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DTC B100D-94: Column Lock Authorization - Unexpected operation: Action
- Using the manufacturer approved diagnostic system, check datalogger signal - Main ECU Voltage Supply (0xDD02). Refer to the relevant service information and test the battery and charging system
- Turn the steering wheel to ensure that the electric steering column lock mechanism is free to move and locking bolt is not restricted. 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 appropriate system wiring diagrams and check the high speed CAN bus (powertrain) circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Using the manufacturer approved diagnostic system, clear the DTCs. Perform routine - On Demand Self Test (0x0202). If the fault persists, install a new electric steering column lock control module