Audi · United States · High
Audi Q5, SQ5: Service brakes — master cylinder
Affects Audi Q5, SQ5 · 2018–2019 — about 13K vehicles.
The hazard
A short casting can cause a sudden loss of brakes, increasing the risk of crash. The electronic parking brake and its emergency brake function are not affected and will still function.
What to do
Audi has notified owners, and dealers will inspect the brake master cylinder, replacing it as necessary, free of charge. The recall began May 3, 2019. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 47O9.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational