Fire risk from the ABS control unit in the Kia Sorento
Faults in the ABS module and the fire risk in the Kia Sorento deserve attention. Moisture or brake fluid in the control unit can cause a short circuit. This can cause warning lights to come on and safety systems to fail. In serious cases, a fire can break out. Even a parked car may be at risk. Checking the recall status and responding quickly to symptoms help prevent further damage. Read which signs call for action.
Is there a fire risk from the ABS module?
On various model years of the Kia Sorento, the ABS module can leak moisture or brake fluid internally. This module is also called the HECU. That is short for the hydraulic and electronic control unit of the braking system. Fluid in the electrical part can cause short circuits and overheating.
In serious cases, this can cause a fire in the engine bay. The risk also exists when the car is stationary. Under certain conditions, the control unit can remain live when the engine is switched off. A fault can therefore also cause damage while parked. That is why, in some recalls, owners were advised to park a suspect Sorento outside until it had been checked.
Not every Sorento is affected by this defect. The risk depends, among other things, on the model year, trim level and the relevant recall campaign. Which campaign applies varies from one car to another. The vehicle identification number, usually referred to as the VIN, therefore provides more certainty than the year of manufacture alone.
Which Kia Sorento model years stand out?
The ABS module problems have recurred across several generations. So this was not just one limited series. The cause and technical remedy could differ from one campaign to another. Moisture or leaking brake fluid around the ABS unit consistently played an important role.
The following model years require extra attention:
- The Sorento from 2007 to 2009 due to a recall concerning moisture in the ABS module.
- The Sorento from 2011 to 2014 due to problems with the ABS or HECU and possible fire risk.
- The Sorento from 2014 and 2015 due to possible internal leaking of brake fluid in the ABS module.
Model years and build years are not always the same. A model year may start earlier or later than the calendar year in which the car was built. Campaigns can also differ by country or market. So have your car checked against the VIN to see whether it is included in a recall. Also check whether the associated work has already been carried out.
Recognising the symptoms of a faulty ABS module
A leaking or electrically faulty ABS module can go a long time with few symptoms. The signs sometimes only become clear later. Sometimes only a light appears on the dashboard. That may be the first warning. In other cars, an electrical fault develops. The battery may also go flat for no obvious reason. Act immediately if you notice such signs.
Watch especially for the following symptoms:
- The ABS warning light stays on after starting.
- The brake system warning light comes on.
- Several fault messages appear at once.
- The battery drains without any explainable cause.
- There is a smell of burning around the engine bay.
- There are traces of brake fluid near the ABS unit.
- The ABS or a linked stability system is not working.
A lit ABS warning light usually means the system is unavailable. This anti-lock braking system prevents the wheels from locking under heavy braking. The normal brakes may still work. However, the wheels may lock sooner in an emergency stop. This can also affect other systems. Systems that use information from the ABS sensors may be limited. So have the car read out and technically checked.
A smell of burning and smoke call for immediate action
A smell of burning, smoke or visible heat build-up under the bonnet calls for immediate action. A warning light alone calls for a different approach. Stop the car in a safe place. Switch off the engine. Keep your distance. Do not open the bonnet if flames are visible. Extra oxygen can intensify the fire.
Do not continue driving if you notice smoke or a sharp electrical smell. The same applies if you suspect melting wiring around the ABS unit. Have the Sorento transported safely and checked. In the meantime, park the suspect car outside. Keep it away from buildings and other vehicles.
ABS recall for the Kia Sorento: what should you do?
A recall relates to a known safety issue. The affected vehicles must be checked or repaired. A general notice about a particular model year does not yet provide complete certainty. Not every Sorento from that year will necessarily be part of the campaign. The check therefore always starts with the VIN.
The steps to take are:
- Note the car’s VIN. This number can be found on the registration document and in the car.
- Ask a Kia dealer or the official importer about outstanding recalls.
- Check whether previous campaigns were actually carried out.
- If there is an open campaign, make a workshop appointment as soon as possible.
- After the repair, ask for documentation for the service history.
Discuss with the dealer which parts are covered by the campaign. Also ask what work will be carried out. Depending on the recall, an inspection may be needed. In other cases, a modification follows. Sometimes a part has to be replaced. Also ask what parking and usage advice applies. Follow this advice until the Sorento has been checked.
‘ An ABS module can seem to work normally for a long time before a fault becomes visible. ’
Checking a used Sorento before buying
For a used Sorento, proof of a completed recall is important. A statement that there have never been any complaints offers less certainty. An ABS module can seem to work normally for a long time before a fault becomes visible. A smooth test drive therefore does not rule out an internal leak.
Check the service history before buying. Ask specifically about work on the braking system. Invoices or dealer records can show which parts were dealt with previously. Think of the ABS module, the HECU, the wiring and the fuse. If in doubt, have a pre-purchase inspection carried out. During this inspection, have the fault codes read out as well.
Also check the brake fluid level. Look for leaks in the engine bay too. A falling level can have several causes. It does not directly prove that the ABS module is faulty. Even so, it remains a reason for further investigation, especially if a warning light is also on.
How to reduce the risk of further damage
It is not wise to tinker with the ABS unit yourself. You need the right knowledge and measuring equipment for this. The module contains electronics and components through which brake fluid flows. These components regulate the braking pressure together. After work, the system may need bleeding. A diagnosis may also be needed. In some cases, the system must be calibrated. These tasks help the system keep working properly.
So take warning lights seriously. Investigate the cause before clearing fault codes. Regularly check whether the brake fluid level changes. Have unknown electrical problems assessed. Give a dealer inspection priority if there is an outstanding recall. Then schedule routine maintenance afterwards.
On the Carnews website you will find more information about problems with the Kia Sorento. You can also read about recalls and maintenance there. In addition, you will find points to consider when buying a used car. Explore related topics and prepare better for maintenance or a purchase with the practical information on Carnews.
Frequently asked questions
Affected are the Kia Sorento models from the model years **2007–2009, 2011–2014 and 2014–2015**. In these vehicles, moisture or brake fluid in the ABS/HECU module could cause short circuits, overheating and possibly a fire in the engine bay, sometimes even when the car was parked.
The short circuit occurs because moisture or brake fluid enters the ABS/HECU module and affects the internal electrical components. This can cause overheating and, in serious cases, a fire in the engine bay.
Owners should not ignore a lit ABS warning light and should have the car checked by a dealer as soon as possible. If possible, park the car outside until the inspection has been carried out. Also check whether all recalls for the ABS/HECU module have been completed.
Kia handles this through recall campaigns in which an authorised dealer checks the ABS/HECU module and, if necessary, preventsively replaces or adjusts parts. Owners can check with the dealer whether their car is covered by a campaign and whether the repair has already been carried out. Until the inspection, if this problem is suspected, it is advised to park the car outside and not to ignore ABS or brake warnings.