Bulletin Information

Bulletin Title: #05-04-21-002 - Info - Guidelines for Replacement of Transfer Case Control Module (TCCM) - (Mar 10, 2005)
Bulletin Type: Information
Applies To: Transfer Case

Applicable Vehicles

2005 GMC Truck Yukon XL - 4WD
2005 GMC Truck Yukon XL - 2WD
2005 GMC Truck Yukon Denali
2005 GMC Truck Yukon - 4WD
2005 GMC Truck Yukon - 2WD
2005 GMC Truck Savana - AWD
2005 GMC Truck Savana - 2WD
2005 GMC Truck Safari - 4WD
2005 GMC Truck Safari - 2WD
2005 GMC Truck Jimmy - 4WD
2005 GMC Truck Jimmy - 2WD
2005 GMC Truck GMC Sierra Denali
2005 GMC Truck GMC K Sierra - 4WD
2005 GMC Truck GMC C Sierra - 2WD
2005 GMC Truck Envoy XUV
2005 GMC Truck Envoy - 4WD
2005 GMC Truck Envoy - 2WD
2005 GMC Truck Canyon Pickup - 4WD
2005 GMC Truck Canyon Pickup - 2WD
2005 Chevrolet Venture Ext.
2005 Chevrolet Venture - 4WD
2005 Chevrolet Venture
2005 Chevrolet Uplander Ext.
2005 Chevrolet Uplander - 4WD
2005 Chevrolet Uplander
2005 Chevrolet TrailBlazer - 4WD
2005 Chevrolet TrailBlazer - 2WD
2005 Chevrolet Tahoe - 4WD
2005 Chevrolet Tahoe - 2WD
2005 Chevrolet Suburban - 4WD
2005 Chevrolet Suburban - 2WD
2005 Chevrolet SSR
2005 Chevrolet K Silverado - 4WD
2005 Chevrolet Express - AWD
2005 Chevrolet Express - 2WD
2005 Chevrolet Equinox
2005 Chevrolet Colorado Pickup - 4WD
2005 Chevrolet Colorado Pickup - 2WD
2005 Chevrolet C Silverado - 2WD
2005 Chevrolet Blazer - 4WD
2005 Chevrolet Blazer - 2WD
2005 Chevrolet Avalanche - 4WD
2005 Chevrolet Avalanche - 2WD
2005 Chevrolet Astro - 4WD
2005 Chevrolet Astro - 2WD
2005 Cadillac STS
2005 Cadillac Escalade EXT
2005 Cadillac Escalade ESV
2005 Cadillac Escalade - AWD
2005 Cadillac Escalade - 2WD
2005 Buick Terraza Ext.
2005 Buick Terraza - 4WD
2005 Buick Terraza
2005 Buick Rendezvous - FWD
2005 Buick Rendezvous - AWD
2005 Buick Rainier - 2WD
2005 Buick Rainier
2004 Oldsmobile Silhouette Ext.
2004 Oldsmobile Bravada - 2WD
2004 Oldsmobile Bravada
2004 GMC Truck Yukon XL - 4WD
2004 GMC Truck Yukon XL - 2WD
2004 GMC Truck Yukon Denali
2004 GMC Truck Yukon - 4WD
2004 GMC Truck Yukon - 2WD
2004 GMC Truck Sonoma Pickup - 4WD
2004 GMC Truck Sonoma Pickup - 2WD
2004 GMC Truck Savana - AWD
2004 GMC Truck Savana - 2WD
2004 GMC Truck Safari - 4WD
2004 GMC Truck Safari - 2WD
2004 GMC Truck Jimmy - 4WD
2004 GMC Truck Jimmy - 2WD
2004 GMC Truck GMC Sierra Denali
2004 GMC Truck GMC K Sierra - 4WD
2004 GMC Truck GMC C Sierra - 2WD (CNG)
2004 GMC Truck GMC C Sierra - 2WD
2004 GMC Truck Envoy XUV
2004 GMC Truck Envoy - 4WD
2004 GMC Truck Envoy - 2WD
2004 GMC Truck Canyon Pickup - 4WD
2004 GMC Truck Canyon Pickup - 2WD
