DP7 - Check VSS Circuit Short to Power

- Vehicle Speed Sensor (VSS) disconnected.

- Key "ON", Powertrain Control Module (PCM) disconnected.

- Measure voltage between Test Pin 3 and Test Pin 40 at the breakout box.

- Is voltage less than 1.0 volt?

Yes -- Go to DP8. DP8 - Check VSS Circuit Short to Ground

No -- Service short to power. Remove breakout box. Reconnect all components. Repeat DP1 to verify elimination of Diagnostic Trouble Code (DTC) or drive complaint. DP1 - Complete VSS Drive Cycle