Diagnostic trouble code (DTC) information
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Condition
Diagnostic trouble code (DTC) AEM-5F23 is stored if the control module registers that the signal is too high in the signal cable from the remote start unit.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is on.
Substitute Value
- None.
Possible Source
- Short-circuit to supply voltage in the signal cable for the remote start unit
- Defective remote start unit.
Fault symptom[s]
- The parking heater does not operate.