Interior - Seat Heaters Inoperative/Cold: Overview

Bulletin No.: 03-08-50-005

Date: February 14, 2003

TECHNICAL

Subject:
Front Heated Seat Inoperative/Cold
(Replace/Install Seat Heat Element)

Models:
1997-1999 Cadillac DeVille
1994-1997 Cadillac Seville
1994-2002 Cadillac Eldorado
with RP0 KA1

Condition

Some customers may comment that the front seat assembly heat function is not operating properly.

The front seat back and seat cushion remain cold when either the LO or HI setting on the SEAT HEAT control has been activated.

Cause

This condition may be due to a non-functioning heat element in the front seat back or seat cushion trim cover.

1997-1999 DeVille (KD) LH F/Seat Heat Element Locations (RH Similar)

The heated seat system in the base model DeVille (KD) consists of two front heated seats. Each heated seat has two heat elements, one in the seat back and one in the seat cushion.

1997-1999 DeVille (KE/KF) LH F/Seat Heat Element Locations (RH Similar)





The heated seat system in the DeVille D'Elegance (KE, RP0-YP7) and Concours (KF, RP0-YP8) models consist of two front heated seats. Each heated seat has two heat elements, one in the seat back and one in the seat cushion.

1994-1997 Seville LH F/Seat Heat Element Locations (RH Similar)





The heated seat system consists of two front heated seats. Each heated seat has four heat elements, two in the seat back and two in the seat cushion.

1994-2002 Eldorado LH F/Seat Heat Element Locations (RH Similar)





The heated seat system consists of two front heated seats. Each heated seat has four heat elements, two in the seat back and two in the seat cushion.

Correction





1. Determine which heat element is not functioning properly by measuring the resistance values of the factory heat elements. Refer to the appropriate diagnostic procedure in this bulletin.

2. If the resistance values of a factory heat element are NOT within the specified range:

^ For DeVille Models, remove the factory heat element and install a service heat element.

^ For Seville/Eldorado Models, install a service heat element.

^ Refer to the appropriate Service Heat Element Replacement/Installation Procedure in this bulletin.








Parts Information

Parts are currently available from GMSPO.

Warranty Information





For vehicles repaired under warranty, use the table.





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