2010 SC Climate Controlled Seats
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Thread: 2010 SC Climate Controlled Seats

  1. #1
    FRESHMAN ROVER
    Join Date
    September 10th, 2006
    Location
    Ontario, Canada
    Posts
    70

    2010 SC Climate Controlled Seats

    OK I bought this truck used and "everything worked" when I test drove it, a few days after I took delivery I noticed the from seats were not heating, further investigation they are not cooling either. I bought the GAP tool and downloaded the codes this is what I found;

    B1231-7A Right and Left Seat failure logged at the same time?? What would cause this? This was the morning before I took delivery, could they have dislodged something detailing the car? Later same day the U0140-00 Lost communication with BCM fault triggered, this was after I took delivery. Both seats not heating or cooling and the dealer swears they were working.....I would like to restore these but the possible $2k bill isnt that attractive....

    Hoping this might be a simple fix, cant imagine both seats would crap out at the same time (3 seconds apart...)

    Thanks,
    Chris
    Attached Thumbnails Attached Thumbnails 2010 SC Climate Controlled Seats-error-log.jpg  
    Chris

    88" Bitsa this and bitsa that........
    was SIII now Late IIA

    1997 DSE 2.5TD
    Green

    2010 HSE L322 SC
    Black on Black
    AKA Black Betty

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  3. #2
    FRESHMAN ROVER
    Join Date
    September 7th, 2016
    Location
    Boston, MA
    Posts
    131

    Re: 2010 SC Climate Controlled Seats

    Not sure how helpful this is, but these guys cover the heated seats issue on L322 in good detail:
    https://www.youtube.com/watch?v=jKc08UaVSjk
    2004 Range Rover HSE

  4. #3
    FRESHMAN ROVER
    Join Date
    September 10th, 2006
    Location
    Ontario, Canada
    Posts
    70

    Re: 2010 SC Climate Controlled Seats

    Quote Originally Posted by dlimanov View Post
    Not sure how helpful this is, but these guys cover the heated seats issue on L322 in good detail:
    https://www.youtube.com/watch?v=jKc08UaVSjk
    Thanks Dlimanov but the newer L322 use a completely different system.
    Chris

    88" Bitsa this and bitsa that........
    was SIII now Late IIA

    1997 DSE 2.5TD
    Green

    2010 HSE L322 SC
    Black on Black
    AKA Black Betty

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  6. #4
    FRESHMAN ROVER
    Join Date
    October 2nd, 2013
    Location
    Grapevine TX
    Posts
    182

    Re: 2010 SC Climate Controlled Seats

    The module is under the right front seat, covered by a shoebox lid sized plastic lid retained by two plastic crosshead screws (if it's still there).

    The module has three connectors which are disconnected by releasing the blue lock on the connector before depressing the release tabs.

    It looks like this:
    https://www.ebay.com/itm/RANGE-ROVER...MAAOSwIJtbjpxj

    The module requires a 12v +ve and -ve supply and a low voltage 2.0v and 2.3v return from a twisted pair on the CAN bus in order to be "seen".

    You may be able to move the front passenger seat up and fully forward and then try and access the cavity below where the module is located or simply remove the seat for better access.

    If you do decide to remove the seat for access, just remove the four 10mm retaining bolts and allow the seat to "tip" backwards and lean against the back seat with the seat's electrical connections/plugs remaining connected.

    Rob

  7. #5
    SOLIHULL ROVER
    Join Date
    September 22nd, 2008
    Posts
    2,252

    Re: 2010 SC Climate Controlled Seats

    Would check the wiring as previously mentioned... then reset the truck completely, if they persist I'd check the peltiers. It's possible when they detailed the truck they slammed some things around and broke the seatbacks. I know I've done this. Had the passenger seat too far back and folded the rear seat, too much pressure on the seat back on a tired peltier unit and it cracks easily. These motors do NOT last. Though cooling should work regardless, tho it's only an 8 degree difference from ambient so listen for the blowers running. The heat relies on sensors, if there is a crack in the body causing a leak, a temp sensor will expect some value that never occurs and the system faults out.

    Also if you're not familiar with how these work they're way over complicated... peltiers in both the seat cushion and back on each seat, temp senses throughout, lots of little things to go wrong.

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