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Dan, Auto Service Technician
Category: Car
Satisfied Customers: 3490
Experience:  GM ASEP A.A.S. 14 years GM experience. Mark of Excellence and Professional Guild awarded.
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06 Cadillac DTS: Heated seats only work sometimes..modules..07

Resolved Question:

'06 Cadillac DTS: Heated seats only work sometimes. Had new modules in'06 & '07; been to dealer twice in a week. They check it out and can't find the problem. Everything test fine, the seats heat up and then they don't.
Submitted: 7 years ago.
Category: Car
Expert:  Dan replied 7 years ago.

Do you know if they followed this PI?

#PIC4825: Heated / Cooled Seat Inoperative - keywords climate control cool cooled driver front heat heated inoperative intermittent left module passenger right - (Mar 18, 2008)

Subject:Heated/ Cooled Seat Inoperative

Models:2006- 2008 Buick Lucerne w/ RPO KB6
2006- 2008 Cadillac DTS w/ RPO KB6


The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.


A customer may comment the heated / cooled seat feature is inop for either the driver or passenger front seat. The cause may be a poor connection of the climate control seat module (CCSM) C1 pin E circuit 1440 (2006- 2007 model years) or X1 pin E circuit 1440 (2008 model year).


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.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

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