FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Diagnostic Trouble Code (DTC) Information






Diagnostic trouble code (DTC) information CEM-4F00

Condition




The diagnostic trouble code (DTC) is stored if the central electronic module (CEM) registers that the reset 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 reset button has been pressed in for more than 60 seconds
- The reset button has jammed in the pressed in position.

Fault symptom[s]
- The parking heater does not operate
- The reset button does not function.