Diagnostic Trouble Code (DTC) Information AEM-6C54

Condition 

Fig 1: Accessory Electronic Module

Courtesy of VOLVO CARS OF NORTH AMERICA.

The diagnostic trouble code (DTC) is stored if the control module registers that the signal is too low or there is an open-circuit in the signal cable for alarm output S0.

The diagnostic trouble code (DTC) can be diagnosed when the ignition is on and alarm output S0 is not activated.

Substitute Value 

• None.

Possible Source 

• Short-circuit to ground in signal cable alarm output S0
• Open-circuit in signal cable alarm output S0
• Damaged alarm.

Fault symptom[s] 

• The alarm does not function at all.