Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information PSM-B1B8813

Condition
Motor 1 controls the front-rear adjustment of the seat.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- The direct voltage to motor 1 is 12 V.
- Motor 1 does not move.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Motor 1 activated.
- 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
- Open-circuit in signal cable M1+.

Fault symptom[s]
- Lengthwise adjustment does not work