B1A7C Code: Meaning, Causes, and Symptoms | OBD2 Codes
B1A7C – Electronic Steering Column Lock Control General Electrical Failure
B1A7C Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
B1A7C Possible Causes
Faulty Ignition Key-In,Ignition Key-In harness is open or shorted,Ignition Key-In circuit poor electrical connection,Faulty Steering Column Lock Module (ELV),Faulty Radio Frequency Hub (RF-Hub)
A Short to Ground condition is only detected when the Steering Column Lock is active. A Short to Battery condition is only detected when the Steering Column Lock is deactivated. Either of these conditions will set this code.