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P0501 Diagnostic Trouble Code Discussion for March 2008

Vehicle Speed Sensor 1 Performance

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Trouble Ticket Help Requests for DTC P0501
Help Request Posted
2002 Kia Rio 1.5L MIL Lamp on VIN: KNADC12342
P0501: Vehicle Speed Sensor Circuit Range/Performance. Vehicle sets P0501, Vehicle Speed Sensor. Have no MPH on scanner from ecm. When Reading transmission side I have MPH reading. This system from what I can see and am told uses right front wheel speed sensor for ecm input. The system used transmission speed sens...
March 14, 2008
2001 Kia Sephia LS 1.8L Hesitation, Cuts out, MIL Lamp on VIN: KNAFB12111
P0501: Speed sensor A Range/Performance. Customer stated this started all at once.Car will not accelerate but seems to idle just fine.Slight acceleration is decent but not under any load. plugs were not gummed up.This acts like a fuel problem because it will popback through the intake slightly like a...
March 20, 2008