2020 Acura TLX Electrical system Problems
- Complaints
- 10about this part
- Share
- 16%of 63 total for the year
- Median mileage
- 90,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 10 complaints about the electrical system of the 2020 Acura TLX, 16% of the 63 complaints for this model year. Where a mileage was given, the median is 90,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The cars Emission Systems and Parking Brake lights come on, and the dealer can not diagnose this issue properly. I have taken it in 4 times, and it continues to happen. I fear the parking brake coming on while driving.”
NHTSA complaint #11735228, filed 2026-05“My Acura TLX was stolen on from my driveway in Chicago, IL. The vehicle was locked, and the only key fob was about 200 feet away inside home at the time. The thief was able to unlock, start, and drive away the vehicle without the authorized key fob. Component that failed: The vehicle's anti-theft and keyless entry/ignition security system smart key/immobilizer failed to prevent unauthorized entry and engine start. The vehicle and component are not available for inspection yet but the vehicle was recovered and located. …”
NHTSA complaint #11768032, filed 2026-09“49,622 mark on my 2020 Acura tlx AWD… auto stop was enabled, car was at stoplight, engine attempted to re-engage but did not and car went into “neutral”… and the lights stayed on. I immediately turned on blinkers to avoid crash and and attempted to re start car, I shifted into Park, shut down car and re-started it successfully. I am seeking repair or disablement of the auto stop system, this is a safety hazard to myself and my family as well as others who had to go around while the issue was being troubleshooted. This appears to be related to Investigation:EA25004”
NHTSA complaint #11700396, filed 2025-11“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. …”
NHTSA complaint #11632548, filed 2024-12“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. …”
NHTSA complaint #11685745, filed 2025-09, 90,000 milesRelated service bulletins
- 10215507Jun 25, 2022Tech line summary article - Clients are experiencing multiple warning lights coming on with DTC C1600-94 Precision All Wheel Steer System Unexpected Operation. Do an all DTC…
- 10215501Jun 15, 2022"Customer letter - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. To ensure your confidence in…
- 10215500Jun 14, 2022"Customer letter - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Acura is providing a product…
- 10211082Apr 9, 2022Service bulletin - Under certain circumstances, after coming to a stop and engaging idle stop the vehicle may not restart automatically due to excessive cylinder pressure and/or…
- 10211081Apr 8, 2022Service bulletin - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Typically, the customer can…
- 10211083Apr 6, 2022Tech line summary article - Clients are experiencing multiple warning lights coming on with DTC C1600-94 (Precision All Wheel Steer System Unexpected Operation). You need to do…
- 10210101Mar 30, 2022"Service bulletin - Under certain circumstances, after coming to a stop and engaging idle stop the vehicle may not restart automatically due to excessive cylinder pressure and/or…
- 10210100Mar 30, 2022"Service bulletin - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Typically, the customer can…
- 10210096Mar 28, 2022Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on…
- 10208407Feb 22, 2022Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 2 | 40% |
| 2023 | 2 | 18% |
| 2022 | 4 | 16% |
| 2021 | 10 | 14% |
| 2020 | 10 | 16% |
| 2019 | 12 | 13% |
| 2018 | 20 | 21% |
| 2017 | 8 | 11% |
| 2016 | 24 | 22% |
| 2015 | 64 | 19% |
Other parts of the 2020 Acura TLX
19 complaintsFuel system
17 complaintsEngine cooling
8 complaintsTransmission and drivetrain
7 complaintsOther or unknown
6 complaintsForward collision avoidance
5 complaintsBrakes
4 complaintsAir bags
3 complaintsLane departure
3 complaintsSuspension
2 complaintsWheels
2 complaintsBack-over prevention (rear camera)
1 complaints
← All problems reported for the 2020 Acura TLX
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology