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Old 12-20-2012, 04:48 PM   #1 (permalink)
Bwest99svt
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LMM Heated seat problem

I have a 2010 LTZ and my drivers side heated seat works perfect. However all the sudden my passenger side will not work at all. When I turn on the seat the light will come on for one minute then turn off. I have checked the elements and that is not the problem. Anyone else ever had this issue ?
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Old 12-22-2012, 02:29 AM   #2 (permalink)
stdking
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I have an 7.5 and the driver quit working. No light. No heat. IDK
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Old 12-25-2012, 08:23 PM   #3 (permalink)
Enforcer
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I have an '06, and both of mine quit working a couple months ago. If you push the buttons, the lights come on, and then go right back out?!?! I can hear a relay or something click under the dash when the button gets pushed, but can't figure out what's going on. If any one has any ideas, I'd love to find out so the wife will quit complaining about a cold hiney!!
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Old 12-26-2012, 01:54 AM   #4 (permalink)
Kappa9012
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my shit better not stop working now because I read this !!!! Sub'd
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Old 12-26-2012, 03:11 AM   #5 (permalink)
heymccall
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"Checked the elements". What does that mean?
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Old 12-27-2012, 04:24 PM   #6 (permalink)
Bwest99svt
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Quote:
Originally Posted by heymccall View Post
"Checked the elements". What does that mean?
Bought a new heated seat pad and tried it in both spots and it does the same thing
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Old 12-27-2012, 04:28 PM   #7 (permalink)
heymccall
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Are there not FOUR elements, one in each bottom, and one in each back?
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'13 Hyundai Genesis Coupe handshaker
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Quote:
Originally Posted by GetSome8.1HD
Its not like I said I enjoyed reading Good Housekeeping while taking a candle lit bubble bath then proceeding to using a loofah with exfoliating creams all while thinking about you . Now THAT would be creepy
Member #21 of the OiO association

Last edited by heymccall; 12-27-2012 at 04:29 PM.
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Old 12-27-2012, 04:32 PM   #8 (permalink)
Bwest99svt
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Quote:
Originally Posted by heymccall View Post
Are there not FOUR elements, one in each bottom, and one in each back?
Yes, But the problem is only with my passenger side.... If I plug in the new pad and turn on the seat I get the light on for one minute then it shuts off and the pad never gets warm
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Old 12-27-2012, 05:18 PM   #9 (permalink)
heymccall
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Do you have an ohmmeter?
Using resistance values obtained from the working elements (driver's side or the new one), what is the resistance of each passenger side element, individually, the bottom and the back? Are they the same as the driver's?
Using the same meter, now set on DC volts, can you piggy back the power and ground to each element? Are they all receiving the same voltage, again, using the driver's seat as a reference?

What I'm getting at is that if any element has a value outside normal, the system will shut off that whole seat. If a back element is bad, both elements in that same seat are disabled, just as you have discovered, after a given time frame.
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Brian
'13 Hyundai Genesis Coupe handshaker
'14 Peterbilt 337 handshaker
Quote:
Originally Posted by GetSome8.1HD
Its not like I said I enjoyed reading Good Housekeeping while taking a candle lit bubble bath then proceeding to using a loofah with exfoliating creams all while thinking about you . Now THAT would be creepy
Member #21 of the OiO association
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Old 12-27-2012, 05:23 PM   #10 (permalink)
heymccall
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If #33 or #5 have a out of range value (open or shorted), it will switch off the seat, after a short time frame.


It is also possible the the wiring between the passenger seat and #20 is compromised, or that #20 itself has failed. #20 is the heated seat control module. #20 has to be programmed by the dealer, if replaced.
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Brian
'13 Hyundai Genesis Coupe handshaker
'14 Peterbilt 337 handshaker
Quote:
Originally Posted by GetSome8.1HD
Its not like I said I enjoyed reading Good Housekeeping while taking a candle lit bubble bath then proceeding to using a loofah with exfoliating creams all while thinking about you . Now THAT would be creepy
Member #21 of the OiO association

Last edited by heymccall; 12-27-2012 at 05:45 PM.
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