Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information CEM-B108A24

Condition
At the start button there are two switches to indicate the button's position. Switch 1 is directly connected to Central electronic module (CEM) and to Engine control module (ECM). Breaker 2 is a directly connected control signal to central electronic module (CEM). Both switches shall close when the start button is pressed in.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Both switches have been closed for more than two minutes.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Pressing of start button.

Note! The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.





Substitute value
- None.

Possible source
- Button has jammed in the pressed in position.
- The start button has been held down for more than two minutes.
- Damaged switch.
- Internal error in antenna unit ignition (IAU).

Fault symptom[s]
- Engine fails to start
- Engine fails to stop