DTC B1C84:12 [Front Body Control Module (FBCM)]: Notes
DTC B1C84:12 (FRONT BODY CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSES
| Description |
Rear window defogger relay circuit malfunction |
| Detection condition |
- Front body control module (FBCM) detects a short to power supply in the rear window defogger relay circuit with the ignition switched ON (engine off or on).
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| Fail-safe function |
Not applicable |
| Possible cause |
- Rear window defogger relay malfunction
- Front body control module (FBCM) connector or terminal malfunction
- Short to power supply in wiring harness between rear window defogger relay terminal E and front body control module (FBCM) terminal 1P
- Front body control module (FBCM) malfunction
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