Collision Avoidance complaints by model year
Which parts fail
Components named in complaints (automatic emergency braking, adaptive cruise, lane keeping, backup camera).
Mileage when the problem started
What owners report
The contact leased a 2021 Acura TLX. The contact stated that while driving the vehicle, a loud abnormal, squealing noise would emit from the brake pedal upon depression without warning. The contact had taken the vehicle back to the dealer where they acknowledged the failure but stated that the parts for the repair were not yet available. The contact was given a loaner vehicle of the same model; however, the same failure occurred with the loaner vehicle. The contact returned to the dealer for the third time and was given a loaner vehicle of a different model. Upon return of the original vehicle, the brake noise had stopped; however, the forward collision avoidance brake warning light would intermittently illuminate on the instrument panel without incident. …
The contact owns a 2021 Acura TLX. The contact stated that whenever the radio was turned on and occasionally randomly, there was a crackling and popping sound heard in the speakers. The contact then stated that while shifted in reverse, the rear-view camera screen intermittently displayed a blank screen or delayed displaying an image. The contact then stated that the vehicle was taken to the dealer where it was diagnosed that there was a loose connection in the bus network. The contact was informed that the FAKRA connector set needed to be replaced. The vehicle was repaired however, the failure recurred. The vehicle was taken to an independent mechanic and then towed to the dealer where it was diagnosed that the FAKRA connector needed to be replaced. The vehicle was not repaired. …
The contact's husband owns a 2020 Acura TLX. The contact stated while her husband was driving 10-15 MPH, the vehicle made an abnormally loud revving sound. The contact stated that the failure had been recurring while driving. Additionally, the contact stated that the LKAS and other unknown safety features were inoperable while driving. Several unknown warning lights were illuminated. The vehicle was taken to the dealer, where it was diagnosed that the high-pressure fuel pump had failed and needed to be replaced. Additionally, the dealer determined that the safety camera system needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and a case was opened. The failure mileage was approximately 120,000.
The vehicle's dash states the following are malfunctioning: Road Departure Mitigation System, Adaptive Cruise Control, Auto High Beam, Collision Mitigation System, and Lane Keeping Assist. The vehicle is available for inspection upon request. A few days prior to this message appearing on the dash, the car flashed and beeped that I needed to BRAKE when there wasn't anything in front of me while driving. The car automatically braked without me doing anything. There weren't any vehicles behind me in that specific moment. With how sudden the car braked, this could have caused a collision. This vehicle has been repaired by the dealership where it was purchased, for this exact issue. The first sign of sensors malfunctioning was in January 2022 (I purchased the vehicle in June 2021). …
The contact owns a 2019 Acura TLX. The contact stated that the auto START/STOP system was inoperable, and the vehicle was repaired under TSB Number: 22-008. Additionally, the contact stated while driving at various speeds, the Lane Keeping Assist System (LKAS) was intermittently inoperable. The contact stated that on the occasions that the LKAS was operable while driving, the lane keeping assist caused the steering wheel to jerk and pull the vehicle into another lane. The contact stated that the failure had been recurring while driving. Additionally, the contact stated that the Collision Mitigation Braking System (CMBS) engaged while there was no other vehicle nearby. The contact stated while driving 70 MPH, the vehicle sputtered, jerked, decelerated, and significantly pulled towards side of the road. The contact was able to safely pull to the side of the road. …
2019 Acura TLX 28k miles - was slowing pulling into a parking spot in a parking garage downtown San Diego. Suddenly the car had no brakes while pressing the brake pedal to the floor with no resistance from the brakes, the car start revving hard and accelerating very fast. I stopped by hitting a brick barrier. Steering wheel and knee airbags deployed. Fortunately I arrived at work early that day and did not hit anyone or any other cars. Our Insurance company USAA said they can not repair the car. The automatic emergency equipment did not kick in either. Acura was advised of the issue case number [redacted]. Fortunately my injuries were minor cuts and bruising but if this incident had happened somewhere else it could have resulted in loss of life.
The contact owns a 2018 Acura TLX. The contact stated that while driving at an undisclosed speed, the Acura Watch warning light illuminated. The Adaptive Cruise Control, Lane Keep Assist System (LKAS), and Collision Mitigation warning lights were illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the Acura Watch bumper sensor. The vehicle was not repaired. The manufacturer was notified of the failure but provided no assistance. The failure mileage was 54,000.
I've bought my 2018 Acura TLX used from Holiday Mazda in [redacted] in [redacted] Now that my nightmare with the Auto Engine Idle is over(the shop that replaced my starter in November 2025 some how got it so it doesn't work anymore. But that's not my issue. I've had this issues 5-8 times in the last 2 years. I will be driving and my top screen in in the dash(it usually displays navigation, CarPlay, etc) will turn off and flash a couple times. Then it take out my "radio" screen. It's like it's resetting because the screens remind me when it electronics reset snd start up. It goes for a total of 2-3 times. Thank the Good Lord my car keeps driving safely. Here is the second issue. I've had my parking, forward collision, and the one where it says" object approaching." Off for 2 years now. When they are on they will start beeping and freaking out. …
Frequently asked questions
Which Acura TLX years have collision avoidance problems?
By NHTSA complaints, the 2015 (15), 2018 (11), 2021 (10), 2016 (7) and 2020 (6) model years. Collision Avoidance complaints make up 4% of all complaints for the 2015.
Is there a recall for Acura TLX collision avoidance problems?
No. NHTSA lists no driver assistance recall for any Acura TLX model year. A widespread problem may still be covered by an extended warranty or a manufacturer service bulletin, so ask a dealer.
At what mileage do Acura TLX collision avoidance problems start?
Across all years, half of the complaints with a recorded mileage happened before about 50,000 miles; 55% happened before 50,000 miles.
What part fails most often?
Owners most often name the warnings (21 mentions), followed by the automatic emergency braking (21).
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.