This Preliminary Information communication provides information to the technician about a service column lock message. Technician will find diagnostic trouble code B2897 symptom 05 set as history. Any of the follow scenarios could set the code.
1. Power mode is OFF, OPEN the Driver Door, then press the Ignition Switch within 100ms (power mode changes to ACC or RUN).
2. Power mode is ACC or RUN, the Driver Door is OPEN, then change power mode to OFF, and close the Driver Door within 300ms.
3. Power mode is OFF, then OPEN and CLOSE the Driver Door quickly?in less than 300ms.
If these are ruled out as the cause of the code or it is set current follow normal service information diagnostics. If the scenarios are the cause of the concern this is a normal operation, communicate to the customer that General Motors is working on a solution for this concern.