TSB 01-003-26A — Mazda Service bulletin
01-003-26A is a service bulletin on file with NHTSA for 2 Mazda models, 2023–2025 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text. 01-003/26 01/30/26 Some vehicles may exhibit a check engine light ON with DTC P20F8:00 stored. P20F8:00 - Swirl control circuit range/performance problem. In these cases,…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 01-003-26A names
| Vehicle | Model years |
|---|---|
| Mazda CX-5 | 2024, 2025 |
| Mazda Mazda3 | 2023, 2024, 2025 |
Every document filed under 01-003-26A
| Document ID | Filed | Type |
|---|---|---|
| 01-003-26a | May 1, 2026 | Service bulletin |
What 01-003-26A covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 01-003-26A?
01-003-26A is a service bulletin filed with NHTSA by Mazda, covering 2 Mazda models across the 2023–2025 model years. NHTSA's summary reads: This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text. 01-003/26 01/30/26 Some vehicles may exhibit a check engine light ON with DTC P20F8:00 stored. P20F8:00 - Swirl control circuit range/performance problem. In these cases,…
Which vehicles does 01-003-26A cover?
NHTSA's file names Mazda CX-5 (2024–2025); Mazda Mazda3 (2023–2025). 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 01-003-26A a recall, and is the repair free?
No. 01-003-26A 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 01-003-26A?
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 01-003-26A, 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 01-003-26A. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.