Guide To P215C OBD Error Code Solutions

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The trouble code P215C can be explicated as Output Shaft Speed - Wheel Speed Correlation. If the engine control module would detect a variation in the voltage coming from the vehicle output speed sensor and one (or more) of the wheel speed sensors delivered performance that is outside the parameters set by the automobile manufacturer, then it would store the P215C fault code. This would give rise to the flashing up of the check engine light.

Do you want to gain some more knowledge about the P215C trouble code? This diagnostic fault code is a generic powertrain code, which means that it would apply to the OBD-II equipped vehicles. The specific repair steps can vary as it depends upon the vehicle make and model. The engine control module, powertrain control module or the transmission control module monitors this circuit depending upon the particular automobile.

What causes this problem with the Output Shaft Speed - Wheel Speed Correlation?

• Imprudent metallic debris on output/wheel speed sensor magnet
• Imperfect output shaft/wheel speed sensor
• The wiring or connectors might not be functioning properly
• Malfunctioning reluctor ring teeth
• The PCM, ABCM, or EBCM might be damaged

1. Engine Control Module - Want to know the most common reason behind the failure in the engine control module? Corrosion or damage because of moisture can cause ECM failure. Corrosion might enter the ECM through the wiring harness and moisture can enter by a failure in the seals in the ECM itself.
2. Engine Wiring Harness - Your car ECM would not operate properly if there are some cracks or break in the engine wiring harness. Corrosion as well as physical damage are the most common reasons why you should replace an engine wiring harness. Purchase high grade engine wiring harness online from Parts Avatar Canada.
3. Powertrain Control Module - The PCM makes the engine and transmission work in tandem. Any issue with the powertrain control module will cause major problems with the efficient running of the vehicle.
4. Speed Sensor - Do you know the symptoms of bad speed sensor? If there would be a failure in the speed sensor, then you might notice harsh or improper shifting, cruise control might not work and at the same time the check engine light would start flashing. You can always rely on us as we have best auto parts for our customers.
5. Electronic Control Unit - If your vehicle fails to start for no apparent reason, this is also a good indicator that there can be some issues with the ECU. If you check the car battery, starter and other common electrical components, and the vehicle still does not start, a quirky electronic control unit should be the next logical thing to consider.
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It is vital to know the symptoms of an issue as only then you would be able to solve the problem. So that’s why we have listed out some major symptoms of OBD Code P215C here:

Common Symptoms

• Inconstant speedometer
• Unplanned ABS or traction control system (TCS) activation
• Incorrect transmission shift patterns
• Storage of ABS codes
• There might be disabled ABS

The repairs which you will have to do to correct this fault code are simply straightforward; you can surely pinpoint the necessary repairs on the basis of your diagnosis. Have a look at some common fixes:

• Make sure to mend the faulty wiring or connectors
• Repair or replace the quirky PCM, ABCM, or EBCM
• Rehabilitate the defaults in the output shaft/wheel speed sensor
• Carefully adjust the faults in the output/wheel speed sensor magnet
• Recondition the non-functioning reluctor ring teeth

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Here are some steps which you should follow in order to diagnose this fault code:

• This is a general type of error code which is diagnosed with the help of a scanner.
• The mechanic will insert a scanner to diagnostic port of the vehicle and recover the codes and freeze frame data.
• If he happens to find any additional error codes, he has to address them as well.
• Once it is done, he has to reset the vehicle, and then test drive to see if the error code appears.
• If the error code does not return, then there can be an erratic condition.
• But, if the error code returns, then the mechanic has to check the output shaft speed.
• If the output shaft speed is defective, then it has to be replaced.
• Also, the mechanic can check for any sign of defects in the related parts, then he should quickly fix the issue.
• Then the mechanic has to check the wires, connectors and other electrical components and quickly replace them if he finds them to be damaged or defective.
• If the issues are not yet sorted out, then the mechanic will use a digital voltmeter/ ohmmeter and connect it to the vehicle.
• Once the circuit is inspected, he will thoroughly check all the harness and repair them accordingly.
• In most cases, this error code can arise mostly because of any shorted wires or dirty or output shaft speed.
• Whenever the mechanic or a trained professional, repairs any of the component like wires or connectors, he will reset the code and test drive the vehicle again to see if the error code appears again.
• This can actually help the mechanic to know if the problem is fixed.

Common Mistakes When Diagnosing The P215C Code

• The most common mistake while diagnosing this code is missing out on diagnosing steps which further leads to the expensive and unnecessary replacements. It is always recommended to seek help of experienced diagnostician to avoid any mistakes.
• If it is not done properly, then the codes would be addressed in the incorrect order. Due to this a simple fix would be missed and at the same time codes would not be cleared.