Ignition "OFF"

Connect Scantool and Engine "ON"

Drive vehicle in gear and monitor "vehicle speed" item on the scantool.

Are thsoe "VSS" parameters displayed correctly ?

YES

▶ Fault is intermittent caused by poor contact in Sensor’s and/or PCM’s connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of Vehicle Repair" procedure

NO

▶ Go to "Terminal and Connector Inspection" procedure.