Applicable Systems
9R Tractor
Symptoms
Rear hitch position does not match command; hitch drifts down when set to hold position.
Possible Causes
- Hitch position sensor signal drift
- BCU internal calibration lost
- Hitch hydraulic valve leakage
Troubleshooting Steps
- Step 1: Check rear hitch position sensor voltage
Voltage changes smoothly with hitch movement - Step 2: Inspect hitch hydraulic valve for internal leak
Valve holds position when commanded hold - Step 3: Recalibrate hitch position via Service Advisor
Calibration completes successfully - Step 4: Replace hitch position sensor if signal erratic
New sensor signal smooth - Step 5: Clear code and verify hitch hold position 5 min
Hitch holds position without drift
How to Reset
Clear via Service Advisor after hitch calibration.
Common Replacement Parts
- Hitch Position Sensor P/N: RE269291
Frequently Asked Questions
- Q: How often should hitch be calibrated?
After any hitch component replacement, or annually as preventive maintenance. Calibration requires Service Advisor tool.
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Source: johndeerefaultcodes.com
Category: Heavy Equipment
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