PSM-0023

Condition
The M2- button must be activated before the diagnostic trouble code (DTC) can be detected. Diagnostic trouble code (DTC) PSM-0023 is stored if button M2- has been activated for longer than 60 seconds.

Possible source
- Button M2- has jammed in the depressed position.
- Defective control panel.

Condition
- The operation button does not function.