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Code p0502 - Cadillac Cars & Trucks

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duane_wong
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SOURCE: Code P0502?

P0502 Vehicle Speed Sensor "A" Circuit Low Input

Change the speed sensor or check the wiring to it.

Posted on Jul 16, 2010

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airjer995
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SOURCE: I have a 03 Buick Century 3.1 trouble code P0502, what does this mean

That is a speed sensor "a" low input code. Sometimes the sensors are external and sometimes they are internal. I don't remember specifically for your vehicle.

I would suggest monitoring the sensor with a higher end scan tool capable of reading transmission data.

Posted on Jul 25, 2012

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2 Answers

How to replace a P0502 sensor in cadallic deville


This is what I found for the code. P0502

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http://engine-codes.com/p0502_chevrolet.html
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What does code P0502 mean


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I have a 03 Buick Century 3.1 trouble code P0502, what does this mean


That is a speed sensor "a" low input code. Sometimes the sensors are external and sometimes they are internal. I don't remember specifically for your vehicle.

I would suggest monitoring the sensor with a higher end scan tool capable of reading transmission data.

Jul 25, 2012 | Buick Century Cars & Trucks

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What does code P0302 and P0502 means on emission test


P0302Cylinder 2 Misfire Detected for the P0502 click on this site or plug it into your address bar.
http://engine-codes.com/P0502.html

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1 Answer

Trubleshooting p0502 honda element


P0502 is a Vehicle speed sensor issue:
P0502 Description The vehicle speed sensor outputs a 4 pulse signal for every revolution of the rotor shaft, which is rotated by the transmission output shaft via the driven gear. After this signal is converted into a more precise rectangular waveform by the waveform shaping circuit inside the combination meter, it is then transmitted to the ECM. The ECM determines the vehicle speed based on the frequency of these pulse signals.

speed_sensor.gif Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Speedometer may not work properly
- Transmission shifting problem Possible Causes - Vehicle speed sensor harness or connectors is open or shorted
- Vehicle speed sensor
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The Code you're referring to should be a "P0502." What the Code signifies is: "Vehicle speed sensor circuit, low input."

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My 03 monte carlo is very sluggish. The engine


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hope that helps /a little beyond my expertise but theres your codes your looking for ;)

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