TSB N252501791 — Chevrolet and GMC Service campaign
N252501791 is a service campaign on file with NHTSA for 2 Chevrolet and GMC models, 2023 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Certain vehicles may experience reduced or intermittent Telematics Control Module functionality. Dealers are to reprogram the Telematic Control Module to the latest software level.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. N252501791 is filed as a service campaign, which unlike an ordinary bulletin can mean free or reimbursed work when a vehicle qualifies. Ask a dealer using the document ID below, and check open recalls separately at nhtsa.gov/recalls.
Vehicles and model years N252501791 names
| Vehicle | Model years |
|---|---|
| Chevrolet Colorado | 2023 |
| GMC Canyon | 2023 |
Every document filed under N252501791
| Document ID | Filed | Type |
|---|---|---|
| N252501791 | August 13, 2026 | Service campaign |
Questions buyers ask
What is TSB N252501791?
N252501791 is a service campaign filed with NHTSA by Chevrolet and GMC, covering 2 Chevrolet and GMC models across the 2023 model years. NHTSA's summary reads: Certain vehicles may experience reduced or intermittent Telematics Control Module functionality. Dealers are to reprogram the Telematic Control Module to the latest software level.
Which vehicles does N252501791 cover?
NHTSA's file names Chevrolet Colorado (2023); GMC Canyon (2023). 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 N252501791 a recall, and is the repair free?
N252501791 is filed as a service campaign, not a recall — but this is the kind of communication that can mean free or reimbursed work if your VIN qualifies. Take the number to a dealer and ask. Recalls are separate and always free; check yours by VIN at nhtsa.gov/recalls.
How do I get the full text of N252501791?
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 N252501791, 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 N252501791. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.