John Deere 523815.03 – XSC: Steering Control Valve (or AutoTrac™ Steer Enable Solenoid), Voltage Too High
Issue description
The voltage supplied to the steering control valve (specifically the enable valve) is too high, which typically indicates a short to a 12-volt power source. This high voltage condition prevents the proper functioning of the valve and the automated steering control system.
Applies to these machines
28 machines- 6110M
- 6120M
- 6130M
- 6145M
- 6155M
- 6175M
- 6195M
- 6110R
- 6120R
- 6130R
- 6145R
- 6155R
- 6175R
- 6195R
- 6215R
- 6230R
- 6250R
- 6145J
- 6165J
- 6180J
- 6205J
- 8245R to 8400R
- 8310RT
- 8335RT
- 8360RT
- 9470RT
- 9520RT
- 9570RT
Check the cause
Inspect the wiring harness and connectors associated with the steering control valve for signs of damage, corrosion, or loose connections, specifically testing for a short to a 12-volt power source.
Use Service ADVISOR to monitor the voltage levels supplied to the steering control valve in real-time to identify deviations from the normal operating range.
Verify that the voltage regulator responsible for maintaining the correct voltage level to the module is functioning properly.
Check for any available updates for the XSC control software to address potential bugs or voltage regulation issues.
Repair steps
Relieve Pressure & Disconnect Power
Before starting work, relieve all hydraulic pressure and disconnect the battery to prevent damage or injury.
Repair Wiring
If the diagnostic checks reveal a short to 12V in the harness, repair or replace the affected wiring and clean all electrical connections, applying dielectric grease to prevent corrosion.
Replace Faulty Components
If the voltage regulator is found to be faulty during testing, replace it. If the wiring is intact but the solenoid is internally shorted/damaged, unbolt and replace the AutoTrac™ Steer Enable Solenoid / Steering Control Valve.
Update Software
Install any available software updates for the XSC module.
Clear Codes and Calibrate
Clear the diagnostic trouble codes using a diagnostic tool. After installation, check for proper steering response at low idle and perform any necessary steering calibrations before putting the tractor back to work.
Parts you might need
(6)Solenoid Steering Control Valve (AutoTrac Steer Enable Solenoid)
AL238535Fitment: 6M and 6R series tractors. Aftermarket replacements are often listed under reference number 56868.
Solenoid Steering Control Valve (AutoTrac Steer Enable Solenoid)
AL209303Fitment: 6M and 6R series tractors. Aftermarket replacements are often listed under reference number 56868.
Steering Control Valve Control Unit
AL234340Replaced by AL229994. Fitment: 6M and 6R series tractors.
Steering Control Valve Control Unit
AL229994Replaces AL234340. Fitment: 6M and 6R series tractors.
Voltage Regulator
Generic part name; exact part numbers will depend heavily on the specific tractor chassis/serial number.
Wiring Harness
Generic part name; exact part numbers will depend heavily on the specific tractor chassis/serial number.
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