What Codes Will This Page Cover?
On this page, you’ll learn more about the following four codes:
- P0715 Diagnostic Code – Input/Turbine Speed Sensor “A” Circuit
- P0716 Diagnostic Code – Input/Turbine Speed Sensor “A” Circuit Range/Performance
- P0717 Diagnostic Code – Input/Turbine Speed Sensor “A” Circuit No Signal
- P0718 Diagnostic Code – Input/Turbine Speed Sensor “A” Circuit Intermittent
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What Is the P0715 Code?
Symptoms
Causes
Seriousness
Can I Still Drive?
Diagnose
Difficulty of Inspecting
Get Additional Help
These codes are specific to your vehicle’s transmission. Your vehicle’s powertrain control module (PCM) will regularly check to make sure that the speed sensor is sending the correct voltage back into the circuit. Different codes will indicate that different problems have occurred, indicating that your engine may not be functioning at the correct speed.
More About the P0715, P0716, P0717, and P0718 Codes
The differences between these codes have to do with the specific ways that the sensor is indicating an issue. Here are the unique elements of each code:
- P0715: General issues with the circuit. An overarching irregularity in the signal.
- P0716: The input signal is erratic or incorrect, outside of the typical range of the circuit.
- P0717: The PCM is receiving no signal whatsoever from the circuit.
- P0718: The input signal connects sometimes, but not all the time. This may indicate that at times, the circuit is fully connected, functioning properly, and at some times, it is either malfunctioning or not functioning at all.
Remember to read the description of the code to make sure you’re tackling the right problem.
What Are the Symptoms of a P0715 Code?
The symptoms of these codes can vary depending on which code you’re receiving, as well as the severity of the problem and your car’s make and model. Some cars’ programming may put it into fail-safe, limp, or home mode as a result of these codes, where your vehicle’s necessary functions are the only ones that work appropriately. You will also see the check engine light illuminated.
What Are Some Causes of a P0715 Code?
These codes are incredibly broad, and the make and model of your vehicle may impact the potential causes of these codes. The most common causes include an issue with the input speed sensor or speed sensor circuit. In some cases, you might see a problem with the PCM, but this is very rare, and you should only consider this as a last resort.
How Serious Is the P0715 Code?
The P0715, P0716, P0717, and P0718 codes can be very serious. Because they have to do with your transmission’s RPM, continuing to drive your vehicle with no care for these codes can eventually lead to serious problems within the vehicle’s engine, potentially resulting in much more significant damage that can be incredibly expensive to fix. Assume that the code is very serious and fix it as soon as possible.
Can I Still Drive with a P0715 Code?
In some cases, you may not physically be able to drive with the P0715, P0716, P0717, and P0718 codes. Even if you physically can drive with these codes, you should only drive to your local retailer. It is not generally seen as safe to drive with these codes active for long periods of time.
How Easy Is It to Diagnose a P0715 Code?
These codes are complex. Because the codes only indicate a very general problem, you’ll need to do the work yourself to determine what problem your vehicle is actually experiencing. If you do not understand how a well-functioning vehicle of your make and model looks and functions, then you should avoid trying to diagnose the P0715, P0716, P0717, and P0718 codes yourself.
How Difficult Is It to Inspect a P0715 Code?
Inspection is similarly difficult for P0715, P0716, P0717, and P0718 codes. Instead of trying to fix this problem on your own, it’s best to allow an expert to inspect, diagnose, and solve the problem, as they’ll be able to understand what the problem is and how to help.
Need Additional Help with Your P0715 Code?
The P0715, P0716, P0717, and P0718 codes can all trigger due to a number of different causes, and this code can cause serious problems within your engine both now and in the future. If you’re experiencing any of these codes within your engine, then it’s a good idea to get an expert involved to help you fix the underlying problem you’re experiencing.
This means one of the first steps is to find a repair shop in your area using the Kelley locator. This makes it easy for you to discover a local repair shop that will help you get your vehicle back to proper functioning and back on the road.
If you’re a DIYer and you want to learn more about the different error codes your vehicle may throw, then the KBB OBD-II database is a great place to start. This is where you can start to learn the different error codes and look up any codes you’re already dealing with.
P0715 Q&A
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