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Lane Keep Assist / Adaptive Cruise Control Errors on 2024 Integra

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James R. · rep 0 · May 22, 4:58 AM · 1 replies · solved · Question

Vehicle: 2024 Acura Integra A-Spec Tech

My brand new 2024 Acura Integra A-Spec with Technology package is throwing intermittent errors for the Lane Keep Assist System (LKAS) and Adaptive Cruise Control (ACC). Sometimes I get a "LKAS System Problem" message, and the ACC will disengage. It usually clears after restarting the car, but it's happening more frequently.

The car hasn't been in any accidents, and the front sensor area (behind the Acura emblem) seems clean. Could this be a software glitch, or is there a sensor calibration issue? It's worrying on a new vehicle.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 4:58 AM

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ClearTheCode admin answer:

It's definitely concerning to experience issues with advanced driver-assistance systems (ADAS) on a brand new 2024 Acura Integra. These systems rely on a complex network of sensors, cameras, and control modules. Intermittent errors often point to specific issues:

  1. Sensor Obstruction (Even Minor): While you mentioned the area is clean, even a small amount of dirt, frost, or a bug on the radar sensor (often behind the Acura emblem) or the windshield-mounted camera can temporarily disrupt these systems. Ensure the windshield area in front of the camera is spotless.
  2. Software Glitch: As with any complex electronic system, a software bug or a minor corruption in the system's programming can cause intermittent faults. Sometimes, a system reset or software update is needed.
  3. Sensor Calibration: The radar sensor and camera are highly sensitive and require precise calibration. Even a slight misalignment (which can happen during manufacturing or from minor bumps, though you mentioned no accidents) can cause errors. If the system thinks it's misaligned, it will disable itself for safety.
  4. Wiring or Connection Issue: A loose or corroded electrical connection to one of the ADAS sensors or its control module could cause intermittent data loss, leading to system errors.
  5. Faulty Sensor/Module: Less common on a new vehicle, but a component could be defective from the factory.

When to See a Shop: Given that your Integra is brand new and under warranty, your immediate and best course of action is to take it to an authorized Acura dealership. They have specialized diagnostic equipment to:

  • Read specific diagnostic trouble codes (DTCs) related to the LKAS, ACC, and other ADAS systems. These codes can pinpoint the exact sensor or module causing the issue (e.g., U0401 for invalid data received from ECM/PCM, or specific codes for radar/camera faults).
  • Perform a full system scan and check for any pending software updates.
  • Check the calibration of the radar unit and front camera using specialized targets and software.
  • Inspect wiring harnesses and connections to the relevant sensors and control units.

Do not attempt to self-diagnose or repair ADAS systems, as improper handling can compromise safety features.

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