Diagnostic trouble code (DTC) information CEM-4F01

Condition 

Fig 1: Identifying Control Stalk

Courtesy of VOLVO CARS OF NORTH AMERICA.

The diagnostic trouble code (DTC) is stored if the central electronic module (CEM) registers that the read button on the control stalk has been active for more than 60 seconds.

The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Substitute Value 

• None.

Possible Source 

• The read button has been pressed in for more than 60 seconds
• The read button has jammed in the pressed in position.

Fault symptom[s] 

• Text messages on the driver information module (DIM) cannot be erased.