2023-2025 Acura Integra Rear ABS & EPB Harness: A Buyer's Guide
This critical component is more than just a wheel speed sensor; it's a combined wiring harness for the ABS and Electronic Parking Brake (EPB) systems, with key differences between trim levels.
- This part is a combined wiring harness for both the ABS sensor and the Electronic Parking Brake (EPB), not just a simple sensor.
- The part number for non-Type S models (47510-3S5-A01) is different from the Type S part; they are not interchangeable.
- Failure triggers multiple dashboard warnings, including ABS, VSA, and Brake System lights.
- When buying used, inspect the entire length of the wire for damage and ensure connectors are clean and intact.
Symptoms of a Failing Rear ABS and EPB Harness
When this combination harness fails, it typically triggers a cascade of warning lights on the dashboard because it disrupts signals to multiple safety systems. Look for a combination of the following:
- ABS Warning Light: The most common symptom is a solid amber "ABS" light.
- Brake System Warning Light: A general brake system warning may appear in the instrument cluster.
- Vehicle Stability Assist (VSA) Light: Since the VSA system relies on wheel speed data, its warning light will often come on as well.
- Electronic Parking Brake (EPB) Problem Light: A message or light indicating an issue with the parking brake system is a key sign that the harness, not just the sensor, is the problem.
- Disabled Safety Features: You may see messages indicating that features like cruise control, hill start assist, and parking sensors are disabled.
- Diagnostic Trouble Codes (DTCs): A proper scan tool can pull codes related to the specific wheel speed sensor circuit. 🎬 Watch: Learn how to diagnose bad ABS sensor symptoms Common codes for a right rear sensor issue include C0050 and C0051.
Pro Tip: Some owners on forums have reported these warning lights appearing intermittently due to excessive grease on the sensor from the factory or after a car wash, but a persistent set of lights usually points to a hardware failure. If the lights don't clear after a drive cycle, a faulty harness is likely.
Known Issues, Recalls, and Technical Service Bulletins (TSBs)
As of this writing, there are no recalls or widespread TSBs specifically for the ABS/EPB wiring harness on the 2023-2025 Acura Integra.
However, there is a relevant recall for some 2023 Integra models:
- NHTSA Recall 23V-458: This recall addresses a potential internal leak in the Vehicle Stability Assist (VSA) modulator. A faulty VSA modulator can cause similar brake system warnings. It is important to have an Acura dealer check your VIN to see if this recall applies and has been completed before you spend money diagnosing a harness issue.
Other recalls for this generation relate to the steering gearbox and seat frames, not the braking system electronics.
Warning: The part number 47510-3S5-A01 is for the Rear Right (Passenger Side) harness on models WITHOUT the Type S package. The Type S model has different brakes and suspension, requiring a different part. Always verify the part number for your specific vehicle and side before purchasing.
Buying a Used 2023-2025 Integra ABS/EPB Harness
A used OEM harness is often a smart choice over new aftermarket alternatives, which may not have the same quality connectors or exact fitment. Here’s what to look for when buying used:
- Verify the Part Number: This is the most important step. You must match the OEM part number exactly. For the rear right, non-Type S model, this is 47510-3S5-A01. The rear left harness will have a different number.
- Inspect the Full Length of the Wire: Carefully examine the entire harness for any signs of damage. Look for cuts, scrapes, or areas where the protective sheathing is worn through. Pay close attention to the areas around mounting clips, as this is where chafing can occur.
- Check the Connectors: Inspect both ends of the harness. The plastic connectors should be free of cracks, and the metal pins inside should be straight and clean, with no signs of corrosion or water intrusion.
- Examine the Sensor Head: Look at the magnetic sensor at the end of the harness. It should be clean and free of physical damage or heavy buildup of metallic debris.
Cost Comparison
| Part Type | Estimated Cost |
|---|---|
| New OEM (Dealer) | $45 - $65 |
| New Aftermarket | $25 - $50 (generic sensor, may not include full harness) |
| Used OEM | $20 - $40 |
| Shop Labor for Replacement | $100 - $200 |
Replacement Overview & Difficulty
Replacing the rear ABS/EPB harness is a straightforward job for a DIY mechanic with some experience. The process generally involves:
- Lifting the rear of the vehicle and removing the wheel.
- Locating the sensor, which is typically held to the wheel hub or knuckle by a single 10mm bolt.
- Disconnecting the harness from the EPB motor on the brake caliper.
- Carefully unclipping the harness from its various mounting points along the suspension and body.
- Disconnecting the main harness connector, which is usually located behind the wheel well liner or inside the trunk area.
- Routing the new harness along the same path and securing all clips.
- Connecting both ends and re-installing the sensor bolt.
After replacement, the warning lights on the dashboard should go out on their own after a short drive. No special programming is required.
Frequently Asked Questions (FAQ)
Is this part the same for the left and right sides?
No. The part number 47510-3S5-A01 is specifically for the rear right (passenger) side. The rear left (driver) side uses a different part number (57475-3S5-A01 for the sensor assembly, with a corresponding harness).
What is the difference between the Type S and non-Type S harness?
The Acura Integra Type S features larger Brembo brakes and a different suspension setup compared to the standard models. These differences in hardware mean the mounting points, wire lengths, and possibly connectors for the ABS/EPB harness are not the same. You must use the correct harness for your vehicle's trim level.
Can I just replace the sensor instead of the whole harness?
No. For this specific vehicle, the ABS wheel speed sensor is integrated into the wiring harness that also connects to the Electronic Parking Brake. It is sold as a single assembly from the factory. Attempting to splice in a new sensor is not recommended, as it can lead to unreliable performance and further electrical issues.
Will I need to reset the computer after installing a new harness?
Typically, no. Once the new, functioning harness is installed correctly, the ABS control module will recognize the valid signal from the sensor. The warning lights on the dashboard should turn off by themselves after you start the car and drive a short distance.
🎬 Watch: How to reset stubborn ABS and VSA lightsHelpful Videos
Technical Specifications
OEM Part Numbers: 47510-3S5-A01
Positions: Rear Right (Passenger Side). Description: ABS Wheel Speed Sensor Wiring Harness, Harness R EPB. Notes: For models without Type S package.
We Have This Part in Stock
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.
- Acura Integra: