AEM-6C56

Condition

Diagnostic trouble code (DTC) AEM-6C56 is stored if the control module registers that the signal is too high in signal cable alarm output S1.

The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on and alarm output S1 is activated.

Substitute value

- Alarm output S1 is switched off until the next time the ignition is switched on.

Possible source

- Short-circuit to ground in signal cable alarm output S1.
- Defective alarm.

Fault symptom[s]

- The alarm does not function at all.