2004 Chevrolet Venture Ext.
2004 Chevrolet Venture - 4WD
2004 Chevrolet Venture
2004 Chevrolet TrailBlazer - 4WD
2004 Chevrolet TrailBlazer - 2WD
2004 Chevrolet Tracker - 4WD
2004 Chevrolet Tracker - 2WD
2004 Chevrolet Tahoe - 4WD
2004 Chevrolet Tahoe - 2WD
2004 Chevrolet Suburban - 4WD
2004 Chevrolet Suburban - 2WD
2004 Chevrolet SSR
2004 Chevrolet S10 Pickup - 4WD
2004 Chevrolet S10 Pickup - 2WD
2004 Chevrolet K Silverado - 4WD
2004 Chevrolet Express - AWD
2004 Chevrolet Express - 2WD
2004 Chevrolet Colorado Pickup - 4WD
2004 Chevrolet Colorado Pickup - 2WD
2004 Chevrolet C Silverado - 2WD
2004 Chevrolet Blazer - 4WD
2004 Chevrolet Blazer - 2WD
2004 Chevrolet Avalanche - 4WD
2004 Chevrolet Avalanche - 2WD
2004 Chevrolet Astro - 4WD
2004 Chevrolet Astro - 2WD
2004 Cadillac SRX
2004 Cadillac Escalade EXT
2004 Cadillac Escalade ESV
2004 Cadillac Escalade - AWD
2004 Cadillac Escalade - 2WD
2004 Buick Rendezvous - FWD
2004 Buick Rendezvous - AWD
2004 Buick Rainier - 2WD
2004 Buick Rainier
2003 Oldsmobile Silhouette Ext.
2003 Oldsmobile Silhouette
2003 Oldsmobile Bravada - 2WD
2003 Oldsmobile Bravada
2003 GMC Truck Yukon XL - 4WD
2003 GMC Truck Yukon XL - 2WD
2003 GMC Truck Yukon Denali
2003 GMC Truck Yukon - 4WD
2003 GMC Truck Yukon - 2WD
2003 GMC Truck Sonoma Pickup - 4WD
2003 GMC Truck Sonoma Pickup - 2WD
2003 GMC Truck Savana - AWD
2003 GMC Truck Savana - 2WD
2003 GMC Truck Safari - 4WD
2003 GMC Truck Safari - 2WD
2003 GMC Truck Jimmy - 4WD
2003 GMC Truck Jimmy - 2WD
2003 GMC Truck GMC Sierra Denali
2003 GMC Truck GMC K Sierra - 4WD
2003 GMC Truck GMC C Sierra - 2WD
2003 GMC Truck Envoy - 4WD
2003 GMC Truck Envoy - 2WD
2003 Chevrolet Venture Ext.
2003 Chevrolet Venture - 4WD
2003 Chevrolet Venture
2003 Chevrolet TrailBlazer - 4WD
2003 Chevrolet TrailBlazer - 2WD
2003 Chevrolet Tracker - 4WD
2003 Chevrolet Tracker - 2WD
2003 Chevrolet Tahoe - 4WD
2003 Chevrolet Tahoe - 2WD
2003 Chevrolet Suburban - 4WD
2003 Chevrolet Suburban - 2WD
2003 Chevrolet SSR
2003 Chevrolet S10 Pickup - 4WD
2003 Chevrolet S10 Pickup - 2WD
2003 Chevrolet K Silverado - 4WD
2003 Chevrolet Express - AWD
2003 Chevrolet Express - 2WD
2003 Chevrolet C Silverado - 2WD
2003 Chevrolet Blazer - 4WD
2003 Chevrolet Blazer - 2WD
2003 Chevrolet Avalanche - 4WD
2003 Chevrolet Avalanche - 2WD
2003 Chevrolet Astro - 4WD
2003 Chevrolet Astro - 2WD
2003 Cadillac Escalade EXT
2003 Cadillac Escalade ESV
2003 Cadillac Escalade - AWD
2003 Cadillac Escalade - 2WD
2003 Buick Rendezvous - FWD
2003 Buick Rendezvous - AWD
2002 Oldsmobile Silhouette Ext.
2002 Oldsmobile Silhouette
2002 Oldsmobile Bravada - 2WD
