TSB N242445290 — Chevrolet and GMC Warranty extension
N242445290 is a warranty extension on file with NHTSA for 2 Chevrolet and GMC models, 2021 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Special Coverage. Certain vehicles, equipped with a 2.8L diesel engine (RPO LWN), could have a condition that may intermittently cause the throttle body motor to fail to complete the throttle position learn cycle within the allowed time. If this condition were to occur, the…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. N242445290 is filed as a warranty extension, 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 N242445290 names
| Vehicle | Model years |
|---|---|
| Chevrolet Colorado | 2021 |
| GMC Canyon | 2021 |
Every document filed under N242445290
| Document ID | Filed | Type |
|---|---|---|
| N242445290 | August 13, 2024 | Warranty extension |
What N242445290 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB N242445290?
N242445290 is a warranty extension filed with NHTSA by Chevrolet and GMC, covering 2 Chevrolet and GMC models across the 2021 model years. NHTSA's summary reads: Special Coverage. Certain vehicles, equipped with a 2.8L diesel engine (RPO LWN), could have a condition that may intermittently cause the throttle body motor to fail to complete the throttle position learn cycle within the allowed time. If this condition were to occur, the…
Which vehicles does N242445290 cover?
NHTSA's file names Chevrolet Colorado (2021); GMC Canyon (2021). 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 N242445290 a recall, and is the repair free?
N242445290 is filed as a warranty extension, 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 N242445290?
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 N242445290, 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 N242445290. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.