Operator's Guide
Basic diagnostics (service menu)
Trailer warning lamp 'on'
Observe the trailer warning lamp.
The warning lamp should display what has been set
in the 'lamp setting' section of the ECU Setup.
Note: If the trailer warning lamp comes 'on' and stays
'on' there are diagnostic trouble codes (DTC) present
which need to be cleared or the system air pressure is
below 4.5 bar.
Click on the 'Service' button on the main screen then
Click on the 'DTC's' button to show any active or
stored DTC's.
If there are no DTC's detected the following
screen will appear.
2022
DIAG++
DIAG++
Innovative Vehicle Solutions
27
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