Diagnostic trouble code (DTC) information

Condition 

Diagnostic trouble code (DTC) AEM-7A10 is stored if the control module registers that the signal is too low or there is an open-circuit in the signal cable (carphone mute) for the radio.

The diagnostic trouble code (DTC) can be diagnosed when the ignition is on and the signal cable (carphone mute) is not activated.

Substitute Value 

• None.

Possible Source 

• Short-circuit to ground in the signal cable (carphone mute) for the radio
• Open-circuit in the signal cable (carphone mute) for the radio
• Defective radio.

Fault symptom[s] 

• Carphone mute on the radio does not function.