DTC B100D-77: Column Lock Authorization - Commanded Position Not Reachable: Action
- Turn the steering wheel to ensure that the electric steering column lock mechanism is free to move. Using the manufacturer approved diagnostic system, clear the DTCs and retest
- Using the manufacturer approved diagnostic system, perform a CAN network integrity test. Refer to the electrical circuit diagrams and check the high speed CAN bus (body) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary
- Using the manufacturer approved diagnostic system, clear the DTCs and perform routine - On Demand Self Test. If the fault persists, install a new electric steering column lock control module