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P1502 Diagnostic Trouble Code Discussion for July 2015

Vehicle Speed Sensor 1-2 Correlation - Non-Drive Wheels


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Trouble Ticket Help Requests for DTC P1502
Help Request Posted
2000 Porsche Boxster Roadster 2.7L Poor Idle Quality, Surge VIN: WP0CA2982Y
P1502: throttle spring limit. I can't seem to get this throttle to relearn. I have a battery charger on it just to make sure it has over 12.6 volts. If I clear the code while it's running it runs fine. The code keeps coming back. I have done the procedure via alldata many times. HELP!!! Th...
July 16, 2015