2002 Oldsmobile Bravada
2002 GMC Truck Yukon XL - 4WD
2002 GMC Truck Yukon XL - 2WD
2002 GMC Truck Yukon Denali
2002 GMC Truck Yukon - 4WD
2002 GMC Truck Yukon - 2WD
2002 GMC Truck Sonoma Pickup - 4WD
2002 GMC Truck Sonoma Pickup - 2WD
2002 GMC Truck Savana - 2WD
2002 GMC Truck Safari - 4WD
2002 GMC Truck Safari - 2WD
2002 GMC Truck Jimmy - 4WD
2002 GMC Truck Jimmy - 2WD
2002 GMC Truck GMC K Sierra - 4WD
2002 GMC Truck GMC C Sierra - 2WD
2002 GMC Truck Envoy - 4WD
2002 GMC Truck Envoy - 2WD
2002 Chevrolet Venture Ext.
2002 Chevrolet Venture - 4WD
2002 Chevrolet Venture
2002 Chevrolet TrailBlazer - 4WD
2002 Chevrolet TrailBlazer - 2WD
2002 Chevrolet Tracker - 4WD
2002 Chevrolet Tracker - 2WD
2002 Chevrolet Tahoe - 4WD
2002 Chevrolet Tahoe - 2WD
2002 Chevrolet Suburban - 4WD
2002 Chevrolet Suburban - 2WD
2002 Chevrolet S10 Pickup - 4WD
2002 Chevrolet S10 Pickup - 2WD
2002 Chevrolet K Silverado - 4WD
2002 Chevrolet Express - 2WD
2002 Chevrolet C Silverado - 2WD
2002 Chevrolet Blazer - 4WD
2002 Chevrolet Blazer - 2WD
2002 Chevrolet Avalanche - 4WD
2002 Chevrolet Avalanche - 2WD
2002 Chevrolet Astro - 4WD
2002 Chevrolet Astro - 2WD
2002 Cadillac Escalade EXT
2002 Cadillac Escalade - AWD
2002 Cadillac Escalade - 2WD
2002 Buick Rendezvous - FWD
2002 Buick Rendezvous - AWD
2001 Oldsmobile Silhouette Ext.
2001 Oldsmobile Silhouette
2001 Oldsmobile Bravada
2001 GMC Truck Yukon XL - 4WD
2001 GMC Truck Yukon XL - 2WD
2001 GMC Truck Yukon Denali
2001 GMC Truck Yukon - 4WD
2001 GMC Truck Yukon - 2WD
2001 GMC Truck Sonoma Pickup - 4WD
2001 GMC Truck Sonoma Pickup - 2WD
2001 GMC Truck Savana - 2WD
2001 GMC Truck Safari - 4WD
2001 GMC Truck Safari - 2WD
2001 GMC Truck Jimmy - 4WD
2001 GMC Truck Jimmy - 2WD
2001 GMC Truck GMC K Sierra - 4WD
2001 GMC Truck Envoy - 4WD
2001 Chevrolet Venture Ext.
2001 Chevrolet Venture
2001 Chevrolet Tracker - 4WD
2001 Chevrolet Tracker - 2WD
2001 Chevrolet Tahoe - 4WD
2001 Chevrolet Tahoe - 2WD
2001 Chevrolet Suburban - 4WD
2001 Chevrolet Suburban - 2WD
2001 Chevrolet S10 Pickup - 4WD
2001 Chevrolet S10 Pickup - 2WD
2001 Chevrolet K Silverado - 4WD
2001 Chevrolet Express - 2WD
2001 Chevrolet C Silverado - 2WD
2001 Chevrolet Blazer - 4WD
2001 Chevrolet Blazer - 2WD
2001 Chevrolet Astro - 4WD
2001 Chevrolet Astro - 2WD
2000 Oldsmobile Silhouette Ext.
2000 Oldsmobile Bravada
2000 GMC Truck Yukon XL - 4WD
2000 GMC Truck Yukon XL - 2WD
2000 GMC Truck Yukon Denali
2000 GMC Truck Yukon - 4WD
2000 GMC Truck Yukon - 2WD
2000 GMC Truck Sonoma Pickup - 4WD
2000 GMC Truck Sonoma Pickup - 2WD
2000 GMC Truck Savana - 2WD
2000 GMC Truck Safari - 4WD
