DTC U2628-14: Electrical Supply Unit (ESU) Power Supply Circuit (B1+) Malfunction [(BCM)]: Outline
DTC U2628:14 (BODY CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Electrical supply unit (ESU) power supply circuit (B1+) malfunction |
| Detection condition |
- The electrical supply unit (ESU) detects an open circuit or short to ground in the power supply circuit (B1+).
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| Fail-safe |
Not applicable |
| Possible cause |
- Electrical supply unit (ESU) connector or terminal malfunction
- Short to ground or open circuit in electrical supply unit (ESU) power supply circuit (B1+)
- Electrical supply unit (ESU) malfunction
- Body control module (BCM) malfunction
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 Courtesy of MAZDA MOTORS CORP.
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