P0806- OBD Trouble Code

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When will the performance of the circuit be unusual? What does P0806 code signify? If your car has stored the P0806 error code, it means the clutch position sensor or circuit is malfunctioning. This is applicable only to vehicles with manual transmission. If it is present in automatic transmission vehicles, then the PCM can be faulty.

This error code generally means that the system has detected a malfunction in the clutch position sensor circuit. If the voltage is outside the predictable range and if there are any other performance problems which is detected either by the TCM or powertrain control module, then the P0806 error code will be stored in the vehicle. Illumination of check engine light or transmission warning lamp will take place.

What causes this problem with the Clutch Position Sensor Circuit Range/Performance?

• Failing of the clutch position sensor
• The powertrain control module is defective or broken.
• Clutch position sensor has shorted circuit or an opening.
• The clutch position sensor is not correctly adjusted.
• Connectors and wires within the clutch position sensor circuit is loose or eroded.

1. Clutch Position Sensor - A faulty or damaged clutch position sensor can give rise to the P0806 error code. Replace them immediately.
2. Clutch Start Switch - Is the clutch start switch broken. Fix them soon so that you can avoid P0806 error code.
3. Engine Wires - The engine wires have to be damage free so that you can avoid malfunctioning of the system.
4. Transmission Control Module - Getting rid of the broken transmission control module will help you in avoiding the P0806 error code being stored in your vehicle.
5. Powertrain Control Module - A broken or faulty PCM needs immediate fixation and you can grab them from Parts Avatar at best prices.

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 P0806 here:

Common Symptoms

• You will notice the warning light of the transmission illuminating.
• The engine will start instantly even before engaging the clutch.
• The engine does not start at any circumstance.
• Check engine light will glow bright.

Want to correct the Trouble Code P0806? Read these points mentioned below:

• Defective PCM needs fixation.
• Replace if you come across damaged wires and broken clutch position sensor circuit.
• Connectors that are either eroded or broken must be changed.

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It is essential to diagnose this fault code. Here are some steps which a mechanic should follow for diagnosing the problem that triggered a P0806 code to be stored:

• Firstly, the technician or the mechanic will carefully inspect your vehicle and see if there are any codes that are stored in the computer of the car. The inspection is done with the help of a scanner. The mechanic will initially store these codes and then clear. Once the mechanic clears every code, he will now test drive the vehicle and see if the codes return. It can be an erratic issue if the error code does not return.
• Secondly the mechanic will check for the correct adjustment of the clutch position sensor. This can be extremely true to help the mechanic to know if the sensor was changed recently, as misplacing the clutch position sensor can be one of the common cause for a P0806 error code.
• The mechanic will also further check the connections inside the clutch position sensor for any erosions. Added to this he will carefully inspect the wires. The mechanic should check both the input and output for voltage on the clutch position sensor.
• If the mechanic finds that the voltage is available only on the input side, then the component itself can be faulty, which has to be immediately replaced or fixed. The mechanic will also find issue with both the wires as well as the connectors if there is voltage on both the sides. As a very rare case, you may have to fix the PCM which can be faulty.

Common Mistakes When Diagnosing the P0806 Code

One of the common mistake when you attempt to diagnose the P0806 error code changing either the starter relay or the starter solenoid. As you see the no start condition, you may think that the issue is related to the starter whereas it is not so. In one such scenario, replacing the starter or the starter solenoid or relay has no effect.