Home › Guides › Kia › Service Brakes, Hydraulic
Kia brake recalls: engine fire risk and loss of braking power
⚠ 2 carry a park-outside (fire risk) advisory.
Two different problems run through Kia's hydraulic brake recalls. The larger one is electrical: the Hydraulic Electronic Control Unit can short-circuit and start an engine compartment fire. That hit 2018-2021 Stingers with the 3.3L T-GDI engine — first the 2019 model year, expanded in December 2020 — and 2017-2021 Sportage and 2018-2019 Cadenza models, all fixed with fuses rather than a new control unit. The other problem is plain loss of stopping power: 2020-2021 Rios whose brake master cylinder was manufactured with sharp edges that cut the inner oil seal, and 2023 Sportages whose brake booster diaphragm can slip out of place and leak vacuum, removing power brake assist. The Sportage appears in both groups.
Warning signs to watch for
- A brake pedal that feels soft or travels farther than usual on a 2020-2021 Rio
- Sudden loss of power brake assist or longer stopping distances on a 2023 Sportage
- Smoke, a burning smell or fire from the engine compartment while driving
- The two HECU fire recalls describe no warning sign before the short-circuit happens
Is it safe to keep driving?
None of these four recalls carries a stop-driving order. Both HECU fire recalls — 2018-2021 Stinger and 2017-2021 Sportage/2018-2019 Cadenza — do tell you to park outside and away from structures until the fuse work is done, since the fire can start while driving. The Rio master cylinder and 2023 Sportage booster recalls let you keep driving, but they affect braking directly: get them repaired right away, and if the pedal goes soft or travels farther than normal, stop driving the Rio.
What the free repair involves
All repairs are free. For the two fire recalls dealers work in the electrical junction box — a new fuse kit on the Stinger, replacement fuses on Sportage and Cadenza — rather than replacing the control unit. Rio owners get a new brake master cylinder. On the 2023 Sportage the dealer inspects the brake booster and replaces it if needed. No software or over-the-air fix applies.
Severity at a glance
| Severity | Recalls |
|---|---|
| critical | 2 |
| high | 2 |
Models affected most
Every recall in this group
| Date | Recall | Severity |
|---|---|---|
| 2023-06-07 | Kia Sportage may lose power brake assist while driving | high |
| 2021-12-01 | Kia Rio brake master cylinder can lose braking power | high |
| 2021-03-04 | Kia Sportage and Cadenza brake control unit fire risk · park outside | critical |
| 2020-08-27 | Kia Stinger brake control unit can cause engine fire · park outside | critical |
Common questions
Why does a brake part recall end with just a fuse?
The Hydraulic Electronic Control Unit's circuit can short and ignite a fire in the engine compartment. Kia's remedy adds or replaces fuses in the electrical junction box so the circuit cannot overheat; the notices do not describe replacing the control unit itself.
Should I park my Stinger in the garage?
No. Kia advises parking outside and away from structures until the fuse work is done, because an under-hood fire can break out while you are driving. That advice applies to 2017-2021 Sportage and 2018-2019 Cadenza owners too, not only Stingers.
My 2023 Sportage brakes feel fine — do I still need the recall?
Yes. The brake booster diaphragm can become misaligned and leak vacuum at any point, which suddenly lengthens stopping distances. The dealer inspects the booster first and replaces it only if it is affected, at no cost.
A recall applies only to specific vehicles. Check your 17-character VIN at nhtsa.gov/recalls.