PTP 000737.05 – Clutch 4 (C4) Valve Circuit Fault

PTP 000737.05 (PTP 737.05)

Code: 000737.05

Shortcode: 737.05


This error code is triggered when the PTP control unit detects a circuit fault in the Clutch 4 (C4) solenoid valve circuit.


The control unit commands the transmission to neutral to prevent potential damage.


  • Inspect Solenoid and Wiring:
    Check the C4 solenoid and its wiring for any signs of damage, wear, or loose connections. Repair or replace as necessary.
  • Test Solenoid Function:
    Verify that the C4 solenoid is operating correctly. Replace if it is faulty.
  • Check Electrical Connections:
    Ensure all electrical connections are secure and free from corrosion.
  • Consult Technical Support:
    If the issue persists, consult technical support or the manufacturer for further assistance.


Ensuring the proper function of the C4 solenoid and its circuit is vital for reliable clutch operation and vehicle performance.

Control Units: John Deere

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