Diagnostic Trouble Code (DTC) Information AEM-6C53

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 signal is too high on the signal cable for alarm output P1.

The diagnostic trouble code (DTC) can be diagnosed when the ignition is on and alarm output P1 is activated.

Substitute Value 

• None.

Possible Source 

• Short-circuit to supply voltage in the signal cable for alarm output P1
• Damaged alarm.

Fault symptom[s] 

• The alarm does not function at all.