Diagnostic trouble code information

Condition 

Fig 1: Identifying Engine Coolant Temperature Sensor

Courtesy of VOLVO CARS OF NORTH AMERICA.

If the water temperature sensor circuit is short-circuited to ground, the control unit will interpret this as a fault and diagnostic trouble code CEM-5F32 will be set.

Substitute Value 

• None.

Possible Source 

• Signal wire short-circuited to ground.
• Defective water temperature sensor.

Fault symptom[s] 

• Poor interior heating.