Honda Civic Automatic Transmission Input Shaft Speed Sensor Guide (2001-2009)
Experiencing harsh shifting or a flashing "D" light? Your input shaft speed sensor might be the culprit.
- A blinking 'D' light combined with harsh shifting strongly points to a transmission sensor issue.
- This is a common and relatively simple DIY repair that requires basic tools and removing the airbox for access.
- Choosing a quality aftermarket brand like NGK or Standard Ignition is a reliable, cost-effective alternative to OEM.
- While this sensor is a common failure, be aware that 7th generation (2001-2005) Civics had more serious, widespread automatic transmission problems.
Is Your Civic's Transmission Acting Up?
If your 2001-2009 Honda Civic has an automatic transmission that's shifting harshly, hesitating, or causing the "D" light on your dash to blink, a failing input shaft speed sensor is a common suspect. This sensor is a key part of the transmission system, and when it fails, it can make your car difficult to drive. This guide will walk you through the symptoms, replacement options, and what to expect when dealing with this issue.
Symptoms of a Failing Input Shaft Speed Sensor
A bad input shaft speed sensor can cause several noticeable problems. The most common is a blinking "D" (Drive) indicator light on your dashboard, which is Honda's specific warning for a transmission-related fault. You may also experience:
- Harsh or Erratic Shifting: The transmission may slam into gear or shift at the wrong times.
- Delayed Shifting: The engine may rev high before the transmission finally shifts to the next gear.
- Check Engine Light: The car's computer may store a trouble code, such as P0715, P0716, or P0717, and turn on the check engine light.
- Limp Mode: In some cases, the transmission may get stuck in one gear to prevent further damage.
7th Gen (2001-2005) vs. 8th Gen (2006-2009) Civics
The automatic transmissions in the 2001-2005 Civics are known 🎬 See this walkthrough for replacing the sensor on 01-05 models. to have more widespread issues than the 8th generation models. While a speed sensor is a relatively minor and common failure point, be aware that early 7th gen models had more significant internal transmission problems. The 8th gen automatic transmissions are generally considered more robust.
Choosing the Right Aftermarket Part: NGK vs. Standard Ignition
When replacing this sensor, you don't necessarily need to buy the expensive OEM part from a Honda dealer. High-quality aftermarket brands offer a reliable and cost-effective alternative. For a critical sensor like this, it's best to stick with reputable names.
- NGK (NTK): NGK is a well-respected brand, and their sensor line is often sold under the NTK name. They are a major OEM supplier for many car manufacturers and are known for their quality and reliability. An NTK sensor is an excellent choice for your Civic.
- Standard Ignition (SMP): Standard Motor Products is another long-standing, trusted aftermarket manufacturer. They produce a wide range of automotive electronics that meet or exceed OEM specifications.
For electronic parts like this, it's wise to avoid the cheapest no-name options. Sticking with a known brand like NGK or Standard Ignition provides peace of mind and ensures the part will communicate correctly with your Civic's computer.
Cost of Replacing the Input Shaft Speed Sensor
| Part/Service | Estimated Cost |
|---|---|
| New OEM Part | $85 - $135 |
| New Aftermarket Part (Your Range) | $34.15 - $97.88 |
| Used OEM Part | $20 - $50 |
| Shop Labor | $75 - $115 |
Frequently Asked Questions
Where is the input shaft speed sensor located?
On the 2001-2009 Civic, the input shaft speed sensor is located on the outside of the transmission, typically on the top or side, making it relatively accessible. On 8th gen (2006-2011) models, you will likely need to remove the air filter box assembly 🎬 Watch: How to replace the input speed sensor on 8th gen Civics. to gain access. The input sensor is often located near the output speed sensor; they look similar but are not interchangeable.
Can I replace this sensor myself?
Yes, this is a DIY-friendly job for many home mechanics. The process involves removing the airbox, unplugging the electrical connector, removing a single 10mm bolt, and carefully twisting the old sensor out. Be sure to clean the mounting area before installing the new sensor and apply a small amount of transmission fluid to the new O-ring to ensure it seals properly.
Do I need to do anything after replacing the sensor?
After replacing the sensor, it's a good idea to clear the diagnostic trouble codes from the computer using an OBD-II scanner. You can also disconnect the battery for about 15 minutes to reset the ECU, but clearing the codes with a scanner is the preferred method.
Is there a recall for this sensor?
No, there are no specific recalls for the transmission speed sensor on the 2001-2009 Honda Civic. There have been numerous recalls for airbags on these models, but none address this particular component.
Helpful Videos
Technical Specifications
OEM Part Numbers: 28810-PPP-013 28810-PPW-013 28810-RPC-013 28810-RPC-003
This is a magnetic pickup sensor that generates a signal based on the rotation of a toothed reluctor wheel on the transmission's input shaft. It is secured by a single 10mm bolt and uses a 2-pin electrical connector.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Honda Civic:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Is Your Civic's Transmission Acting Up?
- Symptoms of a Failing Input Shaft Speed Sensor
- 7th Gen (2001-2005) vs. 8th Gen (2006-2009) Civics
- Choosing the Right Aftermarket Part: NGK vs. Standard Ignition
- Cost of Replacing the Input Shaft Speed Sensor
- Frequently Asked Questions
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