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P0502 Diagnostic Trouble Code Discussion for November 2008

VSS Circuit Low Input

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Trouble Ticket Help Requests for DTC P0502
Help Request Posted
2002 Saturn Vue 2.2L Poor Idle Quality, MIL Lamp on VIN: 5GZCZ23D52
P0502: Vehicle Speed Sensor Performance (Getrag 5-Speed). Vehicle has intermittant high idle. Clear code and is Ok til shut down and then re-sets code and raises idle wthout driving it. Have used the forums suggestions and checked for vacuum leaks, TPS and ETS and no problems.
November 20, 2008