FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

DP4 - Check Vehicle Speed Sensor Resistance



- Key "OFF".

- Vehicle Speed Sensor (VSS) disconnected.

- Measure the resistance of the VSS.

- Is resistance between 190 and 250 ohms?

Yes -- Remove breakout box. Replace Powertrain Control Module (PCM). Reconnect VSS. Repeat test step DP1 drive cycle to verify elimination of Diagnostic Trouble Code (DTC) or drive complaint. DP1 - Complete VSS Drive Cycle

No -- Replace VSS. Remove breakout box. Repeat test step DP1 drive cycle to verify the elimination of DTC or drive complaint. DP1 - Complete VSS Drive Cycle