Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information FSM-U1A0088

Condition
Forward Sensing Module (FSM) communicates with forward-sensing radar.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- No communication with the forward facing radar.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Control module supplied with power for at least 5 seconds.

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

- Contact resistance, oxidation or open-circuit in the terminals.

Fault symptom[s]
- 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
- PD, Brake pedal/Excessive "brake pedal effort" required
- IV, Text window and warning symbol/Text message
- 5B, Road Sign Information (RSI)/Does not work
- 5A, Lane Keeping Aid (LKA)/Does not work