Replacing the Component

The central electronic module (CEM) has registered an internal fault in the light switch module (LSM).

If the fault is intermittent, it has been registered previously but is no longer present. Intermittent faults can be caused by interference at start up of the central electronic module (CEM) or may be a different type of fault which occurs on different occasions. The fault is evaluated depending on how it occurs. If the fault recurs, replace the light switch module (LSM).

See Switches Lights, Replacing

Remedy as necessary.

Fig 1: Identifying Light Switch Module (LSM)

Courtesy of VOLVO CARS OF NORTH AMERICA.

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