Vehicle speed
â–¶ How to fix
Troubleshoot via the tachograph (TCO).If the vehicle is not equipped with a tachograph, troubleshoot via the coordinator (COO).
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The BCS control unit has received a CAN message concerning an incorrect signal for the vehicle speed.
Possible cause
The fault code has been generated because a primary fault code has been generated in another control unit.