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P2015

Intake Manifold Runner Position Sensor/switch Circuit

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By
KBB Service Advisor
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Reviewed by
Gary Hardesty

What Is the P2015 Code?

Symptoms
Causes
Seriousness
Can I Still Drive?
Diagnose
Difficulty of Inspecting
Get Additional Help

The P2015 code refers to the intake manifold runner control (IMRC) system. Most of the time, this is for bank 1, which sits on the same side of the engine as the first cylinder. If your engine is an inline engine, then your vehicle will only have one bank, and this code will indicate a problem with the single bank. This code indicates that the IMRC sensor is out of range. That means that one of the values expected from the IMRC sensor was outside of the default acceptable ranges.

More About the P2015 Code

The intake manifold control system is part of what manages the fuel-to-air ratio within the engine. An engine needs to have both air and fuel pushed inside it for it to combust properly, and the intake tubes within the intake manifold deliver the air to the engine. By opening and closing valves in different ways, the IMRC can fine-tune the amount of air that’s allowed within the control system. This code indicates that there’s a problem somewhere along those lines.

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What Are the Symptoms of a P2015 Code?

Typically, the only symptom you’ll see of this code is that the check engine light will turn on. In some cases, however, you may notice poor engine performance, including decreased fuel economy. This may be because the control system isn’t allowing enough air into the engine, causing it to run rich and take up more of your fuel than necessary.

What Are Some Causes of a P2015 Code?

There are many potential causes of the P2015 code. Usually, this happens because one of the intake manifold position sensors has failed, but it may also be due to a failed IMRC actuator or solenoid, a problem with the intake manifold as a whole, generalized wiring problems, including an open or short in the wiring harness, or, in rare cases, issues with the PCM.

How Serious Is the P2015 Code?

Initially, this code may not seem very serious; after all, most of the time, the check engine light will be the only symptom you have to worry about. However, this code can develop into other codes that can negatively impact the health of your vehicle if you run it for a long period of time without solving the code. It’s always best to fix these codes as soon as possible if you know they’re due to an actual problem within the engine, as it’s the best way to ensure you’re not dealing with any actual serious concerns.

Can I Still Drive with a P2015 Code?

The P2015 code very rarely creates any drivability concerns, and even then, the concerns it might create are usually very minimal. Although it is important to address this code as soon as possible, you’ll usually be able to drive your vehicle to the repair shop if it’s showing this code, so you won’t need to pay for a tow truck to do it.

How Easy Is It to Diagnose a P2015 Code?

In some cases, the P2015 code happens as an error. If you’re able to clear it and it doesn’t come back, then you may have been able to fix it all by yourself. However, if the code is an actual problem, you’ll need advanced scanning tools to diagnose the problem; technicians need to view the data and how the data changes as you drive. The diagnosis process is complex, which is why it’s best to take the vehicle to an expert.

How Difficult Is It to Inspect a P2015 Code?

The inspection process for the P2015 code will usually happen with a mechanic hooking up a variety of scanning tools to the vehicle, driving it, and seeing what might have caused those codes to appear in the first place. It’s not an inspection process that most DIYers are able to do on their own, and it’s best to leave them to the experts.

Need Additional Help with Your P2015 Code?

Solving this problem can be as simple as clearing the code and test-driving it or as complex as tracing the entirety of the IMRC circuit and discovering the problem area. For most DIYers, the more complex fixes are too difficult to manage alone, and that means you need an expert to help. The good news is that an expert will be able to solve the problem no matter what the underlying cause is.

First, you should use Kelley to find a repair shop in your area. Regardless of the make and model of your car or what problems you’re experiencing, an expert repair shop should be able to help you discover the problem and fix it as quickly as possible.

The KBB OBD-II database can also be massively helpful if you’re experiencing serious issues within your vehicle. With this database, you can quickly learn more about the various problems that you might see within your vehicle, ranging from simple to very complex.

P2015 Q&A

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