Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition
Diagnostic trouble code (DTC) AEM-5F22 is stored if the control module registers that the signal is too low in the signal cable from the remote start unit for more than 3 seconds, when the function is activated. The function is activated when the remote start unit receives a start signal from an external transmitter.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is on.

Substitute value
- None.

Possible source
- Short-circuit to ground in the signal cable for the remote start unit
- Defective remote start unit.

Fault symptom[s]
- The parking heater does not operate.