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Home › Cadillac › 2018 › CT6 Plug-In › Repair and Diagnosis › Transmission › Automatic Trans › Shift Lock Control System › Diagnostic Information and Procedures › DTC B270B › Conditions for Running the DTC

Conditions for Running the DTC

Ignition ON / Vehicle in Service Mode.
Brake pedal is applied.
Transmission is in the PARK position.
DTC runs continuously once the above conditions are met.