Diagnostic Aids

If speedometer cable is binding, a false Code 24 may set. A loose connection at instrument panel can set an intermittent Code 24. If code is intermittent, see TESTS W/O CODES article in this section.

Fig 1: Code 24 Schematic, Vehicle Speed Sensor (VSS) Circuit

Fig 2: Code 24 Flow Chart, Vehicle Speed Sensor (VSS) Circuit