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P0503 Diagnostic Trouble Code Discussion for May 2010

VSS Circuit Intermittent

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Trouble Ticket Help Requests for DTC P0503
Help Request Posted
2004 Subaru Outback 2.5L MIL Lamp on VIN: 4S3BH67564
P0503: Vehicle speed sensor voltage intermitten/erratic/ high. ... posting on forum, hopefully there is a Subaru guru out there able to help. We are stomped with this car. 2004 Subaru Outback, customer complained about continuously blinking check engine light. While in ignition on, car not running, every relay under hood ...
May 18, 2010