Diagnostic Trouble Code (DTC) Information ECM-P052548

Condition 

The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers an internal fault when the cruise control is active.

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

Fig 1: Identifying Engine Control Module (ECM)

Courtesy of VOLVO CARS CORPORATION

Substitute Value 

• Cruise control is disengaged when the fault is active.

Possible Source 

• Damaged engine control module (ECM).

Fault symptom[s] 

• Cruise control does not operate