PSM-0020

Condition

The M1+ button must be activated before the diagnostic trouble code (DTC) can be detected. Diagnostic trouble code (DTC) PSM-0020 is stored if button M1+ has been activated for longer than 60 seconds.

Possible source

- Button M1+ has jammed in the depressed position.
- Defective control panel.

Fault symptom[s]

- The operation button does not function.