TSB SA-027-26 — Mazda Service bulletin
SA-027-26 is a service bulletin on file with NHTSA for 4 Mazda models, 2020–2026 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This SA supersedes the previously issued bulletin(s) listed below. The changes are noted below in Red. SA-007/25 10/22/25, 06/02/25 and 02/03/25 DESCRIPTION The Mazda DCA-8000 is required for all warranty battery testing. If the Mazda DCA-8000 is not used, incorrect battery…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years SA-027-26 names
| Vehicle | Model years |
|---|---|
| Mazda CX-5 | 2020, 2021, 2022, 2023, 2024, 2025 |
| Mazda CX-9 | 2020, 2021, 2022, 2023 |
| Mazda Mazda3 | 2020, 2021, 2022, 2023, 2024, 2025, 2026 |
| Mazda Mazda6 | 2020, 2021 |
Every document filed under SA-027-26
| Document ID | Filed | Type |
|---|---|---|
| SA-027-26 | April 15, 2026 | Service bulletin |
What SA-027-26 covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB SA-027-26?
SA-027-26 is a service bulletin filed with NHTSA by Mazda, covering 4 Mazda models across the 2020–2026 model years. NHTSA's summary reads: This SA supersedes the previously issued bulletin(s) listed below. The changes are noted below in Red. SA-007/25 10/22/25, 06/02/25 and 02/03/25 DESCRIPTION The Mazda DCA-8000 is required for all warranty battery testing. If the Mazda DCA-8000 is not used, incorrect battery…
Which vehicles does SA-027-26 cover?
NHTSA's file names Mazda CX-5 (2020–2025); Mazda CX-9 (2020–2023); Mazda Mazda3 (2020–2026); Mazda Mazda6 (2020–2021). 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 SA-027-26 a recall, and is the repair free?
No. SA-027-26 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 SA-027-26?
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 SA-027-26, 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 SA-027-26. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.