2018 Acura Rlx problems, complaints & recalls
Most-reported problem areas: Engine (2) · Fuel System, Gasoline (1) · Engine And Engine Cooling:engine:crank/Camshaft Position Sensor (1)
🧭 Reliability snapshot
Compared against other Acura Rlx model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (1)
Fuel System, Gasoline:delivery:fuel Pump 2023-12-18 · campaign 23V858000 · 2,490,460 vehicles
Defect: Honda (American Honda Motor Co.) is recalling certain 2013-2023 Honda Accord, Civic Coupe, Civic Sedan, Civic Hatchback, Civic Type R, CR-V, HR-V, Ridgeline, Odyssey, Acura ILX, MDX, MDX Hybrid, RDX, RLX, TLX, 2019-2022 Honda Insight, Passport, 2020 Honda CR-V Hybrid, 2018-2019 Honda Clarity PHEV, Fit, and 2015-2020 Honda Accord Hybrid, Pilot, Acura NSX vehicles. The fuel pump inside the fuel tank may fail.
Risk: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Fix: Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2024. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are KGC and KGD. This recall is an expansion of NHTSA recall numbers 21V-215 and 20V-314.
Service bulletins (21)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Steering 2023-08-21 · ONL6R508212023 · Service Bulletin/Repair Instructions
warranty extension - under certain circumstances, abnormal noise may be heard from the rear when driving straight or making small side-to-side turning movements with the steering wheel. the p-aws indicator or warning light may also illuminate with certain diagnostic trouble codes.
Structure 2023-07-14 · ONL6R507142023 · Service Bulletin/Repair Instructions
owner notification letter - under certain circumstances, abnormal noise may be heard from the rear when driving straight or making small side-to-side turning movements with the steering wheel. the mil may also illuminate with certain dtc codes.
Steering 2023-06-09 · B23-022 · Service Bulletin/Repair Instructions
service bulletin - due to manufacturing errors, abnormal noise may be heard from the rear when driving straight or making small side-to side turning movements with the steering wheel. the mil may also illuminate with dtc c1600-94 (paws unexpected behavior) and/or c1611-13/c1621-13 (paws actuator dis
Steering 2023-06-09 · BBOM06092023901 · Service Bulletin/Repair Instructions
dealer message - due to manufacturing errors, abnormal noise may be heard from the rear when driving straight or making small side-to-side turning movements with the steering wheel. the mil may also illuminate with dtc c1600-94 (paws unexpected behavior) and/or c1611-13/c1621-13 (paws actuator disco
Fuel System, Gasoline 2022-05-10 · BTI&05102022901 · Service Bulletin/Repair Instructions
american honda motor co., inc. (ahm) is searching for certain 2016-2020 mdxs, rlxs & tlxs with a client complaint of the malfunction indicator light (mil) on with the dtc p030x (cylinder misfire detected), p0171 & p0174 (rear/front bank fuel system too lean), or p219a&b (air-fuel ratio variation of
Engine And Engine Cooling:engine:gasoline:belts And Associated Pulleys 2020-09-18 · B14-025 · Service Bulletin/Repair Instructions
service bulletin - the timing belt area chirps after the engine warms up.
Showing the 6 most recent of 21 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-06-02 · Engine“the first time i heard the engine noise was on [xxx]. i brought the vehicle to the schaumburg muller acura dealership and dropped it off on may 20. on may 21, the dealership performed an initial inspection and informed me that they needed authorization to further disassemble the engine in order to determine the cause of the problem. i provided that…”
2026-05-18 · Engine And Engine Cooling:engine:crank/Camshaft Position Sensor · 51,000 mi“the contact owns a 2018 acura rlx. the contact stated while driving her vehicle at an undisclosed speed, stated that the vehicle would not start up, and noticed every single waring light illuminated up on her dash. the vehicle was taken to a dealer twice, first time it was diagnosed to have a crank sensor failure, it was replaced. two days after, …”
2026-03-06 · Electrical System · 110,785 mi“the contact owns a 2018 acura rlx. the contact stated that while attempting to start the vehicle, the headlight failure message was displayed. a dealer was contacted. the vehicle was taken to the dealer, where it was diagnosed that the a/c compressor needed to be replaced. the vehicle was not repaired. the contact stated that the failure started oc…”
2025-02-12 · Engine And Engine Cooling · 92,000 mi“the contact owns a 2018 acura rlx. the contact stated while driving 30 mph, the oil change and tire rotation messages were displayed. the contact stated that a dealer was contacted. the contact stated that an oil change and tire rotation were performed, and the contact was informed that the engine was knocking. the contact received a call notificat…”
2024-12-03 · Fuel System, Gasoline“the contact owns a 2018 acura rlx. the contact received notification of nhtsa campaign number: 23v858000 (fuel system, gasoline); however, the part to do the recall repair was unavailable. the contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. the manufacturer was made aware of the issue. the contac…”
2024-11-12 · Engine“my vehicle has the same 3.5 liter naturally aspirated v6 that comes in the acrua mdx which is currently on recall for connecting rod bearings on vehicles with 3.5-liter v6 engines can fail, leading to complete engine failure. my car has the excact same engin with the exact same problem. i have the full diagnosis and estimate from acura engine repla…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.