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Guest Message by DevFuse

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Heated and Cooled Seat INOP

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2 replies to this topic

#1 olee


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  • Lincoln MKZ Member
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  • Region:Decline
  • LocationUSA
  • My MKZ's Year:2007
  • My MKZ: mymkz
  • Current Vehicle:MKZ

Posted 15 April 2015 - 05:29 PM

I have 2007 MKZ. Love the car and it has never had to go to the dealer for anything...yet. Last week I got in the car and turned on the heated seats...nothing! no lights on either side, no heat, no cooling. I have checked all fuses and they all check out. I have removed #11 and 12 under hood and re-installed per some other site, they still do not work. I can fix whatever is not working just need to know what to replace. Any assistance would be greatly appreciated. Thanks in advance.



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#2 R2D2


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  • Region:U.S. Southern Atlantic
  • LocationPalm Coast, FL
  • My MKZ's Year:2014
  • My MKZ: mymkz
  • Current Vehicle:2014 MKZh

Posted 16 April 2015 - 05:31 AM

Hate to say the obvious, but have you checked under the seat for a loose plug?





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#3 drolds1


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  • Current Vehicle:2017 MKZ 3.0T AWD Sport Package

Posted 16 April 2015 - 01:18 PM

There was a TSB for this.  I don't have the number. Try removing the fuses per TSB.  If it works, the seat module has to be reprogrammed by a dealer or it may stop working again.  If it doesn't work, you're probably going to have to take it to a dealer and see what the codes are. 



FORD: 2007-2008 Expedition LINCOLN: 2006 Zephyr
2007-2008 MKZ, Navigator ISSUE:

Some 2007-2008 Expedition and Navigator, 2006 Zephyr and 2007-2008 MKZ vehicles built before 8/31/2007 and equipped with climate control seats may exhibit inoperative heating and/or cooling. There are no diagnostic trouble codes (DTCs) associated with this issue and IDS/PDS will not communicate with the dual climate control seat module (DCSM).


Follow the Service Procedure steps to correct the condition.

  1. Turn the ignition switch to key on engine off (KOEO) position.
  2. Run self test on DCSM.
    1. If DTCs are present do not continue with this TSB, follow normal Workshop Manual (WSM) diagnostics for the DTCs.
    2. If no communication with the DCSM, proceed to Step 3.
  3. Remove power to the DCSM and wait a minimum of 2 minutes. This will reset the DCSM.
    • Expedition/Navigator - remove Fuse 8 in the battery junction box (BJB).
    • Zephyr/MKZ - remove Fuse 11 and 12 in the BJB.
  4. Reinstall the fuse(s) and recheck for communication.
    1. If communication does not return, refer to WSM, Section 418-00.
    2. If the communication is restored by resetting:
      1. Expedition/Navigator/2008 MKZ - reprogram the DCSM to the latest calibration using IDS release 51.4 or later with patch 7. Calibration files may also be obtained at www.motorcraft.com.
      2. 2006 Zephyr/2007 MKZ - replace the DCSM.
  5. Recheck operation of the heated/cooled seat and for DTCs. If no DTCs return the vehicle to the customer.

  • R2D2 likes this

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