CAN signal TCO1 TachoOutputShaftSpeed received as Error
â–¶ How to fix
Check DTCs in tachograph.
What you'll see
No driver-visible symptom recorded.
System reaction
Minor reducement of gear shifting performance possible.
Diagnostic depth
Detection
ECU indicating error in signal "tacho output shaft speed".
Possible cause
Tachograph is stating that the output shaft speed has an error.