and GMC Service bulletin
PIT6517C is a service bulletin on file with NHTSA for 11 Buick, Cadillac, Chevrolet and GMC models, 2024–2026 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no issue is found.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIT6517C names
Every document filed under PIT6517C
| Document ID | Filed | Type |
|---|---|---|
| PIT6517C | July 30, 2026 | Service bulletin |
Questions buyers ask
What is TSB PIT6517C?
PIT6517C is a service bulletin filed with NHTSA by Buick, Cadillac, Chevrolet and GMC, covering 11 Buick, Cadillac, Chevrolet and GMC models across the 2024–2026 model years. NHTSA's summary reads: This PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no issue is found.
Which vehicles does PIT6517C cover?
NHTSA's file names Buick Enclave (2026); Cadillac Escalade (2026); Chevrolet Colorado (2024–2026); Chevrolet Corvette (2024–2025); Chevrolet Equinox (2026); Chevrolet Tahoe (2026); Chevrolet Traverse (2026); GMC Acadia (2026); GMC Canyon (2024–2026); GMC Terrain (2026), and 1 more vehicle listed on this page. 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 PIT6517C a recall, and is the repair free?
No. PIT6517C 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 PIT6517C?
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 PIT6517C, 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 PIT6517C. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.