Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information CEM-B1D3819
Condition
The central electronic module (CEM) communicates with the wiper motor module (WMM). The wiper motor module (WMM) checks the windshield wipers.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Windshield wiper's power consumption is too high.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Control module supplied with power.
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
- The windscreen wiper has jammed or runs slowly, for example due to snow or a dry windscreen.
Fault symptom[s]
- Windshield wiper/Automatic wiping (rain sensor) problems
- Windshield wiper/Does not work