Diagnostic Trouble Code (DTC) Information CEM-2E01

Condition 

Fig 1: Identifying Central Electronic Module (CEM)

Courtesy of VOLVO CARS OF NORTH AMERICA.

The diagnostic trouble code (DTC) is generated if the Central Electronic Module (CEM) registers that the horn relay is short-circuited to ground.

The diagnostic trouble code (DTC) can be diagnosed at key positions I and II.

Substitute Value 

• None.

Possible Source 

• Damaged relay.

Fault symptom[s] 

• Horn/Does not work