Question about 2007 Chevrolet Avalanche LTZ

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Heated seats I bought a used 07 avalanche and the passenger seat heater doesn't work, any suggestions. By the way the lights for it on the door panel do not light up

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Probably a loose connection or fuse (start with the fuse and then look for a loose connection in the door)

Posted on Feb 05, 2009

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Seat heater comes on by itself in 2004 yukon denali


Heated Seat Components
The heated seat system consists of the following components:
• Driver and passenger heated seat switches
• Driver and passenger seat back heater elements
• Driver and passenger seat cushion heater elements
• Driver and passenger seat back temperature sensors
• Driver seat module
• Driver door module
• Passenger door module
When there are modules involved in the operation of any componet that's acting up , the module's electronic's could be the culprit ! But without testing who's to say what the problem could be !
I would have it check for DTC'S
DTC B2425 or B2430
The driver and passenger seat heaters are controlled by the driver seat module. Power is supplied to the driver seat cushion and back heater elements through individual voltage supply circuits. Power is supplied to the passenger seat cushion and back heater elements through a common voltage supply circuit. All of the driver and passenger seat heater elements are grounded by the driver seat module through individual low side drive control circuits. The heater element control circuits are pulse width modulated to ground by the driver seat module in order to control the seat temperatures by regulating the current flow through the heater elements.
DTC B2435 or B2440
The driver seat module relies on inputs from thermistors installed in the driver and passenger seat backs to control heated seat temperatures. The thermistors are 2-wire sensors supplied with a 5-volt referenced signal circuit and low reference circuit from the driver seat module. Resistance through the thermistors varies with temperature causing the heated seat sensor signal circuit voltage levels to decrease as the seat back temperatures rise.
Install a scan tool.
Start the engine.
Turn the heated seat ON.
With a scan tool, observe the Heated Seat Sensor parameter in the data list for the driver seat module.
Does the scan tool indicate that the heated seat sensor parameter is within the specified range?
0.078-4.94 V

Dec 08, 2016 | GMC Yukon Denali Cars & Trucks

1 Answer

Driver side electric seat is stuck in the far forward position and won't move. How do I move it manually or fix the motor.


Auto Repair: How to Replace a Power Seat Motor - YouTube

? 1:44
https://www.youtube.com/watch?v=EDh-0rs5Fjo
Oct 26, 2010 - Uploaded by automdvideos
Auto Repair: How to Replace a Power Seat Motor ... 2007 - 2008 Ford Expedition/Lincoln Navigator Driver Bottom Install Video ...2003-2006 Chevy/GMC Seat Cover Install 1 of 3 - eBay Ready ...2000 Ford Explorer Front Seat Track Stuck Motor Repair - Duration: 4:39. by cubmancan 4,959 views. 4:39.
Drivers seat is dead! No power seat or heat. - TheDieselGarage.comwww.thedieselgarage.com/.../96465-drivers-seat-dead-no-power-seat-hea...Mar 22, 2010 - 2003-2005 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2003-2005.... Power seat on driver side didn't work.....passenger did! Neither ...DANG electric seat ' Chevy Truck Forum ' GM Truck Clubwww.gmtruckclub.com/forum/threads/dang-electric-seat.2990/Apr 27, 2006 - 10 posts - ‎7 authors'03 Tahoe My driver seat just stopped, of corse not where I need it, the ... I have a 2003Tahoe and both heated seats are not working. ... with my seat heater on the drivers seat in my 03 Avalanche, it turns ... The driver's side on my Silverado gets way warmer than the passenger side. ... Frozen New Member.Power Seat Problems?? - Tahoe Forum - Che

Dec 29, 2015 | 2003 Chevrolet Avalanche

1 Answer

My 2010 Avalanche driver heated seat won't warm up. Lights come on but no heat. Pass side works OK Any ideas?


ck to see if the wires are still connected to the heater under the seat itself , maybe you stuck something under there and broke a wire ,

Mar 19, 2015 | 2010 Chevrolet Avalanche

2 Answers

2004 Chevrolet Avalanche driver side heated seat switch with pedal adjustment and memory does nothing, doesn't light up or anything. The passenger side heated seats work perfect. Does this sound like


The left I/P fuse block also contains the 25A LT DOORS CIRCUIT BREAKER which could be defective (no 12V on ORG lead). The I/P relay block contains the 30A SEATS CIRCUIT BREAKER which, if defective, would affect the memory seat module (also no 12V on ORG lead). The pedal adjust circuit receives power through the 15A EAP FUSE in the underhood fuse block.

Mar 13, 2014 | Chevrolet Avalanche Cars & Trucks

3 Answers

I have a 2002 Oldsmobile Bravada...Yesterday all of a sudden my passenger's side window stop working(up and down)...the power lock and the heated seat all stop working on my passenger's side...?


If you have an Owners manual, try looking for a fuse panel diagram. Your could have a bad connection inside the doorpanel which shorted the fuse. The seat drive motor must be wired to a separate circuit coming from the floorboard and its okay.
The circuits are wired independently to protect the lighter wires from the heavy drain of the seat motor. If you had the heated seat function working on the seat at the same time as adjusting the seat motor it would be too much for a single circuit, so they gave you two circuits.

If you are going to work on the door panel, disconnct the NEG battery cable so you won't short out something taking it apart.

Another Repair place you might try is a Glass Replacement shop. They install the inner workings of window tracks daily and remove the door panels to do it. They would be able to find your wires, test your window motor, and get you on your way quickly.

Unlike a Dealership, they have a high turnover of glass installations daily. Some even come to your house to repair your problem. Your car would be repaired more quickly with these services.

Nov 22, 2011 | 2002 Oldsmobile Bravada

1 Answer

Any advise on driver side heated seat not working . . lights for heat control blink but do not stay soild .passanger side works


This is usually a problem with the passenger seat heater control module. It is a common failure on your vehicle. The module is part of the seat cushion.

Just for the heck of it though, check to make sure the wiring to the module under the seat is connected and not loose.

Nov 06, 2009 | 2003 Chevrolet Avalanche

2 Answers

Heated driver seat doesn't heat on 2003 ford explorer


this is a common problem if you use the seat heater alot.one or both of the seat heater elements will have burned up or broken.where i live it is very cold most of the time and i have replaced hundreds of the seat heater elements.it is rare for it not to be one or both of the elements.

Nov 14, 2008 | 2003 Ford Explorer

1 Answer

Heated Seat on Drivers side comes on immediately when starting vehicle


your problen might be with the heater switch in the door. But I am not for sure, this is just a suggestion!!

Aug 19, 2008 | 2004 Chevrolet Avalanche

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