Tachograph
â–¶ How to fix
Clear the fault code. Disconnect the power to the tachograph. Switch on the power again. If the fault code recurs, renew the tachograph.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Incorrect or unreliable data.
Possible cause
Internal fault in the tachograph.