B1630 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1630 – PRNDL Reverse Input Short Circuit To Ground

 

B1630 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1630 Possible Causes

 

Faulty PRNDL Switch,PRNDL Switch harness is open or shorted,PRNDL Switch circuit poor electrical connection,Faulty Body Control Module (BCM)

 

B1630 Description

 

The Body Control Module (BCM) monitors the PRNDL Switch. The BCM sets the OBDII code when the PRNDL Switch is not to factory specifications.