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

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

For example, if the driver and passenger both attempt to turn on their heated seats, one of the seats may fail to work. In this case, the culprit may very well be the heating element.

How can I tell if my front seat heater is improper?

If an improperly operating front heated seat condition exists, refer to the Diagnostic Information and Procedures in the Seats sub-section of the applicable Service Manual in order to diagnose the system accurately. When measuring the resistance of the seat heater elements, ensure the values are within the updated range of 1.5-5.5 ohms.

What to do if heated seats don’t work?

For heated seat problems the first thing to do is determine if one side or both sides are affected. The engine has to be running for the heated seats to work so start things up and check one side. See if you can turn on the seat heat, and then see whether it will stay on for at least a minute or so.

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.

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.

How to troubleshoot the heated seats in vehicles?

Disconnect the connector for the heated seat circuit. This can be found under the driver and passenger seat. Test the connector with a voltmeter. Insert one end of the probe into one of the pins on the connector. If there is no reading on the voltmeter then the connector is malfunctioning.

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.

Why is the heater not working on my Ford Escape?

If the neither hose has any heat, you may have air in the cooling system, low fluid, or low pressure. If you look at your temperature gauge, and the engine is running hotter than normal, but there is not heat coming from the heater you may be having issues with the water pump.

Why is the heater not working on my Buick Enclave?

Not having a functioning heater makes driving much less comfortable, and can be a sign of certain issues. At the simplest level, there are two main reasons why the heater is not working. If it’s not coming on at all, it’s usually either the blower motor or some other wiring issue.

Why is my Acura MDX heater not working?

If the heat is blowing, but blowing cold, it has something to do with the coolant getting to the heater core, or the heater core itself. At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core.

Why is my HVAC not working on my Chevy Silverado?

Pull and reinsert the fuses for the HVAC before starting the truck. If this didn’t work for you try Step 2. If it seems like one side is stuck at one temperature only, it could mean the blend door actuator is no longer working. The actuator turns a door to switch between warm and cold air, but there are multiple actuators in your truck.

How do you change the HVAC in a Chevy Silverado?

Lower the steering wheel and pry off the paneling around the driver’s side dash, the HVAC controller and the radio. Unscrew the bolts on either side of the HVAC controller, push in the clips, and then pull it out. Disconnect the electrical harnesses. Connect the new HVAC controller and slide it into the housing.

Where are the HVAC fuses in a Chevy Silverado?

Turn the ignition off. Find the three HVAC fuses; Two are under the hood and one is in the cab fuse box. Turn the AC and heater switches to the off position, and turn the temperature controls to the coldest setting. Set the HVAC to automatic. Plug in the fuses. Start the engine and let it run for five minutes.

Can a Silverado blower stay on with the key off?

The HVAC blower in this 2003 Silverado stays on speed 5 even with the key off. Here’s how to turn speed 5 of the blower off (while keeping speeds 1-4) and hopefully this will save you from replacing the battery. NOTE: GM issued a special coverage policy for this problem which covers the repair for 10 years or 150k miles, whichever comes first.

Can a faulty relay cause a heated seat to turn on?

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. Heated seat connector and relay.

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.

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 is the driver seat not working on my Silverado?

It looks like there is a fuse that controls the heated seats/Ignition and then a circuit breaker that controls both of the power seats. I have yet to find a fuse that controls JUST the driver seat. So does anyone have any ideas on what else to check or any clues as to why just the driver seat is not working??

How does the heated seat work on a Chevy Silverado?

The engine must be running for the heated seat feature to work. The heated seats will shut off automatically when the ignition is turned off. Two buttons, located on the door, are used to control the heated seat. • Press the horizontal (RH) button to heat the entire seat, back and cushion.

Why do heated seats go out at the same time?

But they appear to be 2 complete different circuits because the power to the seat is the 30A circuit breaker that controls both seats and then the heated seats are included in the ignition with a 10A fuse. So I just think it is odd that they both go out at the same time and that it was only the driver side and not the passenger.

How do I Turn Off the heated seat?

Press the button a fourth time to turn the entire heated seat OFF. To heat ONLY the seat back, press the vertical (LH) button one time. • An ON/OFF indicator light over the heated seat back symbol will glow to designate that ONLY the seat back is being heated.

