Diagnostic Trouble Code (DTC) Information CEM-2E01

Condition 

Fig 1: Identifying Central Electronic Module (CEM)

Courtesy of VOLVO CARS CORPORATION

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