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What would cause both heated seats to stop working?

If both of your vehicle's heated seats have stopped working, there could be a few potential causes. The most common reasons include a blown fuse, a faulty seat heater switch, or a problem with the wiring or control module. Let's explore these issues in more detail.


Blown Fuse


One of the most common reasons for both heated seats to stop working is a blown fuse. The heated seat circuit is typically protected by a fuse, and if that fuse has blown, it will cut power to both heated seat elements. Checking and replacing the fuse is a simple first step to troubleshoot the issue. The fuse location and amperage rating can be found in your vehicle's owner's manual.


Faulty Seat Heater Switch


Another potential cause is a problem with the seat heater switch. This is the control that allows you to turn the heated seats on and adjust the temperature. If the switch is malfunctioning, it may not be sending the proper signal to the heated seat elements, causing them to stop working. Inspecting the switch for any signs of damage or testing it with a multimeter can help determine if it needs to be replaced.


Wiring or Control Module Issues


In some cases, the issue may be related to the wiring harness or the control module that manages the heated seat function. A break in the wiring, a loose connection, or a problem with the control module can prevent power from reaching the seat heater elements. Checking the wiring for any visible damage and testing the control module with a diagnostic tool may be necessary to identify and resolve the problem.


If you've checked the fuse, switch, and wiring, and the issue persists, it's likely that the problem is more complex and may require the expertise of a professional automotive technician to diagnose and repair.

How do you reset the module on a heated seat?


Sometimes a reset can resolve issues. Disconnect the seat's electrical connector for about 5 minutes to reset the module.



What controls heated seats?


As with the lights in your car, the heated seats are controlled by a type of switch called a relay. A relay allows a small electric current to control a much larger one. When you flip the switch to turn on the seat heater, a small current flows through a coil in the relay. Near this coil is an open switch.



Is it expensive to fix heated seats?


The average cost for a Seat Heater Replacement is between $678 and $713. Labor costs are estimated between $134 and $169 while parts are typically priced around $544. This range does not include taxes and fees, and does not factor in your unique location.



How much does it cost to fix heated seats?


There are a number of reasons why the heated seats could stop working, but in most cases, there's probably an electrical fault somewhere. A seat heater replacement costs between $660 and $695, including labor fees, which can range anywhere between $130 and $170. Parts are typically priced around $520.



What causes my heated seats to stop working?


heating elements could be burned out, loose connection under the seat or the switch is not working. Have a look under the seat for loose connections first. The heating elements burning out are a common issue, do you have cloth or leather seats?



What are the problems with heated car seats?


Heated Car Seats Could Pose Burn Danger Burn specialists, a safety group and NHTSA are investigating this issue. Some problems stem from heated seats used by people who lack feeling in their lower extremities.



Can you replace heated seats?


Yes no problem, they are completely independent so you can install just a driver-heated seat, just a passenger-heated seat, or both.



What powers heated car seats?


Heated seats have a heating coil under the seat cover. When you turn on the heated seat, electricity from the battery flows to the heating coil in the seat cushion to warm it up. Heated seats in some vehicles have thermostats built into them to prevent overheating. The thermostat works just like the one in your home.



How do you fix heated seats?


Disassemble the seat, separating the back and base, and removing the cushion and leather from the base. Replace all heated seat parts, including the heating element and the wiring. Put the seat together again. Reconnect the wiring.



Can heated seats wear out?


Damage to upholstery: Over time, the heat can cause leather upholstery to crack and fabric seat covers to rip, which may require upholstery repair. Impacts gas mileage: Heated seats also use additional engine power, which lowers fuel economy.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.