Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information PSM-B1B9824

Condition
Control M4+ controls the angle of the seat upwards.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- The control is activated longer than 60 seconds.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Control module supplied with power.

Note! The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.





Substitute value
- None.

Possible source
- Control M4+ has jammed in the depressed position.
- Damaged control panel.

Fault symptom[s]
- Degenerated seat function
- Height adjustment of seat does not operate