- Faulty Mirror Driver Down Motor
- Mirror Driver Down Motor harness is open or shorted
- Mirror Driver Down Motor circuit poor electrical connection
- Faulty Body Control Module (BCM)
- Engine Light ON (or Service Engine Soon Warning Light)
B1778 DescriptionThe Body Control Module (BCM) monitors the Mirror Driver Down Motor. The BCM sets the OBDII code when the Mirror Driver Down Motor is not to factory specifications.
B1778 Information for specific makes
- B1778 NISSAN Trunk Open Output Signal
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