Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information PSM-U019900

Condition
The Power seat module (PSM) is continuously supplied with necessary information from the Driver door module (DDM) via the controller area network (CAN). The Power seat module (PSM) checks the communication with the Driver door module (DDM).
The diagnostic trouble code (DTC) is stored if the control module detects that:
- No communication with the control module.
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
- Fault-trace in transmitting control module.

Fault symptom[s]
- Automatic adjustment of power seat/outer mirror does not work