CAN signal TCO1 TCOVehSpeed received as Error.
â–¶ How to fix
Check DTCs in tachograph.
What you'll see
No symptom.
System reaction
Functions in TMS using the tachograph speed (such as cruise control, adaptive cruise control, downhill cruise control, speed limiter) will be shut off.
Diagnostic depth
Detection
ECU indicating error in signal "tacho vehicle speed".
Possible cause
Tachograph is stating that the vehicle speed has an error.