MAZDA
SA-012-26
Manufacturer communications
- Publication date
- 2026-02-27
- Received by NHTSA
- 2026-03-04
- NHTSA record numbers
- 11029531
Manufacturer summary
Original wording in English
This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-060/25 12/16/25 Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the instrument cluster. Additional symptoms that may occur: Connected Vehicle One Time Passcode (OTP) may fail. Connected Vehicle Remote functions may fail. The following DTC's may be stored: B1252:87-8B:TCU - COMMUNICATION ERROR WITH CONNECTIVITY MASTER UNIT (CMU) U0198:00-03:CMU - COMMUNICATION ERROR WITH EMERGENCY CALL UNIT/TELEMATICS COMMUNICATION UNIT
Reported code forms
Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Mazda | CX-30 | 2026 |
| Mazda | CX-30 | 2025 |
| Mazda | CX-30 | 2024 |
| Mazda | CX-50 | 2026 |
| Mazda | CX-50 | 2025 |
| Mazda | CX-50 HYBRID | 2026 |
| Mazda | CX-50 HYBRID | 2025 |
| Mazda | CX-70 | 2026 |
| Mazda | CX-70 | 2025 |
| Mazda | CX-70 PLUG-IN HYBRID | 2026 |
| Mazda | CX-70 PLUG-IN HYBRID | 2025 |
| Mazda | CX-90 | 2026 |
| Mazda | CX-90 | 2025 |
| Mazda | CX-90 | 2024 |
| Mazda | CX-90 PLUG-IN HYBRID | 2026 |
| Mazda | CX-90 PLUG-IN HYBRID | 2025 |
| Mazda | CX-90 PLUG-IN HYBRID | 2024 |
| Mazda | MAZDA3 | 2026 |
| Mazda | MAZDA3 | 2025 |
| Mazda | MAZDA3 | 2024 |