Signal Missing

Signal missing

Checking the function of the power seat module (PSM)
Check the function of the power seat module (PSM) by operating the seat using the controls.





Can the seat be operated?

Yes - Checking communication with the power seat module (PSM)

No - Checking the power supply and ground terminals

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Checking the power supply and ground terminals
Check that the fuse for the control module is intact.
Check the power supply and ground terminal for the power seat module (PSM) as follows.
Remedy as necessary.

Other information:
- Power seat module (PSM): Checking ground points Checking Ground Terminals, Power Seats
- For information about fuse and terminal numbers, see the relevant Wiring Diagram.
- Checking wiring and terminals Checking Wiring and Terminals

Was a fault detected?

Yes - Checking the function of the power seat module (PSM)

No - Signal Missing - General Information

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Checking communication with the power seat module (PSM)

Hint: The CAN communication with the control module is probably OK if the control module ID can be read off. The fault is probably intermittent and may therefore be difficult to locate.




- Try to communicate with the passenger seat module (PSM) by reading off the control module ID
- Click on the symbol for VCT2000 to begin reading off

Continue - Signal Missing - General Information

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Checking the function of the power seat module (PSM)

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reconnect the connectors. Reinstall the components
- Ignition on.
Check the function of the control module by operating the seat using the controls.
Also check the memory function of the seat, that the seat position can be programmed, recalled and that automatic setting of the seat and door mirrors occurs when the car is unlocked using the remote control.

Can the seat be operated?

Yes - FAULT FOUND

No - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit Fault-tracing

No - Attempt New Test

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Attempt New Test - Checking the function of the power seat module (PSM)

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