TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: HECU INSPECTION /REPLACEMENT (SC252A/B/C) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information to inspect and, if necessary, replace the Hydraulic Electronic Control Unit (HECU) on certain K5 (DL3a) and Telluride (ON) and Sorento (MQ4a) vehicles produced on the dates shown in Table below. The HECU in the subject vehicles may have been produced with a condition that can result in an internal brake fluid leak. If an internal brake fluid leak occurs, the Electronic Parking Brake (EPB) light, Anti-Lock Bra
full bulletin at NHTSA ↗2022 Kia K5 brakes problems
moderate Owners of the 2022 Kia K5 have filed 4 NHTSA complaints about the brakes at roughly $450 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See brakes across all vehicles →
| Model year | brakes complaints |
|---|---|
| 2021 K5 | 5 |
| 2022 K5 (this page) | 4 |
| 2023 K5 | 4 |
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering brakes on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: HECU INSPECTION /REPLACEMENT (SC252A/B/C) - This bulletin provides information to inspect and, if necessary, replace the Hydraulic Electronic Control Unit (HECU) on certain K5 (DL3a) and Telluride (ON) and Sorento (MQ4a) vehicles produced on the dates shown in Table below. The HECU in the subject vehicles may have been produced with a condition that can result in an internal brake fluid leak. If an internal brake fluid leak occurs, the Electronic Parking Brake (EPB) light, Anti-Lock Brake System (ABS) light, Electronic Stability Control (ESC) light, Auto-Hold light and/or Forward Collision-Avoidance Assist (FCA) light may illuminate, or
full bulletin at NHTSA ↗VOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION - This document is the owner notification advising that Kia America, Inc. is conducting a Voluntary Service Campaign to inspect and, if necessary, replace the Hydraulic Electronic Control Unit ("HECU") in certain 2022-2023 MY K5 vehicles.
full bulletin at NHTSA ↗VOLUNTARY SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals that Kia America, Inc. is conducting a Voluntary Service Campaign on the following vehicles: Certain 2022 MY Sorento vehicles manufactured from December 8, 2021 through May 23, 2022. Certain 2022 MY Telluride vehicles manufactured from November 29, 2021 through September 1, 2022. Certain 2022-2023 MY K5 vehicles manufactured from December 7, 2021 through September 12, 2022. The Hydraulic Electronic Control Unit (HECU) controls the vehicle's Electronic Parking Brake (EPB), Electronic Stability Control System (ESC), and Auto-Hold features, among other related functions. The HECU in th
full bulletin at NHTSA ↗VOLUNTARY SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO - This document is the announcement to the dealer Parts and Service Managers that Kia America, Inc. is conducting a Voluntary Service Campaign on the following vehicles: Certain 2022 MY Sorento vehicles manufactured from December 8, 2021 through May 23, 2022. Certain 2022 MY Telluride vehicles manufactured from November 29, 2021 through September 1, 2022. Certain 2022-2023 MY K5 vehicles manufactured from December 7, 2021 through September 12, 2022. The Hydraulic Electronic Control Unit (HECU) controls the vehicle's Electronic Parking Brake (EPB), Electronic Stability Control System (ESC), and Auto-Hold features, among other r
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
2022 car with 80000 miles on it has a break booster vaccum pump failure
Common questions
How serious is the brakes problem on the 2022 Kia K5?
It's a documented issue but not catastrophic. 4 complaints have been filed. Repairs average $450 and most owners catch it before it causes a breakdown.
At what mileage does the brakes typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $450 for brakes repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to brakes?
No active recalls currently cover brakes issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.