Diagnostic Trouble Code (DTC) Information CEM-8F14

Condition 

Fig 1: Identifying Light Switch Module (LSM)

Courtesy of VOLVO CARS CORPORATION

The central electronic module (CEM) communicates with the light switch module (LSM).

The diagnostic trouble code (DTC) is stored if the central electronic module (CEM) receives information from the light switch module (LSM) indicating that the signal from the headlamp beam height control is too low.

The diagnostic trouble code (DTC) can be diagnosed at ignition switch position II.

Substitute Value 

• None.

Possible Source 

• Damaged controller in the light switch module (LSM).

Fault symptom[s] 

• Beam height control does not function.