P2326 OBD Error Code: Problem & Solutions

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The trouble code P2326 can be explicated as Ignition Coil "I" Secondary Circuit. If the engine control module would detect a variation in the voltage coming from the ignition coil ‘I’ delivered performance that is outside the parameters set by the automobile manufacturer, then it would store the P2326 fault code. This would give rise to the flashing up of the check engine light.

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 Ignition Coil "I" Secondary Circuit?

• The Ignition Coil 'I' might be flawed
• Ignition Coil 'I' harness is not shut or tiny
• There might be poor electrical connection in the Ignition Coil 'I' circuit
• Unusable relay or blown fuse
• There can be distorted PCM 
• Defective camshaft or crankshaft sensor
• Some issues associated to the wiring

1. Oxygen Sensor - If the fuel to air ratio is not correct, the engine may work in lean or rich conditions. This not only hampers the performance output, but also affects the fuel economy, exhaust emissions and acceleration. Thus, a faulty oxygen sensor must be replaced as if it important for keeping in checks the oxygen levels entering/exiting the engine.
2. 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.
3. Fuel Injector - Affected fuel injectors can cause reduced performance and throttle response. It can also affect the fuel economy and affect the engine emission. Thus, replace faulty fuel injector now!
4. 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.
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.
6. Ignition Coil - Many a times your car won’t be able to start because of some quirks in the ignition coil. Visit us to buy best quality ignition coil online.
7. Diagnostic Tool - In order to fix these errors, you need few diagnostic tools to get your car problems pointed out easily. Our diagnostic tools collection will come handy to do so and resolve all your vehicle problems. Visit 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 P2326 here:

Common Symptoms

• Illumination in the service engine soon light
• Decline in the fuel economy
• Bad engine performance
• Some other codes can also exist

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:

• The ignition coil wiring should be restored to working order
• Recondition the non-functioning camshaft or crankshaft sensor
• It is necessary to perform proper service of the unsound ignition coil
• Adjust the flawed wiring
• You must fix the defective engine parts
• It is essential to restore the flawed PCM
• Repair or replace the quirky spark plug
• Rehabilitate the defaults in the ignition coil connector
• Carefully adjust the faults in the fuel injector

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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. Use the vehicle information source to search for applicable technical service bulletins (TSB). If you locate a TSB that matches the vehicle make and model, symptoms exhibited, and the code stored, it will help you to arrive at a diagnosis.
• You may also need to obtain diagnostic flow charts, wiring diagrams, connector face views, connector pin out charts, component locations, and component testing procedures/specifications from the vehicle information source. All this information will be needed to correctly diagnose the stored code P2326.
• After that test drive the vehicle to see if the code P2326 is reset. Drive until one of two things happens: Either the PCM enters readiness mode or the code is reset. If the code is reset, continue with the diagnosis. If it is not, you are dealing with an intermittent condition which may have to worsen before an accurate diagnosis may be achieved. Now if the code has been restored, then you must continue with the diagnosis.
• One should obtain connector face views, connector pin out charts, component locator charts, wiring diagrams, and diagnostic flow charts by utilizing your source of vehicle information.
• A visual inspection of associated wiring and connectors should be performed. Make sure to repair or restore the wiring that has been cut, burned, or flawed. Wiring on top of the engine is often defective due to wildlife attempting to stay warm in cold climates.
• The DVOM should be used to inspect the voltage and ground circuits at the ignition coil. If no voltage has been detected, then you should check the system relay and associated fuses. Restore the faulty relays or blown fuses as per the requirement.
• If voltage and ground have been detected at the coil, examine the corresponding ground circuit at the PCM connector with the engine running. If ground pulse is detected there, then there is an open circuit between the coil as well as the PCM. If no ground pulse is discovered there, then there is some fault in the PCM or there might be PCM programming error.

Common Mistakes When Diagnosing The P2326 Code

• There can be a lot of issues which might appear when the P2326 error code start flashing up.
• Many a times the mechanic might not react properly and would just replace the ignition coils and spark plugs when in reality the wiring and connectors should be restored so that it can work properly.