Rotation speed measurement at engine
â–¶ How to fix
Check sensor. Check voltage. Check plugs, plug contacts, plug connections and cabling. Change transmission control unit and send it to Voith customer service for diagnosis.
What you'll see
No driver-visible symptom recorded.
System reaction
Limited driving operation. Transmission control unit switches into the operational status neutral, forced neutral or waiting for neutral. Shifting or shifting quality affected.
Diagnostic depth
Detection
Sensor voltage too low. If the sensor voltage drops below 4.5V, the speed sensor signal cannot be processed anymore.
Possible cause
Internal control unit defect of the E300.1 hardware. Low-resistive connection (short circuit). Sensor defective.