UEM-000A

Condition

If the upper electronic module registers that there is no signal on the mass movement sensor supply wire when the alarm is switched off and ignition in position I or II, diagnostic trouble code UEM-000A is displayed.

Substitute value

- Nothing.

Possible source

- A faulty contact at sensor side and/or at control unit side.
- Open circuit on level sensor voltage supply.
- Faulty sensor.

Fault symptom[s]

- No alarm from sensor.