7F12h

CLAAS 7F12h: Bridge Transmission Error Over the J1939 CAN Bus Network

Issue description

A bridge transmission error has occurred over the J1939 CAN Bus network. This error is caused by a short-circuit on the supply of the J1939 CAN Bus. The tractor will return to normal mode once the error is resolved.

Check the cause

  1. The J1939 CAN Bus network for any signs of damage or interference

  2. The supply line of the J1939 CAN Bus for a short-circuit

  3. Connections and wiring related to the J1939 CAN Bus

Repair steps

  1. Inspect

    Inspect the J1939 CAN Bus network for physical damage, loose connections, or signs of interference.

  2. Test

    Test the supply line of the J1939 CAN Bus for a short-circuit using appropriate diagnostic tools.

  3. Repair

    If a short-circuit is found, repair or replace the affected section of the J1939 CAN Bus supply line.

Parts you might need

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