Hyundai does not currently have a broad, nationwide recall specifically titled for knock sensors. Recall status is typically issued on a VIN-by-VIN basis, so you should check your vehicle’s VIN against official recall databases to confirm eligibility.
Understanding the issue and the recall landscape
What knock sensors do
Knock sensors monitor engine pinging and adjust ignition timing to prevent damage and preserve performance. When a knock sensor or its wiring fails, symptoms can include reduced power, fluctuating idle, the check engine light, or poor fuel economy. Recalls or service campaigns may address sensor reliability, wiring, or related engine-control components.
Why recalls occur
Recalls are issued when a regulator or automaker determines a safety-related defect or noncompliance could affect vehicle operation. For knock-sensor related issues, campaigns typically focus on sensor wiring, connector integrity, or software/ECU calibration that could cause false readings or misdiagnosis of engine knock.
Current recall status for Hyundai knock-sensor issues
To verify whether your specific Hyundai is affected by any recall—including those related to knock sensors—use official sources and your VIN. Public recall listings are updated as campaigns are opened or closed, and they are model-year and VIN-specific.
How to check recall status for your Hyundai
- Locate your vehicle’s VIN. The VIN is usually visible on the driver's side dashboard near the windshield or on the driver’s door jamb. You can also find it on your vehicle registration and insurance documents.
- Visit official recall resources. Use the NHTSA recall database (safercar.gov) or Hyundai’s official recall page for your region.
- Enter your VIN to query active recalls and campaigns. The results will show whether your vehicle is eligible for a repair under any current or past campaigns.
- Review the recall details. If a knock-sensor-related issue appears, note the campaign number, model year, and required repair actions.
- Contact a Hyundai dealer if a recall is indicated. Schedule a free repair and bring your VIN and any relevant information.
In summary, there is no blanket, nationwide Hyundai recall solely for knock sensors listed in current public databases. However, VIN-specific checks are essential, as some vehicles may be covered by related campaigns addressing sensor wiring, harnesses, or engine-control issues.
What to do if your vehicle is affected
If your VIN shows an active recall (or if you notice symptoms like engine misfires, reduced performance, or the check engine light coming on), have Hyundai perform the repair at no charge under the recall terms. If there is no active knock-sensor recall for your VIN, consider asking the dealership to inspect related components such as wiring harnesses and sensor connectors, as sometimes campaigns address these areas even when the specific knock-sensor recall isn’t listed for your VIN.
Note: Recalls and service campaigns can change. Even if your vehicle isn’t listed today, periodically re-check official sources—new campaigns can be announced that affect previously unaffected VINs.
Summary
Current public listings do not show a broad Hyundai recall specifically for knock sensors. However, recall eligibility is VIN-dependent, and related campaigns addressing sensor wiring or ECUs may apply to some vehicles. Always verify with your VIN through NHTSA and Hyundai’s official recall portals, and contact a dealer to schedule any eligible repairs at no cost.
Which models of Hyundai are being recalled?
The potential seat belt defect affects certain 2023-2025 Hyundai Ioniq 6 models, 2023-2026 Genesis G90 vehicles and 2024-2026 Santa Fe and Santa Fe Hybrid models. According to the NHTSA, dealers will “inspect and reinforce or replace the seat belt anchors, as necessary, free of charge.”
How much does it usually cost to fix a knock sensor?
between $397 and $574
The average cost for a Knock Sensor Replacement is between $397 and $574. Labor costs are estimated between $279 and $409 while parts are priced between $119 and $165.
How much is a Hyundai knock sensor?
The average cost for a Hyundai Sonata Knock Sensor Replacement is between $235 and $324.
What is the Hyundai engine knock lawsuit?
The lawsuit alleges that the Class Vehicles suffer from a defect that can cause engine seizure, stalling, engine failure, and engine fire, that engine seizure or stalling can be dangerous if experienced and that some owners and lessees have been improperly denied repairs under the vehicle's warranty.