Diagnostic Trouble Code (DTC) Information CEM-2E03
Condition
The Central electronic module (CEM) checks the output signal to the relay coil for relay, comfort.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Signal too low from the output.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Activated relay.
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
- Damaged relay.
- Short-circuit to ground in the relay driver circuit.
- Open-circuit in the relay coil.
Fault symptom[s]
- Blower fan/Does not work
- Climate control system/Unusual odor
- Battery/Weak or low electrical power