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NH 3005

New Holland NH 3005 – Engine Controller / Engine ECU: Accelerator Pedal Signal - ALL OTHER FAULTS

Issue description

This code indicates a diagnostic fault check has reported an error with the accelerator pedal position sensor (APPS) signal. The engine control system recognizes a malfunction in the throttle signal that does not fit into the other specific categories (such as "Not Plausible", "Source High", "Source Low", or "No Signal").

Applies to these machines

  • TM series
  • T4
  • T5
  • T6
  • T7 series
  • MXM series
  • loader backhoes
  • compact wheel loaders
  • T4000
  • T6000
  • T7000
  • TS series
  • MXU series
  • B90B
  • B95
  • B110
  • LB75
  • 40 series

Check the cause

  1. Inspect the footwell area by raising the floor mat and removing the access panel to access the accelerator pedal wiring harness.

  2. Inspect the wiring harness and the 3-terminal connector going to the accelerator pedal position sensor for open circuits, short circuits, or corrosion.

  3. Check if the sensor is sending erratic voltage spikes that fall outside the standard high/low parameters.

  4. Ensure the pedal does not simply need a software recalibration via the Customer Electronic Service Tool (EST).

Repair steps

  1. Disconnect battery

    Disconnect the machine's battery to prevent electrical shorts.

  2. Access pedal assembly

    Locate the accelerator pedal assembly in the cab footwell. Remove the shifter boot or access panels next to the pedal to access the mounting bolts.

  3. Disconnect electrical connector

    Disconnect the 3-terminal electrical connector from the throttle position sensor.

  4. Unbolt pedal assembly

    Unbolt the throttle pedal assembly from the floor (usually held by two bolts).

  5. Replace sensor or assembly

    If replacing just the sensor, unbolt the old potentiometer from the pedal bracket and install the new one. If replacing the whole assembly, install the new pedal unit.

  6. Reinstall assembly

    Reconnect the electrical harness and bolt the assembly back to the floor.

  7. Clear fault codes

    Reconnect the battery and use a CAN-BUS DTC Eraser or the New Holland EST to clear the existing fault codes from the Engine ECU.

Parts you might need

(9)

  • Position Sensor (3-terminal)

    87605247

    Fits New Holland T4000, T6000, T7000, and TM series (TM120-TM190), as well as Case IH Maxxum and Puma series.

  • Severe-duty Throttle Position Sensor

    82019691

    Fits New Holland TM/TS series and Case IH MXU/MXM series.

  • Throttle Position Sensor

    82021035

    Fits New Holland T4 series tractors (T4.65V - T4.110V).

  • Hall Effect Engine Throttle Sensor

    87696524

    Replaces older potentiometer #87327325; requires software update.

  • Genuine CNH Accelerator Pedal Assembly

    84250071

    Fits various Ford, New Holland, and Case IH tractors.

  • Foot Throttle Pedal Assembly

    91709123

    Fits New Holland T5, T6, T6000, T7, T7000 series and Case Maxxum/Puma.

  • Pedal Assembly

    85813096

    Fits New Holland Construction Equipment (Loader Backhoes like B90B, B95, B110, LB75).

  • Pedal Assembly

    87518902

    Fits New Holland Compact Wheel Loaders (Tier 4).

  • Accelerator Pedal

    81863064

    Fits Ford / New Holland 40 series tractors.

Get help to fix this fault by requesting a quote

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