Some customers may experience a message "TCU Malfunction
Mazda technical service bulletin SA-060-25 for 2025-2026 Mazda MAZDA3, 2025-2026 Mazda CX-90 and 2025-2026 Mazda CX-30 and others.
- Bulletin number
- SA-060-25
- Component
- Electrical system
- Summary
- Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the instrument cluster. 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
Owners of these vehicles have filed 35 complaints in the electrical category.
Vehicles covered
- Mazda MAZDA3 2025-2026 20252026
- Mazda CX-90 2025-2026 20252026
- Mazda CX-30 2025-2026 20252026
- Mazda CX-50 2025-2026 20252026
- Mazda CX-70 2025-2026 20252026
- Mazda CX-50 Hybrid 2025-2026 20252026
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