P264B OBD Error Code: Problem & Solutions

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The trouble code P264B can be described as ‘A’ Rocker Arm Actuator Position Sensor Circuit Range/Performance Issue. The error code P264B would start triggering when the PCM would detect some faults in ‘A’ rocker arm actuator position sensor circuit. One thing which you must keep in mind is that its symptoms as well as causes would surely vary as it depends upon a number of things.

This trouble code is generic, which would mean that it can apply to all the vehicles which are equipped with the OBD-II or the vehicles which are made since 1996 up to the present. The specifications on the definition, the troubleshooting steps as well as repairs can always vary from one vehicle to another. This can happen because of a lot of reasons and the mechanic should diagnose the specific cause for this code. The P264B trouble code would indicate that ‘A’ rocker arm actuator position sensor circuit which is not as per the predetermined limit has been detected by the ECM. Now when this would occur, the fault code would be stored and there would be an illumination of the malfunction indicator light.

What causes this problem with the ‘A’ Rocker Arm Actuator Position Sensor Circuit Range/Performance?

• There might be overfilled or low engine oil
• Invalid engine oil type
• Defaults in the 'A' Rocker Arm Actuator Sensor
• 'A' Rocker Arm Actuator Sensor harness might be opened or shorted
• 'A' Rocker Arm Actuator Sensor circuit might have bad electrical connection

1. Engine Control Module - If there is any corrosion or breaks in the internal wiring of the harness, then it can cause a short in the ECM or can also cause corrosion in the ECM through the wiring harness. You can always rely on us as we have the best auto parts for our customers.
2. Powertrain Control Module - The onboard computer, or powertrain control module is the brain of the engine control system. Now if the brain is not working properly, then neither is the car engine. Get it replaced before the situation gets worse.
3. Electronic Control Unit - Is your car jump starting on reverse polarity? Or are you facing some intermittent starting issues? If yes, then it indicates that your electronic control unit is bad. So it is very important to replace the defective electronic control unit with us at equitable prices.
4. Diagnostic Tools - Buy quality diagnostic tools to check and diagnose OBD code P264B error with the help of experienced mechanic. Visit us today!
5. Rocker Arm - Damaged rocker arm can cause the variable valve timing to get disturb, thus causing affected engine performance. Replace faulty rocker arm now!

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 P264B here:

Common Symptoms

• Illumination in the service engine soon light
• Bad engine performance
• Rise in the fuel consumption

Want to correct the Trouble Code P264B? Read these points mentioned below:

• Repair or replace the quirky oil control valve
• Rehabilitate the defaults in the oil pump
• Make sure to mend the faulty wiring and connectors
• Carefully adjust the faults in the rocker arm actuator
• Recondition the non-functioning oil pressure sensor

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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 P264B code to be stored:

• Monitor crankshaft and camshaft positions using electromagnetic sensors.
• A proper diagnosis should begin with making sure that all engine timing indicators are properly aligned. After that, test belt or chain deflection using manufacturer’s specifications.
• VVT or VCT solenoids and circuitry is to be tested if timing components prove to be properly aligned and in good working order.
• Check for electrical wiring and connectors as they are more prone to fail than sensors, especially where oil or other corrosive fluids are present.
• An OBD-II scanner (or code reader), a digital volt/ohmmeter, and an oscilloscope can be used to diagnose this error.
• Inspect and replace damaged, disconnected, shorted, or corroded wiring, connectors, and components as necessary.
• Retest the system after repairs are completed to ensure success. If all system wiring, connectors, and components (Including fuses) appear to be in normal working order, connect the scanner (or code reader) to the diagnostic connector and record all stored codes and freeze frame data.

Common Mistakes When Diagnosing The P264B Code

• There can be a failure in the variable valve lift controller assembly
• Defaults in the PCM
• Some issues related to the wiring