Diagnostic Trouble Code (DTC) Information

Condition 

Fig 1: Identifying Engine Control Module (ECM)

Courtesy of VOLVO CARS CORPORATION

The engine control module (ECM) has integrated control systems for detecting internal faults. The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers a fault in the internal voltage references.

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

Substitute Value 

None.

Possible Source 

• Damaged engine control module (ECM).

Fault symptom[s] 

• Malfunction indicator lamp (MIL) lit.