Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Code P024, Vehicle Speed Sensor (VSS) Circuit Problem: Notes
VSS is a permanent magnet pulse generator mounted in transaxle. PCM receives unbuffered speed information VSS. Code P024 sets if PCM detects vehicle speed of 5 MPH or less with transaxle input speed (turbine speed) of 3000 RPM or greater for one second while in any forward gear. To avoid any erratic cruise control operation due to an intermittent problem, cruise control system is disabled for the entire ignition cycle.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.