Diagnostic trouble code (DTC) information ECM-5200

Condition 

Fig 1: Identifying Air Conditioning (A/C) Pressure Sensor

Courtesy of VOLVO CARS OF NORTH AMERICA.

The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the pressure in the air conditioning (A/C) system has not increased for a certain time following activation of the air conditioning (A/C) compressor.

The diagnostic trouble code (DTC) can be diagnosed while the engine is running and air conditioning (A/C) control is active.

Substitute Value 

• None.

Possible Source 

• Damaged A/C pressure sensor
• Low pressure in the air conditioning (A/C) system.

Fault symptom[s] 

• The air conditioning (A/C) system does not operate.