New Holland 14010 – ICU: PTO Controller Off Line
Issue description
The main instrument cluster controller (ICU) has lost communication with the dedicated PTO (Power Take-Off) controller on the vehicle's CAN bus. The PTO controller is not communicating or is not operational, preventing the central tractor control units from recognizing the module. This results in the inability to engage or control the power take-off system. This is an electronic data communication issue, not a mechanical PTO failure.
Applies to these machines
21 machines- TG210
- TG230
- TG255
- TG285
- Magnum 235
- Magnum 340
- MX180
- MX200
- MX210
- MX220
- MX230
- MX240
- MX255
- MX270
- MX285
- 5640
- 6640
- 7740
- 7840
- 8240
- 8340
Check the cause
Check for blown fuses related to the PTO or controller circuits
Inspect battery voltage (low system voltage below 13 volts while running can cause modules to drop offline)
Visually inspect the wiring harness and connectors leading to the PTO controller for chafing, corrosion, or loose connections (especially at the controller or chassis pass-through)
Inspect CAN bus terminators (dummy plugs with 120-Ohm resistors) located under the rear cab panel and near the front firewall
Verify the PTO engagement switch and safety interlocks are sending a signal
Repair steps
Verify the fault
Confirm that the 14010 fault code is active using the tractor's diagnostic display or an Electronic Service Tool (EST).
Perform basic electrical checks
Check all fuses related to the PTO and electronic controllers. Ensure the battery is fully charged and the charging system is functioning correctly.
Inspect CAN terminators
Locate the two CAN bus terminators (near the front firewall and under the rear cab panel). Disconnect each terminator and inspect for corrosion.
Test the CAN bus resistance
With the key off, measure the resistance between the CAN High and CAN Low wires at the diagnostic port. A healthy bus should read approximately 60 Ohms. A reading of 120 Ohms suggests a terminator or bus section is disconnected.
Isolate the PTO controller
Disconnect the PTO controller module. If 'controller offline' messages for other modules disappear, the PTO controller is likely shorting out the CAN bus.
Replace faulty components
Replace the CAN terminators first if corroded or if the bus resistance test fails (replace both simultaneously). If terminators and wiring are intact, replace the PTO control module.
Clear codes and test
After replacing parts, clear the fault codes using the diagnostic display or EST and operate the tractor to ensure PTO functionality is restored.
Parts you might need
(8)CAN Bus Terminator
47707827Used at the ends of the CAN bus to prevent signal reflection. Typically two on the vehicle.
- PTO Control Module411976A1
Fits New Holland TG series and Case IH MX series. Superseded Case IH numbers: 323761A1, 323761A2, 323761A3, 87774390.
- PTO Control Module81869818
Fits New Holland 40 series. Alternative numbers: 81864314, 81867013, F0NN94044N90AA, F0NN94044N90BA, F0NN94044N90BB.
- PTO & Transmission Speed Sensor87774391
Fits New Holland TG series. Alternative number: 411897A2.
PTO Controller / Electronic Control Module
80000120Always verify the exact part number against your tractor's serial number and transmission type (e.g., Auto Command vs. Power Command) in the CNH parts catalog, as module programming and pinouts vary heavily by configuration.
PTO Controller / Electronic Control Module
3685268M91Alternative OEM Part Number depending on fitment/generation.
PTO Controller / Electronic Control Module
4207827M94Alternative OEM Part Number depending on fitment/generation.
Terminal Connector 120Ohm/0.5W
87345428CAN Bus Terminator Resistor (listed for models like T4030V)
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