- Faulty PRNDL Switch
- PRNDL Switch harness is open or shorted
- PRNDL Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
- Engine Light ON (or Service Engine Soon Warning Light)
B1629 DescriptionThe Body Control Module (BCM) monitors the PRNDL Switch. The BCM sets the OBDII code when the PRNDL Switch is not to factory specifications.
B1629 Information for specific makes
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