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2018 Audi Q5 Electrical System Problems

NHTSA component category: ELECTRICAL SYSTEM · data through 11/01/2026

74Electrical System complaints
35.4%Of all 209 complaints
#1Most-reported category

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

ELECTRICAL SYSTEM74 · 35.4%
Unspecified / other45 · 21.5%
ENGINE31 · 14.8%
SUSPENSION25 · 12%
SERVICE BRAKES22 · 10.5%

Share of the 209 complaints citing each category; one complaint can cite several. Full breakdown on the 2018 Audi Q5 overview page.

What owners report

“Suddenly car entry stopped working. Warning messages on display about start/stop, engine starting malfunction, every single light. I found the driver rear side full of…”NHTSA complaint 11552232 — filed 10/27/2023
“Comfort Control Module (J393) is malfunctioning due to water getting into the wiring components and surrounding areas. The rear lighting stops working all together; No…”NHTSA complaint 11546356 — filed 09/25/2023
“Start/ Stop system malfunction shown on dash board. Took vehicle to Lynbrook Audi New York on 9/20/23. Water penetration causing multiple damage to electrical systems…”NHTSA complaint 11546309 — filed 09/25/2023

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Electrical System complaints by year filed

3201832019420204202122022212023152024112025112026

Frequently asked questions

Does the 2018 Audi Q5 have electrical system problems?

Electrical System is the most-reported problem area on the 2018 Audi Q5: 74 of 209 complaints on file (35.4%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2018 Audi Q5 have in total?

209 complaints were on file with NHTSA as of 11/01/2026. Across all categories, 10 involved a crash, 0 involved a fire, 5 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.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 11/01/2026.