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Engine coolingPart report

2018 Acura TLX Engine cooling Problems

Complaints
12about this part
Share
13%of 96 total for the year
Median mileage
84,832miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 12 complaints about the engine cooling of the 2018 Acura TLX, 13% of the 96 complaints for this model year. Where a mileage was given, the median is 84,832 miles. 1 recall campaign on record is filed under a similar system.

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 contact owns a 2018 Acura TLX. The contact stated that while starting the vehicle, the engine started knocking. The contact associated the failure with NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling). The contact stated that the closest dealer was a two-hour drive from the residence. The manufacturer was contacted by phone and was made aware of the failure. The failure mileage was approximately 89,000.”

NHTSA complaint #11769702, filed 2026-10, 89,000 miles

“The contact owns a 2018 Acura TLX. The contact received notification of NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling). The contact stated that when the vehicle was started, the vehicle was idling roughly. Additionally, the accelerator pedal was depressed and there was an abnormal knocking sound coming from the engine. The contact stated that the knocking became faster and louder while depressing the accelerator pedal. …”

NHTSA complaint #11561050, filed 2023-12, 40,000 miles

“The contact owns a 2018 Acura TLX. The contact stated the vehicle was included in NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling), for a possible failure with the connecting rod, and the vehicle was repaired. Approximately 2-3 years after the recall repair, while driving 65 MPH, the vehicle started losing motive power while accelerating. The contact coasted to the side of the road and became aware of oil leaking from the vehicle. There were several unknown warning lights illuminated. …”

NHTSA complaint #11676705, filed 2025-07, 110,000 miles

“The contact owns a 2018 Acura TLX. The contact received notification of NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling). The contact stated while driving approximately 10 MPH, several unknown warning lights illuminated, and the vehicle stalled. The contact stated that the steering wheel seized, and the vehicle stalled. The vehicle was not able to be restarted and was towed to the dealer but was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 107,000.”

NHTSA complaint #11581346, filed 2024-04, 107,000 miles

“The contact owns a 2018 Acura TLX. The contact received notification of NHTSA Campaign Numbers: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling) however, the parts to do the recalls repairs were not yet available. The contact stated that while driving at an undisclosed speed and depressing the accelerator pedal, the vehicle only responded as needed when the accelerator pedal was depressed with excessive force. There was no warning light illuminated. The local dealer was contacted. The vehicle was not diagnosed or repaired. …”

NHTSA complaint #11571872, filed 2024-02, 50,000 miles

Related recalls

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
2020813%
20191314%
20181213%
20171014%
20161413%
2015144%

Other parts of the 2018 Acura TLX

Engine
31 complaintsElectrical system
20 complaintsFuel system
15 complaintsOther or unknown
14 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 27, 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