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Discussion Starter · #1 ·
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Having trouble with driver's side heated seat. When I press the heated seat button for the driver's side, nothing happens. No switch illumination, nor does the seat heat. The passenger side works fine. The button illuminates in both settings and seat heats as it should.
I am assuming that there is a single fuse that powers both seats and thus do not think it is fuse related. I visually inspected under the driver's seat for any obvious wires or connectors that look suspect, but found nothing. Can this be as simple as a bad switch on the console? If so, my thoughts are to swap the known, good switch from the passenger side with the driver's side switch.
Your thoughts??
Thank you in advance.
 

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Seperate 25A fuse for each seat I think,,, refer to label on I/P fuse box cover or owner manual for fuse applications

If popped, suspect trouble with either the seat bottom grid,, or seat back grid,, need diagram and time to sort it out, as manual dont call out wiring too well
 

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Discussion Starter · #3 ·
Unless I am wrong, there is a single 25amp fuse in panel (s/warmer) that goes to the seat warmer control module. Still hoping it is the switch, not the seat as the issue. Anyone??
 

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Your right, both seats are powered from the one fuse.

The switch doesn't carry any significant current so it seems unlikely the switch would be faulty. More likely the control module under the seat or maybe the wiring between the module and the switch.

 

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Unless I am wrong, there is a single 25amp fuse in panel (s/warmer) that goes to the seat warmer control module. Still hoping it is the switch, not the seat as the issue. Anyone??
If you have a dvom and can use it test the switch. Check the heater grids for continuity etc. Not a lot to these.
 

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Discussion Starter · #6 ·
Thank you for the replies. Unfortunately the Santa Fe is in the body shop for the next few days for some touch-up work. I will investigate further upon its return.
 

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Discussion Starter · #7 ·
OK guys, sorry for the lengthy delay, but I have the vehicle back home and today I have diagnosed the problem. I switched the seat warmer module (part #93600-0W400) from the passenger seat (known, working seat warmer) to the driver's seat and now the driver's seat warmer and associated seat warmer switch work as they should. So now I have to purchase a replacement seat warmer module to replace the faulty one. Found used/working modules on Ebay for under $30, but just spoke with dealer parts and new module from them is $25 + tax. Ordered it. I'll check back when this is all done to update.

Thanks again guys!!
 

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Can this module be reached without removing the seat? I have the exact same problem with my 2006 Sedona and want to test the module the same way.
 

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Discussion Starter · #9 ·
Chris,
I had a lot of difficulty trying to access the module with the seat in place. I ended up just having to remove 4 bolts for each seat and just tipped the seat backwards to access the module. Pretty easy. Hope that helped.
 

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Chris,
I had a lot of difficulty trying to access the module with the seat in place. I ended up just having to remove 4 bolts for each seat and just tipped the seat backwards to access the module. Pretty easy. Hope that helped.

be careful when tipping seat back like that if the seat has an airbag in it. not common but have seen seat bags deploy from tipping them while battery still connected. i have also done it myself without disconnecting the negative terminal easily 1000 times and did not have them deploy. just wanted it to be known for anyone who isn't experienced to proceed with caution when tilting the seat back
 

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OK guys, sorry for the lengthy delay, but I have the vehicle back home and today I have diagnosed the problem. I switched the seat warmer module (part #93600-0W400) from the passenger seat (known, working seat warmer) to the driver's seat and now the driver's seat warmer and associated seat warmer switch work as they should. So now I have to purchase a replacement seat warmer module to replace the faulty one. Found used/working modules on Ebay for under $30, but just spoke with dealer parts and new module from them is $25 + tax. Ordered it. I'll check back when this is all done to update.

Thanks again guys!!
Hi there. Omg I just switch the passenger module to driver side and works perfectly. The dealer had fone check up on that it cost me 50$ to come back and tell me it was the 2 heating element and could be wires too so it would cost 1000$. I didnt make them repair it and after reading your post did the switch and it works. So now I have yo order one for passenger side. Can you please tell what dealer in which state you got it for 25$. My dealer is selling that piece for 200$. Please let me know if you can help. Thanks again for your testimonial on internet it really was a great help. :)
 

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Just shows you the quality of help you get at dealerships today, that an anonymous tip off the internet got you better info than the dealership could give you.
 

