Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information FSM-C1A6797

Condition
Forward Sensing Module (FSM) communicates with forward-sensing radar.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Forward sensing radar detects that the unit is/has been blocked or hidden by, e.g., heavy rain or wet snow.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Vehicle speed exceeds 30 km/h.

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

Note! Forward facing radar must not be replaced.

- Forward sensing radar is/has been blocked or hidden by, e.g., heavy rain or wet snow on the surface in front of the radar.

Fault symptom[s]
- IV, Text window and warning symbol/Text message
- Collision avoidance driver support; No Functionality
- AQ, Cruise control/Does not engage
- 1T, Warning lights and chimes/Front monitoring/Active safety indication/no indication
- CJ, Warning lights and chimes/Bulb failure indication/no indication