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.
full bulletin at NHTSA ↗2014 Acura RLX electrical problems
moderate Owners of the 2014 Acura RLX have filed 3 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
When does it fail?
Of the 3 electrical complaints filed for the 2014 Acura RLX, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
No new NHTSA electrical complaint has been filed on this vehicle in over 4 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
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 related DTC codes.
full bulletin at NHTSA ↗Service bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [Bank 2]). The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter.
full bulletin at NHTSA ↗Service bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [Bank 2]). The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter.
full bulletin at NHTSA ↗Service bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [Bank 2]). The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 2 most recent
The contact owns a 2014 Acura RLX. The contact stated that while driving approximately 60 MPH, the vehicle loss motive power. The contact stated the failure continued to occur periodically. The vehicle was able to restart. The lane control, forward control collision, slip differential and hill assist warning lights were illuminated. The local dealer was not contacted. The vehicle was not…
While driving south on u.s. 1, a six lane road, I placed a telephone call using the buttons on the steering wheel. Shortly after the call was connected, the car's warning alarm sounded and an "I" appeared in the information display. Frantically trying to determine the problem while driving in heavy traffic, I used the control on the steering wheel to scroll down the information list and found a…
Common questions
How serious is the electrical problem on the 2014 Acura RLX?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Based on the 3 complaints filed, electrical issues most often appear around 104,000 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.