Time / Date error
â–¶ How to fix
Check UTC time on the tachograph and use a test device to correct if needed. Check the "Time" function of the tachograph. If the error message continues to appear despite these measures, replace the tachograph.
What you'll see
Display "time fault"
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
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Possible cause
The clock has stopped or is advancing incorrectly. An internal cyclical test has determined that the time is not plausible.