Valtra E066: Transmission Electronic Control Unit Supply Voltage is Under 9V

The supply voltage for the Transmission Electronic Control Unit is below the minimum required level of 9V, which may cause improper operation or failure of the transmission system.

1. 1

   The battery voltage when the engine is off and when running

2. 2

   The wiring and connections to the Transmission Electronic Control Unit

3. 3

   The power supply circuit for the Transmission Electronic Control Unit

1. 1

   Check the battery voltage

   Measure the battery voltage with a multimeter when the engine is off and when running to ensure it is within the specified range.

2. 2

   Inspect the wiring and connections

   Check for loose, damaged, or corroded wiring and connections related to the Transmission Electronic Control Unit.

3. 3

   Test the power supply circuit

   Use a multimeter to test the voltage at the Transmission Electronic Control Unit to confirm it is receiving sufficient power.