Diagnostic Trouble Code (DTC) Information CEM-8F02

Condition 

Fig 1: Identifying Steering Wheel Control Module

Courtesy of VOLVO CARS OF NORTH AMERICA.

The central electronic module (CEM) checks the turn signal lamps.

The diagnostic trouble code (DTC) is stored if the central electronic module (CEM) registers that there is no signal or a low signal in the circuit for the left-hand turn signal lamp.

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

Substitute Value 

• If the fault has been detected in 100 ignition cycles, the output is closed permanently until the diagnostic trouble code is erased (applies from structure week 200539).

Possible Source 

• Short-circuit to ground in the circuit for the left-hand turn signal lamp
• Open-circuit in the circuit for the left-hand turn signal lamp.

Fault symptom[s] 

• The turn signal lamps do not work.