C1761: Air Suspension Rear Height Sensor High (SE) Signal Circuit Open

What does C1761 mean?

C1761 is a diagnostic trouble code indicating "Air Suspension Rear Height Sensor High (SE) Signal Circuit Open". This means there is an electrical break in the suspension wiring — a connector may be unplugged, a wire broken, or a component has failed internally. The ECU detected no signal where it expected one.

Symptoms you may notice

• Check engine light (MIL) illuminated on dashboard
• Intermittent warning lights
• Erratic gauge readings

Common causes

• Damaged or corroded wiring harness
• Loose or disconnected electrical connector
• Failed suspension sensor or actuator
• Blown fuse in the related circuit
• Poor ground connection

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

Get a diagnosis for YOUR car

Code C1761 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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