DTC B1131-87: Communication Error With Windshield Wiper Motor [Body Control Module (BCM)]: Outline
DTC B1131:87 - BODY CONTROL MODULE (BCM) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Communication error with windshield wiper motor |
| Detection condition |
- The body control module (BCM) cannot receive the signals from the windshield wiper motor.
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| Fail-safe |
Not applicable |
| Possible cause |
- Windshield wiper motor connector or terminal malfunction
- Body control module (BCM) connector or terminal malfunction
- Short to ground in windshield wiper motor LIN communication line
- Open circuit in windshield wiper motor LIN communication line
- Windshield wiper motor malfunction
- Body control module (BCM) malfunction
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 Courtesy of MAZDA MOTORS CORP.
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