C1691 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C1691 – Back Camera Initialization Incomplete
C1691 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C1691 Possible Causes
Height control sensor vehicle height difference setting,Rear television camera optical axis adjustment,Faulty Parking Assist ECU
This Diagnostic Trouble Code (DTC) is stored when the Parking Assist ECU judges that the back camera initial setting has not been memorized (rear television camera optical axis adjustment is incomplete).