TSB CHA126V — Kia Service bulletin
CHA126V is a service bulletin on file with NHTSA for 2 Kia models, 2021–2024 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. TECHNICAL SERVICE BULLETIN: FRONT BRAKE DISC JUDDER INSPECTION AND REPLACEMENT - This bulletin provides information to address vehicles that may be exhibiting front brake judder sensation while braking on certain 2021-2024MY Sorento (MQ4a) vehicles produced from July 26, 2021…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years CHA126V names
| Vehicle | Model years |
|---|---|
| Kia Sorento | 2021, 2022, 2023, 2024 |
| Kia Sportage | 2023, 2024 |
Every document filed under CHA126V
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| TSB_CHA126V_R1 | June 3, 2025 | Service bulletin |
| TSB_CHA126V | October 24, 2024 | Service bulletin |
What CHA126V covers
Brakes & stability — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB CHA126V?
CHA126V is a service bulletin filed with NHTSA by Kia, covering 2 Kia models across the 2021–2024 model years. NHTSA's summary reads: TECHNICAL SERVICE BULLETIN: FRONT BRAKE DISC JUDDER INSPECTION AND REPLACEMENT - This bulletin provides information to address vehicles that may be exhibiting front brake judder sensation while braking on certain 2021-2024MY Sorento (MQ4a) vehicles produced from July 26, 2021…
Which vehicles does CHA126V cover?
NHTSA's file names Kia Sorento (2021–2024); Kia Sportage (2023–2024). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB CHA126V a recall, and is the repair free?
No. CHA126V is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of CHA126V?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under CHA126V, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under CHA126V. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.