Problems · by component

2006 Hyundai Sonata service brakes, hydraulic problems

33 owner complaints to NHTSA about the 2006 Hyundai Sonata cite service brakes, hydraulic, 3% of all 1,047 complaints for this model year. NHTSA also lists 1 recall on this component.

Complaints
33
3% of all complaints
Crashes
2
Reported by owners
Fires
0
Reported by owners
Injuries
1
Reported by owners
01 —Owner reports

What owners say about the service brakes, hydraulic

Verbatim from NHTSA complaints, newest first
“The contact owns a 2006 Hyundai Sonata. The contact stated that while his wife was driving at an undisclosed speed, the ABS warning light illuminated. The vehicle was taken to an independent mechanic where it was diagnosed that water had entered the ABS module and caused an electrical short. The contact was informed that the vehicle was included in NHTSA Campaign Number: 18V026000 (Service Brakes, Hydraulic). The vehicle was not repaired. An undisclosed dealer and the manufacturer were notified of the failure and confirmed that the VIN was not included in a recall. The failure mileage was approximately 70,000. The VIN was unavailable.”
Owner complaint to NHTSAFiled Oct 13, 2023Service brakes, hydraulicODI 11549752
“The contact owns a 2006 Hyundai Sonata. The contact stated that while driving into the driveway and depressing the brake pedal, the brake pedal went to the floorboard. The failure caused the vehicle to roll to a stop instead of stopping immediately. The brake failure warning light was illuminated. The contact, who is a certified mechanic, inspected the vehicle and found that the rear brake lines and the cross over line was completely rusted and there was a hole from the rust in the lines. The vehicle had not been repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 168,000.”
Owner complaint to NHTSAFiled Mar 8, 2023Service brakes, hydraulicODI 11510743
“The contact owns a 2006 Hyundai Sonata. The contact stated that the brake pedal would fail to respond intermittently, causing her to depress it excessively. The vehicle was taken to an independent mechanic who replaced the brakes; however, after the repair, the brake pedal failed to operate. The contact stated that the head lamps also had failed to operate as needed. The bulbs were replaced; however, the driver's side headlamp failure recurred. The bulb was replaced; however, the low-beam failed to illuminate and the high-beam was illuminating with inadequate lighting. Additionally, the contact stated that while at a complete stop after refueling the vehicle, the vehicle failed to start immediately. The contact was unable to restart the vehicle after several attempts. The vehicle was pushed back to the residence with assistance. The ABS, ECS, brakes, and check engine warning lights were illuminated. The dealer was not notified of the failure. The vehicle was not diagnosed or repaired. The contact associated the failures to NHTSA Campaign Numbers: 08E021000 (Exterior Lighting), 13V354000 (Suspension) and 18V026000 (Service Brakes, Hydraulic) however, the VIN was…”
Owner complaint to NHTSAFiled Mar 17, 2022Service brakes, hydraulicODI 11457115
“TL* THE CONTACT OWNS A 2006 HYUNDAI SONATA. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 45 MPH, THE BRAKES BECAME INOPERABLE AND THE ABS AND ESC WARNING INDICATORS ILLUMINATED CONTINUOUSLY. THE FAILURE RECURRED ON SEVERAL OCCASIONS. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN DIAGNOSED THAT THE BRAKE SWITCH NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE FAILURE MILEAGE WAS 130,000.”
Owner complaint to NHTSAFiled Dec 15, 2014Service brakes, hydraulicODI 10664247
“TL* THE CONTACT OWNS A 2006 HYUNDAI SONATA. THE CONTACT STATED THAT THE AIR BAG WARNING LAMP ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER WHO DIAGNOSED THAT THE PASSENGER SEAT AIR BAG SENSOR NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBER: 08V161000 (AIR BAGS) AND WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 68,000 AND THE CURRENT MILEAGE WAS 68,300. UPDATED 10/11/12*LJ UPDATED 10/16/2012 *JS *TR”
Owner complaint to NHTSAFiled Sep 4, 2012Suspension, Service brakes, hydraulic, Air bagsODI 10473822
“TL* THE CONTACT OWNS A 2006 HYUNDAI SONATA. THE CONTACT STATED THAT WHILE DRIVING, SHE COULD HEAR A LOUD SOUND COMING FROM UNDER THE FRONT PASSENGER SIDE WHEEL. THE VEHICLE WAS TAKEN TO THE DEALER WHO DIAGNOSED THAT THE ROTORS WERE DEFECTIVE AND NEEDED TO BE REPLACED. THE REMEDY FAILED TO REPAIR THE FAILURE. THE VEHICLE WAS TAKEN BACK TO A DEALER WHO DIAGNOSED THAT THE CONTROL ARM BUSHINGS WERE DEFECTIVE AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE OF THE FAILURE WHO DID NOT OFFER ANY ASSISTANCE SINCE THE VEHICLE WAS NOT INCLUDED IN ANY RECALLS. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 10,000 AND THE CURRENT MILEAGE WAS 129,000. UPDATED 06/07/12*LJ”
Owner complaint to NHTSAFiled Nov 28, 2011Suspension, Service brakes, hydraulicODI 10437597

Showing 6 of 33 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 9, 2026NHTSA vehicle page
02 —Related recalls

1 recall on this component

Service brakes

Free remedy

Hyundai Motor America (Hyundai) is recalling certain 2006-2011 Hyundai Azera and 2006 Hyundai Sonata vehicles. Water may enter the Anti-lock Brake (ABS) Module and result in an electrical short .

Service brakes, hydraulicReported Jan 9, 2018NHTSA 18V026000
Data from NHTSA Recalls API · synced Nov 9, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.