New Holland 5005 – XCM, DR Module, or DS Module: Rear PTO Brake Switch Open Circuit

The control system has detected a loss of electrical connection (open circuit) in the rear Power Take-Off (PTO) brake switch circuit. This indicates a break in the wiring, a disconnected connector, or a faulty switch, which prevents the control module from receiving the correct signal about the PTO brake status and may prevent proper operation of the rear PTO brake system.

• T6010
• T6020
• T6030
• T6040
• T6050
• T6060
• T6070
• T7.220
• T7.235
• T7.250
• T7.260
• T7.270
• MXM Series
• TM Series

1. 1

   Visually inspect the rear PTO brake switch connector (C118 or X067) and the central controller (XCM) connector (C537) to ensure they are securely fastened, free of corrosion or damage, and that pins are correctly seated

2. 2

   Disconnect the battery and perform a continuity test on the wiring harness using a multimeter to check for breaks in the electrical path

3. 3

   Test the switch functionality directly by disconnecting connector C118 and checking continuity at the switch's pins (specifically the component side of connector C118 at pin 3)

1. 1

   Verify the fault

   Confirm that the fault code 5005 is active in the tractor's control module.

2. 2

   Perform diagnostic checks

   Follow the diagnostic checks listed above to isolate the point of failure.

3. 3

   Repair or replace connectors

   If a connector is loose, damaged, or corroded, clean or replace it as necessary and ensure a secure connection.

4. 4

   Repair wiring harness

   If the wiring harness is found to have an open circuit (a break in a wire), repair the affected wire or replace the harness section. For T7 series tractors, the relevant wires at the switch connector (identified as X067) are wire TN 2120 (PTO Brake Signal) and GN 2050 (PTO Supply).

5. 5

   Replace PTO brake switch

   If the diagnostic checks confirm that the switch itself is faulty (no continuity when it should have it), the switch must be replaced.

6. 6

   Clear fault codes

   After the repair is complete, reconnect the battery, start the tractor, and use the appropriate diagnostic tool or dashboard procedure to clear the stored fault codes.

7. 7

   Verify repair

   Operate the rear PTO system to ensure that the fault code does not reappear and that the PTO brake functions correctly.