Description:

This diagnostic trouble code (DTC), SSU 522273.01, is triggered when the steering control valve (Y49) receives a control signal from the SSU control unit that is below 15% of the system voltage. This indicates an undervoltage 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 fall below 15% 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 undervoltage conditions in control signals.
• Ensuring the electrical system is properly regulated can avoid damage to sensitive components.