Code 24, Vehicle Speed Sensor (VSS) 2.2L J Body (1991): Notes

Fig 1: Code 24, VSS Circuit Diagram (2.2L J Body - 1991)

Courtesy of GENERAL MOTORS CORP.

NOTE: Test number refers to test number on diagnostic chart.

Code 24 will set if vehicle is less than 2 MPH with engine speed at 1125-4400 RPM, transmission is not in Park or Neutral, MAP indicates a road load deceleration condition and these conditions have been met for 5 seconds.