DTC B100D-85: Column Lock Authorization - Signal above allowable range: Action

NOTE: Prior to clearing this DTC, perform routine - Vehicle Reset.

Using the manufacturer approved diagnostic system, check the anti-lock brake system control module for related DTCs and refer to the relevant DTC index
Using the manufacturer approved diagnostic system, perform a CAN network integrity test. Refer to the relevant 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