2014–2015 Acura MDX, 2014–2015 Acura RLX, 2014 Acura RLX Hybrid Recall: In certain driving conditions, the Collision Mitigation Braking System…
NHTSA campaign 15V301000 · Forward Collision Avoidance · filed May 20, 2015 · verified Jul 30, 2026
The defect
Honda (American Honda Motor Co.) is recalling certain model year 2014-2015 Acura MDX 2WD and AWD, RLX and 2014 Acura RLX Hybrid vehicles. In certain driving conditions, the Collision Mitigation Braking System (CMBS) may incorrectly interpret certain roadside objects such as metal fences or metal guardrails as obstacles and unexpectedly apply the brakes.
The risk
If the CMBS unexpectedly applies emergency braking force while driving, there is an increased risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Honda will notify owners, and dealers will update the CMBS software, free of charge. The recall began on July 6, 2015. Owners may contact Acura customer service at 1-800-382-2238. Honda's numbers for this recall is JQ4, JQ5 and JQ6.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Affected vehicles
Related recalls
More Acura MDX recalls
- 2014–2020 Acura MDX and 3 other models — Rear subframe may corrode at the suspension mounting…
- 2017–2026 Acura MDX and 16 other models — Front passenger seat weight sensor may crack and short…
- 2023–2025 Acura MDX and 2 other models — Brake pedal pivot pin was not secured properly, which can…
- 2014–2020 Acura MDX — Moisture may enter the tailgate lid light assembly and…
- 2025 Acura MDX — Touchscreen in the center console may go blank, resulting…
Other campaigns involving Acura vehicles
Source: NHTSA recall database, campaign 15V301000 (manufacturer number JQ4, JQ5, JQ6). Data last verified Jul 30, 2026.