CLAAS 7641h – Claas Tr2 A57 2 Transmission Module: Powerboost Not Available in Gear Positions C and D

During operation, Powerboost is only available in gear positions C and D. The cause is identified as the Engine speed sensor 1 of 2 being disconnected. The tractor will return to normal mode once the fault is resolved.

1. 1

   Engine speed sensor 1 of 2 connection

2. 2

   Engine speed sensor 1 of 2 functionality

1. 1

   Inspect

   Inspect the connection of the Engine speed sensor 1 of 2 for any disconnections or damage.

2. 2

   Test

   Test the Engine speed sensor 1 of 2 for proper functionality using the appropriate diagnostic tools.

3. 3

   Reconnect or Replace

   If the sensor is disconnected, reconnect it. If it is faulty, replace it with a compatible component.