Diagnostic Trouble Code (DTC) Information AEM-E010

Condition 

Fig 1: Accessory Electronic Module

Courtesy of VOLVO CARS CORPORATION

The diagnostic trouble code (DTC) is stored if the control module registers that the power supply to the accessory electronic module (AEM) differs by more than 2 V from the power supply to the central electronic module (CEM).

The diagnostic trouble code (DTC) can be diagnosed when the ignition is on.

Substitute Value 

• None.

Possible Source 

• Open-circuit or short-circuit to ground in the 30-supply for the accessory electronic module (AEM)
• Contact resistance, oxidation or loose connections in the 30-supply to the accessory electronic module (AEM).

Fault symptom[s] 

• Accessories connected to the control module do not function.