2018 Acura MDX Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How electrical system ranks on this vehicle
Share of the 159 complaints citing each category; one complaint can cite several. Full breakdown on the 2018 Acura MDX overview page.
What owners report
“We experienced multiple/many warning lights all at the same time. Systems not working. Repeated every time. The Acura dealer diagnosed the problem to the DTC…”NHTSA complaint 11619471 — filed 10/12/2024
“1.) I have had repeated, on-going issues with the fuel propulsion system since the day I bought the car. When I step on the accelerator…”NHTSA complaint 11612317 — filed 09/03/2024
“First it was start knocking under the hood and the car suddenly stop on the freeway at 80 miles an hour. The car lost all…”NHTSA complaint 11564390 — filed 01/09/2024
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2018 Acura MDX have electrical system problems?
Electrical System is the #3 most-reported problem area on the 2018 Acura MDX: 26 of 159 complaints on file (16.4%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2018 Acura MDX have in total?
159 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 3 involved a crash, 4 involved a fire, 3 reported injuries, and none reported deaths.
What does NHTSA's electrical system category include?
NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM category exactly as NHTSA defines and records it.