Diagnostic Trouble Code (DTC) Information CEM-8F01

Condition 

Fig 1: Locating Switch For Hazard Warning Signal Flashers

Courtesy of VOLVO CARS OF NORTH AMERICA.

The central electronic module (CEM) checks the signal from the hazard warning signal flasher switch.

The diagnostic trouble code (DTC) is stored if the central electronic module (CEM) registers that the signal is too high or that there is no signal.

The diagnostic trouble code (DTC) can be diagnosed in ignition positions I or II.

Substitute Value 

• None.

Possible Source 

• Short-circuit to supply voltage in the signal cable
• Open-circuit in the signal cable.

Fault symptom[s] 

• The hazard warning signal flashers are not functioning.