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OK guys, sorry for the lengthy delay, but I have the vehicle back home and today I have diagnosed the problem. I switched the seat warmer module (part #93600-0W400) from the passenger seat (known, working seat warmer) to the driver's seat and now the driver's seat warmer and associated seat warmer switch work as they should. So now I have to purchase a replacement seat warmer module to replace the faulty one. Found used/working modules on Ebay for under
$30, but just spoke with dealer parts and new module from them is $25 + tax. Ordered it. I'll check back when this is all done to update.

Thanks again guys!!
 

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I have a 2016 Santa Fe Sport. Took it to the dealer Dec 24 for the heater in the drivers seat not working. 3 trips later, they say the heating element has broken lines, the ECU is melted, and the plug is damaged. All total about $1500 Canadian in parts. The dealer is fighting with the extended warranty folks Tricare to get it all covered. Tricare is more like an insurance company than warranty....take pictures, we will delay as long as possible. This Sunday we go out, the passenger seat heater is broken....same symptoms - 3 lights come on, the one goes black, one stays solid, one flashes, NO HEAT. What are the odds. Has anyone else seen this before.
I'm extremely disappointed as this vehicle has been at the dealer more since Nov 2 than it's been in my driveway. Just had the long box replaced after the engine stopped working due to the knock sensory issue that had been updated a year ago. Won't be buying a Hyundai again any time soon - completely discouraged now.
 

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I have a 2016 Santa Fe Sport. Took it to the dealer Dec 24 for the heater in the drivers seat not working. 3 trips later, they say the heating element has broken lines, the ECU is melted, and the plug is damaged. All total about $1500 Canadian in parts. The dealer is fighting with the extended warranty folks Tricare to get it all covered. Tricare is more like an insurance company than warranty....take pictures, we will delay as long as possible. This Sunday we go out, the passenger seat heater is broken....same symptoms - 3 lights come on, the one goes black, one stays solid, one flashes, NO HEAT. What are the odds. Has anyone else seen this before.
I'm extremely disappointed as this vehicle has been at the dealer more since Nov 2 than it's been in my driveway. Just had the long box replaced after the engine stopped working due to the knock sensory issue that had been updated a year ago. Won't be buying a Hyundai again any time soon - completely discouraged now.
I am experiencing the same issue with the heat in MY driver seat, one light goes out, one stays on and one flashes....what's the issue and what is the fix?
 

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The fix was - replace Heater ($220), CCS ECU assembly ($396), replace Wiring Harness ($408) + labour ($170) All prices in Cdn Dollars. Thankfully all but $123 was covered by Extended 3rd Party warranty but the bullshit this dealer put me thru was terrible. I played telephone tag for a full day between the warranty company and the dealer. Dealer kept blaming the warranty company, warranty company kept saying just send us the pictures like we asked you to and why are you charging us so much for diagnosis as they agreed to a set fee for that. Got it fixed, then traded it in on a Subaru Outback. I'd never buy from this dealer again and would have to seriously consider a Hyundai as well - the poor excuses for quality shocked me...well it's got 150,000 km what do you expect, to the heater was damaged by driver kneeling on seat (yea right). If you build quality products and have quality dealers you don't face this issue.
 

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The fix was - replace Heater ($220), CCS ECU assembly ($396), replace Wiring Harness ($408) + labour ($170)
WOW...they just replaced the complete system. I guess somebody in that dealership likes to cover all his bases.


If I helped you fix it, why not...

Your support is greatly appreciated
 

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I have a 2016 Santa Fe Sport. Took it to the dealer Dec 24 for the heater in the drivers seat not working. 3 trips later, they say the heating element has broken lines, the ECU is melted, and the plug is damaged. All total about $1500 Canadian in parts. The dealer is fighting with the extended warranty folks Tricare to get it all covered. Tricare is more like an insurance company than warranty....take pictures, we will delay as long as possible.
I'm about to deal with Tricare for the first time since buying their 10yr/160000km extended warranty. I have a metalic clunk/rattle happening in the front end. Warranty says steering parts are covered for breakdown, which is defined as functional failure or part wear such that the parts don't operate within published tolerances.

I don't want them to come and take pictures. I want them to authorize the repair and cover the expense.
 
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