2023 Toyota RAV4: headlights failing or too dim

Filed Nov 9, 2026 · Driver assistance, Electrical · CA

SAFETY RISK!!!! Component: Forward Collision Avoidance / Lane Departure / Electrical System / Exterior Lighting Description: While driving my 2023 Toyota RAV4 XSE, the dashboard suddenly displayed simultaneous critical safety errors: "Front Camera Unavailable," "RSA Malfunction" (Road Sign Assist), and "Pre-Collision System (PCS) Malfunction." Recently, the "Headlight System Malfunction" warning also triggered because the Automatic High Beam (AHB) system relies on the same sensor. An official diagnosis by a certified Toyota dealership confirmed Diagnostic Trouble Code (DTC) C1A9447: Image processing microcomputer in front recognition camera watchdog/safety MCU failure. The dealership confirmed this is an internal component hardware failure requiring a full camera replacement and ADAS calibration. Safety Risk: This manufacturing defect completely disables the vehicle’s Pre-Collision System, entirely removing automated emergency braking, lane-keep safety features, and automatic high-beam headlight safety controls without warning. Driving without automated emergency braking puts the driver, passengers, and surrounding traffic at an immediate risk of an unmitigated collision. Toyota is aware of these microcomputer watchdog failures via internal Technical Service Bulletins but is forcing consumers to pay over $2,100 out-of-pocket to repair a failed factory safety module. A formal safety investigation and recall are urgently required to address this widespread component defect.

Filed Jul 7, 2026 · Driver assistance · WV

Back up camera stopped working screen is black when put into reverse. Approximately 2 weeks after camera stopped working warnings appeared on dash headlight system malfunction pre collision system malfunction rear cross traffic alert malfunction blind spot monitor malfunction LTA malfunction. There is no current recalls on this particular car but others of same make and model have recalls with same issues

Filed Jun 30, 2026 · Driver assistance, Electrical · NY

The front camera is known to overheat in weather that exceeds 70°F. Which disables the AEB, Cruise Control, Lane Keep, Automatic Headlights, and Automatic Wipers.

Filed Nov 22, 2025 · Driver assistance · WA

Vehicle shows multiple safety systems malfunction and display warning messages. The vehicle displays repeated alerts including LTA (Lane Tracing Assist) Malfunction, Pre-Collision System Malfunction, RSA (Road Sign Assist) Malfunction, and Headlight System Malfunction. These warnings occur while the vehicle is in motion or parking and cause the safety features to shut off unexpectedly.

Filed Nov 7, 2025 · Driver assistance, Electrical · CA

While driving or idling, the pre-collusion, RSA malfunction, Headlight system malfunction, and LTA system malfunction will go off as well as my navigation on my screen. Its been going on and off for 7 months now. It works, then it doesn't. I don't want to take it in because I know they're famous for making me pay high dollar fees for anything and everything. Toyota is horrible for their services and just want the money. I never had any issues with my car until I got a nail in my tire that was an easy fix (that they also wanted to keep my car overnight for a patch).

Filed Jan 20, 2025 · Driver assistance · FL · crash

Rearview camera quit for 3-4 seconds when I was backup. There was a car in my blind spot, aft right quarter, that I couldn't see and I hit his left front panel/headlight causing $2200. damage to his car plus my car.

Filed Apr 13, 2024 · Driver assistance · IA

Pre collision malfunction, RSA malfunction, LTA malfunction, Headlight malfunction. These warnings keep coming up showing the vehicle is not safe. Parts were ordered in February but are on back order. Might get by June. Vehicle has also rebooted the screens, tried to lane change, and failed to start once. To me this is a programming problem. This has been an on going problem for months now. The dealership claims that it is a wonky camera causing the problem.