PTF 000186.04 – Front PTO Speed Sensor, Voltage Too Low

PTF 000186.04 (PTF 186.04)

Code: 000186.04

Shortcode: 186.04

Description:

This error code is generated when the control software detects that the voltage at the signal input of the front PTO speed sensor is too low. This indicates a short to ground in the circuit of the front PTO speed sensor.

Reaction:

When this code is detected, the front PTO may exhibit limited or no functionality.

Recommendations:

  • Inspect Sensor Wiring:
    • Check the wiring and connections of the front PTO speed sensor for shorts to ground.
    • Repair or replace any damaged wiring or connectors.
  • Test the Speed Sensor:
    • Verify the functionality of the front PTO speed sensor using diagnostic tools.
    • Replace the sensor if it is found to be faulty.
  • Update Control Software:
    • Ensure the control software is up to date.
    • Update the software if necessary.
  • Check Electrical System:
    • Ensure that the electrical system provides the correct voltage to the front PTO speed sensor.
    • Investigate and resolve any issues with the vehicle’s electrical system.

Note:

Regular inspection and maintenance of the front PTO speed sensor and its circuit can prevent voltage issues and ensure reliable operation.


Control Units: John Deere

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