Error Code P0C6B: What It Means & What To Do?

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Are you experiencing delayed response from the motor along with sluggish acceleration, and throttle response? Does the engine stall and not start occasionally? All these can be due to faulty generator position sensor circuit issue thus leading to OBD code P0C6B getting stored in the Powertrain Control Module.

A resolver is a type of rotation angle sensor for controlling the drive motor that is the power source of EVs. By efficiently controlling the motor, power consumption can be suppressed. To control the motor according to various driving conditions of a vehicle, it is necessary to detect the magnetic pole position of the motor and accurately grasp its rotational speed. The resolver serves as a sensor for these tasks. Whenever the generator position sensor for circuit “B” emits low voltage signals, OBD code P0C6B gets stored in the PCM.

What causes this problem with the Generator Position Sensor Circuit "B" Low?

• Hybrid Vehicle Motor damaged
• Open or short Hybrid Vehicle Motor harness
• Generator position sensor problematic
• Sensor circuit wiring and connector issues
• Poor electrical connections to Hybrid Vehicle Motor circuit

1. Speed Sensor - If the speed sensor is faulty, then the PCM will be unable to detect the correct motor speed and might result in transmission faults. Thus it is important to check for these faults and replace damaged speed sensor immediately.
2. Engine Control Module - It is not always the components, but the ECM that can also be faulty. It can cause misinterpretation of correct data thus leading to wrong operational decisions which will affect the transmission and overall engine performance.Thus, replace faulty module and reprogram it now!
3. Powertrain Control Module - Powertrain Control Module can also be faulty in rare cases and thus needs through checks for system and software errors. Thus check and replace it, if required.
4. Generator Assembly - The generator assembly unit is responsible for proper functioning for the hybrid motor. Thus, if any component if faulty or damage the vehicle can stall and might not even start. It can also experience poor acceleration and transmissions and loss of power. Thus, it is important to replace faulty components.
5. Automatic Transmission Module - Sometime the transmission module id unable to communicate or correctly anticipate the speed of the vehicle and thus creates difficulty in gear shift leading to sluggish acceleration, throttle response and stalling. Thus can also hamper a lot of components physically and thus must be check for and replaced, if required.
6. Oxygen Sensor - An oxygen sensor plays a vital role in the fuel delivery system and air to fuel ratio mixing functions. Without this sensor proper combustion of fuel cannot take place, thus causing performance issues. Also the exhaust system will not be able to detect the emissions properly if this sensor becomes inactive, resulting in increased emissions from the exhaust. Thus replace faulty oxygen sensor today!
7. Diagnostic Tools - It is always advisable to use correct tools and equipment while resolving any OBD code issue as even small mistakes can lead to wrong diagnosis. Thus, always take help from a professional who has the knowledge and experience to such tools in efficient manner. Buy new quality diagnostic tools from us today!

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 P0C6B here:

Common Symptoms

• Illumination in the service engine soon light
• Non-functioning of engine due to high voltage system
• Improper gear transmissions
• Engine stalling and not starting
• Issues in operating the vehicle

Want to correct the Trouble Code P0C6B? Read these points mentioned below:

• You must fix the defective generator position sensor harness
• Make sure to mend the faulty automatic transmission module
• Repair or replace the quirky generator assembly
• Rehabilitate the defaults in the generator position sensor
• The malfunctioning ECM should be repaired or replaced as per the need
• Carefully adjust the faults in the generator position sensor circuit

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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 P0C6B code to be stored:

• The error code P0C6B can be diagnosed using an OBD-II trouble code scanner.
• This scanner should be utilized in order to store the freeze frame data to collect the details of this error code P0C6B by a certified mechanic.
• The mechanic should also check and confirm the presence of any additional codes.
• Now, if there are a number of codes, they should be aligned in order. It is essential to treat the codes in the order they have been stored in.
• After all the repairs have been performed, it is recommended to clear the codes and reset the system to observe if the code persists.
• If the code fails to reappear, it was likely due to an intermittent issue or was triggered falsely.
• Check for the generator position sensor problems that might be giving wrong data thus, leading to inappropriate functioning. Thus, replace the faulty sensor immediately.
• Inspect for transmission related issues and replace the faulty component. Also check for intake manifold issue that might be due to leakages thus causing lean engine conditions.
• Next, check the ECU and PCM for the faults and replace and reprogram as required.

Common Mistakes When Diagnosing the P0C6B Code

• Quirks in the powertrain control module
• Hybrid motor assembly might start failing
• Wiring related issues