TSB N252516900 — Chevrolet and GMC Emissions communication
N252516900 is an emissions communication on file with NHTSA for 8 Chevrolet and GMC models, 2021–2022 model years, filed and re-filed as 4 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Emission Recall. Fuel Pump Power Control Module. Additional VINs Moved to ‘Open’ Status
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years N252516900 names
| Vehicle | Model years |
|---|---|
| Chevrolet Blazer | 2021 |
| Chevrolet Camaro | 2021 |
| Chevrolet Equinox | 2021, 2022 |
| Chevrolet Malibu | 2021 |
| Chevrolet Suburban | 2021 |
| GMC Acadia | 2021, 2022 |
| GMC Terrain | 2021, 2022 |
| GMC Yukon | 2021 |
Every document filed under N252516900
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| N252516900 | February 5, 2026 | Emissions communication |
| N252516900 | January 29, 2026 | Emissions communication |
| N252516900 | January 15, 2026 | Emissions communication |
| N252516900 | December 17, 2025 | Emissions communication |
What N252516900 covers
Fuel system — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB N252516900?
N252516900 is an emissions communication filed with NHTSA by Chevrolet and GMC, covering 8 Chevrolet and GMC models across the 2021–2022 model years. NHTSA's summary reads: Emission Recall. Fuel Pump Power Control Module. Additional VINs Moved to ‘Open’ Status
Which vehicles does N252516900 cover?
NHTSA's file names Chevrolet Blazer (2021); Chevrolet Camaro (2021); Chevrolet Equinox (2021–2022); Chevrolet Malibu (2021); Chevrolet Suburban (2021); GMC Acadia (2021–2022); GMC Terrain (2021–2022); GMC Yukon (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 N252516900 a recall, and is the repair free?
No. N252516900 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 N252516900?
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 N252516900, 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 N252516900. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.