Why are my heated seats not working on my Chevy Silverado?

The heated seat is controlled by the memory seat module on this truck, and the drivers door module. The most common failure is either the seat cushion heater element or seat back heating element has an open circuit. Basically a spot on the element burns open. If either one has done that, neither on that seat will function.

Why does my seat back heater not work?

The most common failure is either the seat cushion heater element or seat back heating element has an open circuit. Basically a spot on the element burns open. If either one has done that, neither on that seat will function. An OHM meter and some testing would need to be done to figure that out. There is another possibility that is not very common.

Is the heated seat on my GMC Sierra Denali working?

The driver side heated seat is not working, everything els is working fine and the passenger seat is working fine. If it is a fuse, I cant see of any in the owners manual. Can you help me figure out how to fix th is heated seat. 2004 GMC Sierra Denali Truck. There is no fuse for just the heated seat.

Is there a fuse for the heated seat?

There is no fuse for just the heated seat. The heated seat is controlled by the memory seat module on this truck, and the drivers door module. The most common failure is either the seat cushion heater element or seat back heating element has an open circuit. Basically a spot on the element burns open.

What are the heated seats on a 2005 Chevy Silverado?

Heated seat problem on my 2005 Chevrolet Silverado. Driver seat module, driver door module, driver heat switch, driver whole seat swapped with a known good seat, body harness that goes to both driver and passenger seat, passenger bottom cushion and back heater element

How long do heated seats stay on in a car?

Driver and passenger heated seats inoperative or shut off in 30 seconds. There will be DTCs B2435, B2440, B3606 and/or B1825 set in the Drivers Seat Module. The adjustable pedal position sensor, seat recliner position sensor and both heat seat thermistors share the same 5 volt reference internal to the Drivers Seat Module.

How does the seat heater on a GM SUV work?

Power is supplied to the seat heater elements by the door modules. Ground for the heater elements is pulse width modulated so the module can vary the on/off time of the circuit and thereby adjust the heat.

Why does my GMC Sierra heated seat go off?

A bad heated seat switch, faulty, drivers seat module, a shorted wire under the seat, etc. You would need to use a scanner to view input data from the seat switch to the module,and schematic to trace down the cause. Hi, I have an 03 GMC Sierra with the 5.3.

What to do if your heated seat gets burnt out?

You then should cut the wires that run down the side of the element but leave yourself enough wire to connect to the new element when you get it. As you can see the element is burnt out and as it connects to the passenger seat when it shorts out it knocks off the passenger side.

What is the problem with intermittent heated seats?

So the problem is intermittent heated seats that may include trouble code B3941. The B3941 front seat heaters circuit trouble code sets with the driver’s door module (DDM) or passenger door module (PDM) detects that the voltage to the seat heater element is shorted to ground.

When did Chevy Silverado go into heater mode?

Models: 1999-2002 Chevrolet and GMC C/K Pickup Models (Silverado and Sierra) 1999-2002 Chevrolet and GMC C/K Utility Models (Avalanche, Surburban, Tahoe, Yukon, Yukon XL, Denali)

Why does my Chevy Silverado blow cold air?

When you drive down the road the AC on the drivers side starts blowing out hot air. You have to stop and restart the truck for it to blow cold air again. The passenger side continues to blow cold air and is not affected. It started doing in one time a day but is now doing it four or five times a day. It is currently in the shop.

Why does my Chevy Silverado have no heat?

One mid vent also produces no air. One heater line to the firewall from the engine is hot while the other is cold. a/c and heat all comes out of defrost vent and cannot switch from hot to cold without shouting off engine for a little bit. ac and heat doesnt work,fan worksin three of four speeds. Ditto.

Is there a heated seat switch on a Chevy Silverado?

2005 Chevrolet Silverado. Replaced actual heated seat switch. my truck came with heated seats and the driver seat turns on by itself u turn it off and then it comes right back on and it will turn itself off as well it just keeps cycling on and off but the back portion only. This could any number of things.

Models: 1999-2002 Chevrolet and GMC C/K Pickup Models (Silverado and Sierra) 1999-2002 Chevrolet and GMC C/K Utility Models (Avalanche, Surburban, Tahoe, Yukon, Yukon XL, Denali)

What kind of car has no heated seats?

This article applies to the Chevrolet Silverado GMT800, GMT900, and K2XX (1999-Present). It’s frustrating to find that your heated seats aren’t working properly, especially if it’s cold outside.

Why does my Chevy Silverado seat not turn on?

The problem can be anything from a blown fuse to a short in a wire, or faulty relay. In some cases, the entire heating element is burned out and needs to be replaced, which is a potentially costly repair. If the seat turns on by itself, the problem may be a short in the heating element within the seat.

Why do my heated seats turn on randomly?

Test out top and bottom heating elements. A faulty relay can show up in the form of a hot seat, or a heated seat that seems to turn on randomly and cycle its way through the various heat settings. You will want to check the heated seat switch before looking at the relay. You may need to replace the relay if the existing one is faulty. Figure 2.

Are there heated seats on a 2004 GMC?

2004 GMC: heated seats The driver’s side heat keeps shutting off Hello and welcome to Just answer.com, Super mechanic here. About your vehicle. There has been a service bulletin for that type of concern. It involves a reprogramming of the driver seat module. The dealership (stealership) would have to do that, I hate to say.

When to reprogram driver’s side heat in GMC?

This occurs only with the first activation for the day and works correctly with subsequent activations immediately after the event. These conditions are intermiffent and DTC B3941 may be set. Technicians are to reprogram the driver seat module with an updated software calibration.

What to do if your heated seats malfunction?

You will want to check the heated seat switch before looking at the relay. You may need to replace the relay if the existing one is faulty. Figure 2. Heated seat connector and relay. You might need to remove the switch and connectors for the heated seats to try cleaning them.

Why does my GMC heated seat keep shutting off?

2004 GMC: heated seats The driver’s side heat keeps shutting off 2004 GMC: heated seats The driver’s side heat keeps shutting off Hello and welcome to Just answer.com, Super mechanic here. About your vehicle. There has been a service bulletin for that type of concern. It involves a reprogramming of the driver seat module.

Why is the heated seat not working on my Silverado?

I can’t move the seat as well as the heated seat is not working either. All of these features are working on the passenger side. I checked all of the connections on the bottom of the seat and nothing seems loose. I also looked in the manual to see which fuses may be the problem.

Is the driver’s seat on my Silverado dead?

I have a 2006 silverado 1500HD LT. As of last night, my driver seat is dead. None of the power seat buttons works. I can’t move the seat as well as the heated seat is not working either. All of these features are working on the passenger side. I checked all of the connections on the bottom of the seat and nothing seems loose.

Why is the seat heater in a Silverado 30A?

*the breaker you pulled: it supplies all of the power to the seat motors and seat heaters, that’s why it’s 30a. ALSO, an automotive circuit breaker is designed to “trip” and stay in that state until power is removed, then it will reset itself and continue to function as long as power isn’t overdrawn.

Why are my heated seats not working on my Chevy Silverado?