SSU 522273.00 – Y49 Steering Control Valve, Control Signal Out of Valid Range High

SSU 522273.00 (SSU 522273.00)

Code: 522273.00

Shortcode: 522273.00

Description:

This diagnostic trouble code (DTC), SSU 522273.00, is triggered when the steering control valve (Y49) receives a control signal from the SSU control unit that is out of the valid range high (over 85% of the system voltage). This indicates an overvoltage condition in the control signal.

Reaction:

When this error is detected, the steering control valve may not function correctly, potentially leading to inaccurate steering control and compromised vehicle safety.

Recommendations:

Inspect Control Signal:

  • Check the control signal from the SSU to the steering control valve (Y49) for proper voltage levels.
  • Ensure that the control signal does not exceed 85% of the system voltage.

Verify Valve Connections:

  • Inspect the wiring and connectors related to the steering control valve for signs of damage, loose connections, or corrosion.
  • Ensure all connections are secure and free from contaminants.

Update Software:

  • Ensure that the SSU software is up-to-date. Apply any available firmware updates to improve system performance and control signal accuracy.

Replace Faulty Components:

  • If the steering control valve or related components are found to be defective, replace them with new, genuine parts.

Consult Technical Support:

  • If the error persists after performing the above steps, consult technical support or the manufacturer for further assistance.

Note:

  • Regular maintenance and inspection of the steering system components can help prevent overvoltage conditions in control signals.
  • Ensuring the electrical system is properly regulated can avoid damage to sensitive components.

Control Units: John Deere

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