Electrical complaints by model year
Which parts fail
Components named in complaints (battery, alternator, wiring, ignition, instrument cluster, infotainment).
Mileage when the problem started
What owners report
We have a 2022 Acura TLX Type S and it has started to show an errors - Adaptive Damper System Problem. From what I can gather from reviewing articles on the Internet is that this problem is caused because of poor wiring design by Honda / Acura, which is causing speed sensors electronics to erode. There are also articles that Honda /Acura is aware of this problem and is currently gathering data. Our concern is that in Michigan, if you have these problems, specially during winter when the roads are icy - if your drive type is stuck in the wrong mode - That can be a safety hazard. Example -The adaptive damper system can cause the automobile to be stuck in sports mode on an icy road, making it dangerous to drive............ Further, consumers are aware that this is a fault of the manufacturer, in the way the wiring harness is routed within the automobiles chassis. …
I'm Owner of a Acura model: TXL Year:2022, VIN: [redacted] I send my car after 7 days of purchase to the dealer because the car wasn't started and all the dash light start blinking. Dealer said that this was not warranty cover because I tint the windshield and this create some humidity on the connector that go to the MICU. I need that you please start looking this issue because in a lot of forums another people start getting the same electrical issue even without tint the windshield. My car was only 130 miles when go the dealers, and per my understanding this can't be the issue because if we follow this excuse then we never can be do a detailing on the interior on the car or even to the dash because any product can be cause a humidity to the connector. Can you please verify if this statement is TRU or not? …
On October 4, 2026, at approximately 6:55 PM, the 2021 Acura TLX suffered a catastrophic and sequential collapse of its primary safety and electronic control systems while in motion. Without warning, the vehicle's dashboard suddenly illuminated with a cascade of severe system malfunctions, beginning with a critical "Brake System Problem" warning, immediately followed by a "Power Steering System Problem," which caused the steering wheel to become dangerously heavy and difficult to maneuver. Simultaneously, a string of secondary critical alerts flashed across the information display, including a "Lane Assist System Problem," effectively disabling the vehicle's automated driver-assist, traction, and stability networks. This total electronic network blackout culminated moments later in a severe collision that caused significant structural damage, including a snapped front axle. …
The contact owns a 2021 Acura TLX. The contact stated that while attempting to start the vehicle on one occasion, the vehicle would not start-up. The contact had the vehicle towed to the local dealer to be inspected. The mechanic was unable to duplicate the failure. The vehicle was started and driven back to the residence. A few days after taking the vehicle to the dealer, the contact noticed that while driving at undisclosed speed, the brake pedal was depressed and there was a loud cranking noise coming from the front end of the vehicle. The contact took the vehicle back to the local dealer to perform a diagnostic test on the vehicle. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 270.
The contact owns a 2020 Acura TLX. The contact received notification of NHTSA Campaign Number: 23V751000 (ENGINE AND ENGINE COOLING) and an unknown recall for the tires, and another for the trim around the doors. The contact stated that the recall repairs were completed. The contact's son picked up the vehicle from the dealer and noticed that the front windshield was cracked. Additionally, while driving 65 MPH, the vehicle vibrated abnormally, and the driver was unable to control the vehicle. The contact stated that the front passenger's side tire detached from the vehicle. The driver was able to regain control of the vehicle and pulled over to the side of the road. …
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 while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The contact stated that several unknown warning lights illuminated and the back-over prevention camera was independently enabled. In addition, the vehicle stalled, and the vehicle lost motive power. The vehicle was taken to the dealer; however, the failure was not duplicated. The contact stated that the vehicle was taken to several different dealers over a dozen times, however, the failure was not duplicated. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The manufacturer was made aware of the failure and a case was filed. The manufacturer had an electrical technician to inspect the vehicle; however, the failure was not duplicated. …
The contact owns a 2019 Acura TLX. The contact stated that the vehicle was experiencing battery drainage failure. The contact stated that the vehicle failed to start. The vehicle was towed to an unknown dealer several times. The dealer replaced the battery twice; however, the failure persisted. The vehicle was towed to a second unknown dealer; however, the cause of the failure could not be determined. The contact replaced the battery. The manufacturer was notified of the failure and informed the contact that they could assist after the vehicle had been diagnosed. The vehicle was not diagnosed or repaired. The failure mileage was approximately 6,000.
Frequently asked questions
Which Acura TLX years have electrical problems?
By NHTSA complaints, the 2015 (64), 2016 (24), 2018 (20), 2019 (12) and 2020 (10) model years. Electrical complaints make up 19% of all complaints for the 2015.
Is there a recall for Acura TLX electrical problems?
No. NHTSA lists no electrical system 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 electrical problems start?
Across all years, half of the complaints with a recorded mileage happened before about 39,000 miles; 58% happened before 50,000 miles.
What part fails most often?
Owners most often name the instrument panel › speedometer/odometer (2 mentions), followed by the 12v/24v/48v battery (2).
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.