Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information FSM-U201A51

Condition
Forward Sensing Module (FSM) checks the software in the control module. The control module is pre-loaded with standard files from the factory. After replacing control module, new software must be downloaded.

- The DTC is initially set and erased first after completed software download.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Ignition switch position II.
- 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

- Faulty software.

Fault symptom[s]
- None.