Where was the 2004 Chevy Silverado 1500 Z71 purchased?

1st owner purchased on 06/08/04 and owned in MO until 08/10/07 • 2nd owner purchased on 11/08/07 and owned in KS until 08/03/09 • 3rd owner purchased on 11/16/09 and owned in KS until .

When was the last serviced Chevy Silverado 1500 Z71?

Last serviced at 137,314 miles in Colusa, CA on 02/20/19 • Vehicle serviced • Emission system checked. No accident or damage reported to CARFAX. 1st owner purchased on 10/12/04 and owned in IA until 07/22/20 • 2nd owner purchased on 07/22/20 and owned in IA until .

How many miles does Chevy Silverado 1500 Z71 have?

Mileage: 145,223 miles Body Type: Pickup Engine: 8 Cyl 5.3 L No accident or damage reported to CARFAX. 1st owner purchased on 02/06/03 and owned in NJ until 11/08/04 • 2nd owner purchased on 11/08/04 and owned in NJ until 08/30/07 • 3rd owner purchased on 08/30/07 and owned in NJ until .

What happens if you run a Chevy Silverado Hot?

The Chevrolet Silverado is a rugged truck that is made for a tough workload. Coolant system failure can eventually cause major engine damage as running the truck hot can lead to head gasket failure or loss of power eventually causing the motor to stop running.

What to do about HVAC issues on a Chevy Silverado?

If you’ve noticed the control issues happening after disconnecting the battery or having repair work done, then the quickest fix is to recalibrate the HVAC. Turn the ignition off. Find the three HVAC fuses; Two are under the hood and one is in the cab fuse box.

How do you cool down a Silverado truck?

Allow the truck 30 minutes to cool down. The coolant system will be under pressure when it is first turned off. Open the hood to access the engine compartment. Locate the radiator in front of the engine compartment. Twist the radiator cap counterclockwise to remove it from the radiator.

For example, if the driver and passenger both attempt to turn on their heated seats, one of the seats may fail to work. In this case, the culprit may very well be the heating element.

What kind of seats does a Chevy Silverado have?

Our blogs contain lots of good information about seat swaps related to the GM Truck Line. These seats were available in the following configurations: Full Bench Seat (1999 & Older), 60-40 Bench Seat (1999 & Older), 40-20-40 Bench Seat (2000 & Newer), and Bucket Seats.Learn more about seat configurations here .

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.

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. Heated seat connector and relay.

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.

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.

Why does my heated seat go on and off?

The driver side heated seat goes on by itself and cycles through the settings. This does not happen all the time. Sometimes it is fine for a week. I have disconnected the battery for a long time hoping to reset the problem but to no avail. Do you have any suggestions?

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.

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 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.

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.

Is the heated seat on a GM Truck working?

From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. Well it finally cooled off in FL this week. More than welcomed. It was int he 40’s at 5am going to work and I kicked on the heated seat. 15 minutes later still no heat.

Why does my seat heater not turn on?

Some customers may comment that occasionally the seat heater will not operate when activated. If the ignition key is cycled OFF and back ON again, the heated seat will operate correctly. Also, on some LB7 diesel engine vehicles, the seat heater may turn itself off during the first 10 minutes of operation.

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.

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.

What does it mean when heated seats Don’t Turn on?

In the heated seats don’t turn on scenario, the driver can push the heated seats button and the heaters will not come on. But if the driver turns the key to OFF and then back to ON, they will work. Other times, the heated seats will turn on normally.

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.

Where are the heated seats on a GM Truck?

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.

Where is the front seat heater on a Silverado?

, passenger heat switch, replaced seat heater circuit breaker by the brake pedal also reprogrammed driver seat module, driver door module, PCM , BCM. Question I HAVE HAD A HEADACHE WITH THIS TRUCK ALREADY,,, I GOT A B2425 CODE WHICH IS LEFT FRONT SEAT HEATER CIRCUIT.

The driver side heated seat goes on by itself and cycles through the settings. This does not happen all the time. Sometimes it is fine for a week. I have disconnected the battery for a long time hoping to reset the problem but to no avail. Do you have any suggestions?

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.

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.

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Ruth Doyle