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Climate Controlled Seat Troubleshooting

psi4pwr91

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psi4pwr91 New Member

psi4pwr91

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Posted

Hey ya'll. I have got a couple of quick questions about the climate controlled seats. I have a 2009 Sierra Denali with the heated/cooled seats, and my driver's side seat isn't working. The passenger side seat works just fine, and the controls on the door work fine as well. All of the lights illuminate and indicate that all the settings are fine. I checked out the connectors on the seat climate control module, and I didn't notice any carbon buildup or damage. I'm at the point where I have to start swapping parts or shooting wires I think. Does anyone have any wiring diagrams or pinouts for the seat climate control, or any other suggestions for getting everything working again?

dgood Enthusiast

dgood

Posted
Posted
I saw this TSB related to inoperative seats - maybe take another good look at the CCSM contacts, clean them, check pin fit closely?
I don't have any diagram for the CCSM itself, just the pwr dist schematic from the fuse block to the control.
#PIT4609B: Heated / Cooled Seats Inoperative - (Dec 6, 2012)
Subject: Heated / Cooled Seats Inoperative 999999995.gif Models: 2007-2011 Cadillac Escalade Models 2009-2011 GMC Sierra Denali, Yukon Denali 2009-2011 Chevrolet Avalanche, Suburban, Tahoe (LTZ Models Only) With Heated And Cooled seats (RPO KB6) The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern

Some customers may comment that the heated or cooled seat feature is inoperative for either the driver or passenger front seat. The cause may be a poor connection at the Climate Control Seat Module (CCSM) C1 pin E circuit 4740 (07 model year) or X1 pin E circuit 4740 (2008-11 model years).

Recommendation/Instructions

Closely inspect CCSM C1 pin E or X1 pin E for proper pin fit. Also check for any distortion of the connector housing or CCSM that could cause a poor connection. If any distortion is found, replace the CCSM and connector.

psi4pwr91 New Member

psi4pwr91

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Posted

I didn't see anything at all that would indicate a poor connection. I didn't see any recessed pins, damage to the connectors, burn indications, or buildup that one would expect would lead to a problem. I will check again. Does anyone out there know which pin on the Driver's seat these wires lead to?

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