New Holland 3956 – ENGINE: COM1 Output Short to Battery or TWV1 or 3 Output Short to Battery

The fault code indicates a short circuit in the COM1 output or in the TWV1 or TWV3 output to the battery. This may cause electrical system malfunctions or damage.

1. 1

   COM1 output wiring for damage or contact with battery

2. 2

   TWV1 output wiring for damage or contact with battery

3. 3

   TWV3 output wiring for damage or contact with battery

1. 1

   Inspect

   Inspect the wiring for COM1 output for any damage, fraying, or contact with the battery.

2. 2

   Inspect

   Inspect the wiring for TWV1 output for any damage, fraying, or contact with the battery.

3. 3

   Inspect

   Inspect the wiring for TWV3 output for any damage, fraying, or contact with the battery.