Maximum permitted speed exceeded
â–¶ How to fix
Check that the maximum permitted speed is correctly set in the tachograph. To change the maximum permitted speed in the tachograph, refer to Workshop Manual, 17-10 TCO, Adjust – Digital tachograph, Test instrument, Calibrate.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
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Possible cause
The fault code is set when the vehicle has exceeded the set maximum permitted speed in the tachograph for more than 45 seconds.