Tachograph
â–¶ How to fix
Clear the fault code. Switch off the power supply to the tachograph. Switch on the power to the tachograph 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.