2023-2025 VinFast VF 8 Ride Height Sensor: ADAS Faults & Calibration Guide
This guide covers failure symptoms, ADAS calibration needs, and how to buy a reliable used ride height sensor for your 2023-2025 VinFast VF 8.
- Replacement requires mandatory ADAS calibration with a dealership-level scan tool; the part will not work without it.
- A faulty sensor disables critical safety features like ADAS and automatic headlight leveling.
- This sensor provides data to the ADAS, and a failure can cause or worsen the erratic steering behavior described in NHTSA recall 25V-559.
- Ensure you are buying the correct position-specific sensor (e.g., front left) from a 2023-2025 VF 8, as parts from other vehicles are not compatible.
Symptoms of a Failing Ride Height Sensor
A faulty ride height sensor on a VinFast VF 8 will primarily cause issues with the electronic systems that rely on its data. Unlike vehicles with air suspension, you will not see a corner of the car sagging. Instead, look for these specific electronic symptoms:
- ADAS Malfunction Warnings: A common symptom is a warning message on the main display related to the Advanced Driver Assistance System (ADAS). The system may disable features like Adaptive Cruise Control, Lane Keep Assist, or Automatic Emergency Braking because it cannot get reliable data about the vehicle's orientation.
- Headlight System Warning Light: The dashboard may display a warning light indicating a fault with the automatic headlight leveling system.
- Incorrect Headlight Aim: The headlights may be aimed permanently down at the ground, severely limiting visibility at night, or aimed too high, blinding oncoming drivers. This happens because the system can no longer correctly adjust for the vehicle's load and angle.
- Erratic Lane Keep Assist: While the VF 8 has a known recall for erratic ADAS behavior, a faulty ride height sensor can cause or worsen these symptoms by feeding the system incorrect data about the car's roll and pitch in turns.
Known Issues, Recalls, and Technical Service Bulletins (TSBs)
While there are no specific recalls for the ride height sensor itself as of mid-2026, its function is directly related to a major safety recall for the VF 8's ADAS.
NHTSA Recall 25V-559: Unexpected ADAS Steering Inputs
VinFast issued a recall for 6,314 VF 8 vehicles from model years 2023-2025 due to a software issue in the ADAS. The defect could cause the Lane Keep Assist (LKA) system to make unexpected steering movements, particularly in wide, sweeping turns, which could be difficult for the driver to override and increase the risk of a crash. The fix is a software update performed by dealers. A failing ride height sensor provides bad data to this exact system, which could lead to similar unpredictable behavior even after the software fix is applied.
Pro Tip: If your VF 8 is experiencing erratic steering or ADAS warnings, first ensure the 25V-559 recall has been performed. If the issue persists, the ride height sensor(s) should be a primary component to inspect.
Buying a Used 2023-2025 VinFast VF 8 Ride Height Sensor
Buying a used OEM ride height sensor is a smart way to save money, as new aftermarket options are not widely available for the VF 8. However, because this part is critical for safety systems, careful inspection is key.
Physical Inspection Checklist:
- Check the Arm and Linkage: The plastic or metal arm should be straight and free of cracks. The pivot points should move smoothly without binding or excessive looseness. Seized or broken linkage rods are a common failure point.
- Inspect the Sensor Body: Look for any cracks, heat damage, or signs of melting on the plastic housing. An eBay listing for a used sensor noted burn damage, so inspect this area carefully.
- Examine the Electrical Connector: The connector pins should be straight, clean, and free of any green or white corrosion. The connector housing should not be cracked or broken.
Compatibility and Part Numbers
Fitment for this part is specific to the 2023-2025 VinFast VF 8. Be extremely cautious of listings that claim the part fits a wide variety of makes and models; these are incorrect. The sensors are position-specific (e.g., front left, front right, rear left, rear right) and are not interchangeable. Always match the part number from your old sensor to the one you are buying.
- Known Part Number (Front Left): CHS10002432
Replacement and ADAS Calibration
Physically replacing the sensor is straightforward, but the required electronic calibration makes this a challenging job for a DIY mechanic.
Installation Difficulty: 4 out of 5
- Mechanical Replacement (2/5): The sensor is typically held on by one or two small bolts, and the linkage arm snaps onto the control arm. Access may require removing a wheel.
- Electronic Calibration (5/5): This is the difficult and mandatory part of the job.
Warning: Professional Calibration is Required. After replacing a ride height sensor, the vehicle's ADAS and headlight control modules must be calibrated. This process tells the car the new sensor's 'zero' or baseline position. Without calibration, the new part will not work correctly, and you will continue to have ADAS and headlight system faults. This procedure requires a dealership-level diagnostic scan tool with VinFast-specific software and cannot be done with standard OBD-II code readers.
Cost to Replace a VinFast VF 8 Ride Height Sensor
Costs are estimates, as official dealer pricing for this specific part is not widely published. The main cost driver is the labor for the required ADAS calibration.
| Part/Service | Estimated Cost |
|---|---|
| New OEM Part | $250 - $400 (estimate) |
| New Aftermarket Part | Not widely available |
| Used OEM Part | $75 - $150 |
| Shop Labor (including calibration) | $200 - $400 |
| Total Estimated Cost | $300 - $800 |
Frequently Asked Questions (FAQ)
Can I drive with a bad ride height sensor?
Yes, but with limitations. The vehicle is mechanically safe to drive, but critical safety systems like ADAS and automatic headlight leveling will be disabled. This means features like lane-keeping assist will not work, and your headlights may be aimed dangerously low, reducing night visibility.
Why does the new sensor need to be calibrated?
Calibration syncs the new sensor with the car's computer. It establishes a new baseline or 'zero point' for ride height. Without this step, the computer receives signals that don't make sense, assumes the part is still faulty, and keeps the safety systems disabled.
Is the front ride height sensor the same as the rear one?
No. Front and rear sensors almost always have different part numbers and are not interchangeable. They are designed with different mounting points and arm lengths to fit the specific geometry of the front and rear suspension.
Will a bad ride height sensor make my VF 8's ride bouncy?
No. The 2023-2025 VinFast VF 8 uses a conventional coil spring suspension, not an adaptive or air suspension. The ride height sensor only provides data; it does not control the stiffness or height of the suspension. The widely reported bouncy ride quality of the VF 8 is related to its general suspension tuning, not a faulty sensor.
Technical Specifications
OEM Part Numbers: CHS10002432
Provides variable electrical signal based on suspension arm angle. Connects to ADAS and body control modules.
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.
- VinFast VF 8:
- 🛍️ Shop This Part
- Symptoms of a Failing Ride Height Sensor
- Known Issues, Recalls, and Technical Service Bulletins (TSBs)
- NHTSA Recall 25V-559: Unexpected ADAS Steering Inputs
- Buying a Used 2023-2025 VinFast VF 8 Ride Height Sensor
- Physical Inspection Checklist:
- Compatibility and Part Numbers
- Replacement and ADAS Calibration
- Cost to Replace a VinFast VF 8 Ride Height Sensor
- Frequently Asked Questions (FAQ)
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