2018 Audi Q5 Service Brakes Problems

NHTSA component category: SERVICE BRAKES · data through 07/12/2026

20Service Brakes complaints

10.3%Of all 195 complaints

#5Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How service brakes ranks on this vehicle

ELECTRICAL SYSTEM66 · 33.8%

Unspecified / other43 · 22.1%

ENGINE29 · 14.9%

SUSPENSION24 · 12.3%

SERVICE BRAKES20 · 10.3%

Share of the 195 complaints citing each category; one complaint can cite several. Full breakdown on the 2018 Audi Q5 overview page.

What owners report

“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

“recently on a number of occassions the car stopped because the pre-sense sensor went off prematurely. There were no cars within 500 feet of my…”NHTSA complaint 11534219 — filed 07/24/2023

“The sunroof draining is designed in such a way that if the holes get clogged, the water can back up and flood the comfort control…”NHTSA complaint 11533619 — filed 07/21/2023

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

Service Brakes complaints by year filed

Frequently asked questions

Does the 2018 Audi Q5 have service brakes problems?

Service Brakes is the #5 most-reported problem area on the 2018 Audi Q5: 20 of 195 complaints on file (10.3%). Complaints are unverified owner reports, not confirmed defects.

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

195 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 9 involved a crash, 0 involved a fire, 5 reported injuries, and none reported deaths.

What does NHTSA's service brakes category include?

NHTSA assigns each complaint to standard component categories; this page reports the SERVICE BRAKES 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 07/12/2026.