GMC Yukon 2000–2006

Manufacturer communication2003 GMC YUKON ・ 2012-05-02

Blower Motor Inoperative After Control Module Replacement

1. 1Fault

   • Air conditioning or heater
   ↓→

2. 2Finding the cause

   • Blower Motor: failed
   • Control Module: software
   ↓→

3. 3Correction

   GM: BLOWER INOPERATIVE AFTER CONTROL MODULE REPLACEMENT. THIS MAY OCCUR IF THE SPEED IS SET TO ANY SPEED POSITION, EXCEPT FOR LOW, WHEN THE KEY IS TURNED OFF. UPON NEST KEY UP, THE BLOWER MOTOR MAY BE INOPERATIVE. ALSO INCLUDED MODEL CHEVROLET TRAILBLAZER XL MODEL YEARS 2003-2007. *JS

   What the documents say to do

   Blower motor inoperative after blower control module replacement (auto HVAC)

   Repair

   • Replace module PN 89019351 with the updated Blower Motor Control Module, GM PN 19260762.

Manufacturer communication2003–2006 GMC YUKON ・ 2011-06-27

General Motors HVAC Blower Service Campaign

1. 1Fault

   • Air conditioning or heater
   • Smoke or fire
   ↓→

2. 2Finding the cause

   • Blower Motor: failed
   ↓→

3. 3Correction

   GENERAL MOTORS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE HVAC BLOWER MAY NOT WORK AT CERTAIN FUNCTIONS OR MAY BECOME INOPERABLE. THERE COULD BE A BURNING SMELL OR SMOKE. *RM UPDATED 4/6/12. *PE

   What the documents say to do

   HVAC blower motor resistor module / connector overheating

   Repair

   1. Dealers install a new blower motor resistor and resistor module connector.
   2. Cut the wires back far enough to remove any melted insulation.

   Caution

   • The connector must be replaced even if it was replaced in an earlier repair.

Manufacturer communication2003–2006 GMC YUKON DENALI ・ 2012-04-10

Blower Motor Inoperativity with Key Off

1. 1Fault

   • Air conditioning or heater
   ↓→

2. 2Finding the cause

   • Blower Motor: electrical fault
   ↓→

3. 3Correction

   BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE: IF BLOWER MOTOR IS SET TO ANY SPEED POSITION AND WHEN KEY IS OFF, IT BECOMES INOPERATIVE AND MAY STILL BE INOPERATIVE AFTER KEY IS TURNED ON. *PE UPDATED ON 5/1/12. *JS

Manufacturer communication2004–2006 GMC YUKON ・ 2005-11-04

Blower Motor Speed Loss Except High Speed or Inoperative

1. 1Fault

   • Air conditioning or heater
   ↓→

2. 2Finding the cause

   • Blower Motor: failed
   ↓→

3. 3Correction

   EI05082 - LOSS OF BLOWER MOTOR SPEEDS EXCEPT FOR HIGH SPEED OR INOPERATIVE. *TT UPDATED. *KB UPDATED *KB

Manufacturer communication2003–2004 GMC YUKON ・ 2004-10-08

Repeat HVAC Blower Motor Failure

1. 1Fault

   • Air conditioning or heater
   ↓→

2. 2Finding the cause

   • Blower Motor: failed
   ↓→

3. 3Correction

   REPEAT HVAC BLOWER MOTOR FAILURE. *TT

Manufacturer communication2000–2002 GMC YUKON DENALI ・ 2004-07-13

Fan blower motor continues to run after key off; A/C control head locking

1. 1Fault

   • Air conditioning or heater
   ↓→

2. 2Finding the cause

   • Air Conditioning Control Head: failed
   • Blower Motor: failed
   ↓→

3. 3Correction

   THE FAN BLOWER MOTOR CONTINUES TO RUN AFTER THE KEY HAS BEEN TURNED OFF OR THE A/C CONTROL HEAD LOCKING UP. *TT

Manufacturer communication2004–2005 GMC YUKON ・ 2005-10-25

Blower Motor Inoperative at Low Ambient Temperatures

1. 1Fault

   • Air conditioning or heater
   ↓→

2. 2Finding the cause

   • Blower Motor: failed
   ↓→

3. 3Correction

   BLOWER MOTOR INOPERATIVE AT LOW AMBIENT TEMPERATURES. *TT

Manufacturer communication2003–2005 GMC YUKON ・ 2005-01-10

HVAC Blower Motor Inoperative or Stays Running

1. 1Fault

   • Air conditioning or heater
   ↓→

2. 2Finding the cause

   • Blower Motor: failed
   ↓→

3. 3Correction

   HVAC BLOWER MOTOR INOPERATIVE OR STAYS RUNNING. *TT

Manufacturer communication2004 GMC YUKON ・ 2003-12-01

HVAC Blower Motor May Run Continuously After Vehicle Is Turned Off

1. 1Fault

   • Air conditioning or heater
   ↓→

2. 2Finding the cause

   • Blower Motor: failed
   ↓→

3. 3Correction

   HVAC BLOWER MOTOR MAY RUN CONTINUOUSLY AFTER VEHICLE IS TURNED OFF. *TT