That DTC B2002:49 [BODY CONTROL MODULE (BCM)
Mazda technical service bulletin 09-011-21-3789 for 2019-2020 Mazda MAZDA3 and 2020 Mazda CX-30.
- Bulletin number
- 09-011-21-3789
- Component
- Electrical system
- Summary
- Some vehicles (equipped with the Electrical supply unit (ESU) BCKA-67-5Z0B) may exhibit that DTC B2002:49 [BODY CONTROL MODULE (BCM) - Electrical supply unit (ESU) internal malfunction (No warning/indicator light ON)] will not clear with the Mazda Modular Diagnostic System (M-MDS). This is caused by improper control software of the ESU. To eliminate this concern, the control software of the ESU has been modified.
Owners of these vehicles have filed 19 complaints in the electrical category.
Vehicles covered
- Mazda MAZDA3 2019-2020 20192020
- Mazda CX-30 2020 2020
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