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Electrical systemPart report

2018 Acura TLX Electrical system Problems

Complaints
20about this part
Share
21%of 97 total for the year
Median mileage
21,860miles
Trend
RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.

NHTSA recorded 20 complaints about the electrical system of the 2018 Acura TLX, 21% of the 97 complaints for this model year. Where a mileage was given, the median is 21,860 miles.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“When returning from a 40 mile trip to naples florida, the vehicle stability system displayed failure warning lights. When I made it back to my condo in cape coral, there was s total system failure locking out the transmission, inability to put the car in neutral, antilock brakes, etc. This could have been a major safety issue had I been on the highway .”

NHTSA complaint #11310443, filed 2020-02, 12,640 miles

“For the past two days I see the check engine indicator pop up along with two errors. Electric parking brake problem and emissions system problem this happend after driving and parking the car. The next day I turned the car on and saw the errors. Not sure what cpuld be the cause of this. I recently purchased this unit. Had it since july 2017 with only 3228miles. Please advise. Thank you.”

NHTSA complaint #11043660, filed 2017-11, 3,150 miles

“I went to the grocery store and parked my car on the stores surface lot. When I returned to my car and turned my car on all error messages appeared - emission lights on and the car would not shift into drive.”

NHTSA complaint #11180273, filed 2019-02, 4,247 miles

“Odometer Fraud. The contact purchased a 2018 Acura TLX. The contact stated that it was discovered that there was a mileage discrepancy. The vehicle was purchased on September 10th, 2025, as a dealer sale. At the time of purchase, the vehicle mileage was 76,410. At the time of registration, when the title was received, it was discovered that the mileage was 176,410. The title read, Not Actual Mileage, Mileage Tampering, which indicated odometer fraud had been detected. After ordering the Carfax Report, the report indicated that the mileage 176,000 miles at the time of purchase. …”

NHTSA complaint #11695401, filed 2025-10, 176,410 miles

“When I press the start button with my key fob in range and with a new battery, the car won't start, but makes a rapid ticking noise while all of the dashboard lights flicker and other interior and exterior lights turn on. Despite repeated attempts over several hours, the car will not start.”

NHTSA complaint #11426649, filed 2021-07

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2024240%
2023218%
2022416%
20211014%
20201016%
20191213%
20182021%
2017811%
20162422%
20156419%

Other parts of the 2018 Acura TLX

Engine
31 complaintsFuel system
15 complaintsOther or unknown
14 complaintsEngine cooling
13 complaintsTransmission and drivetrain
11 complaintsForward collision avoidance
8 complaintsBrakes
7 complaintsLane departure
7 complaintsSteering
6 complaintsVehicle speed control
4 complaintsSeat belts
2 complaintsBody and structure
2 complaints

← All problems reported for the 2018 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