MAZDA
09-011-21-3789
Manufacturer communications
- Publication date
- 2021-03-12
- Received by NHTSA
- 2021-04-05
- NHTSA record numbers
- 10189827
Manufacturer summary
Original wording in English
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.
Reported code forms
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