2000 GMC Truck Safari - 2WD
2000 GMC Truck Jimmy - 4WD
2000 GMC Truck Jimmy - 2WD
2000 GMC Truck GMC K Sierra - 4WD
2000 GMC Truck GMC K Pickup - 4WD
2000 GMC Truck GMC C Sierra - 2WD
2000 GMC Truck GMC C Pickup - 2WD (CNG)
2000 GMC Truck GMC C Pickup - 2WD
2000 GMC Truck Envoy - 4WD
2000 Chevrolet Venture Ext.
2000 Chevrolet Venture
2000 Chevrolet Tracker - 4WD
2000 Chevrolet Tracker - 2WD
2000 Chevrolet Tahoe Z71
2000 Chevrolet Tahoe Limited
2000 Chevrolet Tahoe - 4WD
2000 Chevrolet Tahoe - 2WD
2000 Chevrolet Suburban - 4WD
2000 Chevrolet Suburban - 2WD
2000 Chevrolet S10 Pickup - 4WD
2000 Chevrolet S10 Pickup - 2WD
2000 Chevrolet K Silverado - 4WD
2000 Chevrolet K Pickup - 4WD
2000 Chevrolet Express - 2WD
2000 Chevrolet C Silverado - 2WD
2000 Chevrolet C Pickup - 2WD
2000 Chevrolet Blazer - 4WD
2000 Chevrolet Blazer - 2WD
2000 Chevrolet Astro - 4WD
2000 Chevrolet Astro - 2WD
2000 Cadillac Escalade - AWD
1999 Oldsmobile Silhouette Ext.
1999 Oldsmobile Silhouette
1999 Oldsmobile Bravada
1999 GMC Truck Yukon - 4WD
1999 GMC Truck Yukon - 2WD
1999 GMC Truck Sonoma Pickup - 4WD
1999 GMC Truck Sonoma Pickup - 2WD
1999 GMC Truck Savana - 2WD
1999 GMC Truck Safari - 4WD
1999 GMC Truck Safari - 2WD
1999 GMC Truck Jimmy - 4WD
1999 GMC Truck Jimmy - 2WD
1999 GMC Truck GMC Suburban - 4WD
1999 GMC Truck GMC Suburban - 2WD
1999 GMC Truck GMC K Sierra - 4WD
1999 GMC Truck GMC C Sierra - 2WD
1999 GMC Truck GMC C Pickup - 2WD
1999 Chevrolet Venture Ext.
1999 Chevrolet Venture
1999 Chevrolet Tracker - 4WD
1999 Chevrolet Tracker - 2WD
1999 Chevrolet Tahoe - 4WD
1999 Chevrolet Tahoe - 2WD
1999 Chevrolet Suburban - 4WD
1999 Chevrolet Suburban - 2WD
1999 Chevrolet S10 Pickup - 4WD
1999 Chevrolet S10 Pickup - 2WD
1999 Chevrolet K Silverado - 4WD
1999 Chevrolet K Pickup - 4WD
1999 Chevrolet Express - 2WD
1999 Chevrolet C Silverado - 2WD
1999 Chevrolet C Pickup - 2WD
1999 Chevrolet Blazer - 4WD
1999 Chevrolet Blazer - 2WD
1999 Chevrolet Astro - 4WD
1999 Chevrolet Astro - 2WD
1999 Cadillac Escalade - AWD
1998 Oldsmobile Silhouette Ext.
1998 Oldsmobile Silhouette
1998 Oldsmobile Bravada
1998 GMC Truck Yukon - 4WD
1998 GMC Truck Yukon - 2WD
1998 GMC Truck Sonoma Pickup - 4WD
1998 GMC Truck Sonoma Pickup - 2WD
1998 GMC Truck Savana - 2WD
1998 GMC Truck Safari - 4WD
1998 GMC Truck Safari - 2WD
1998 GMC Truck Jimmy - 4WD
1998 GMC Truck Jimmy - 2WD
1998 GMC Truck GMC Suburban - 4WD
1998 GMC Truck GMC Suburban - 2WD
1998 GMC Truck GMC K Pickup - 4WD
1998 GMC Truck GMC C Pickup - 2WD
1998 Chevrolet Venture Ext.
1998 Chevrolet Venture
1998 Chevrolet Tracker - 4WD
1998 Chevrolet Tracker - 2WD
1998 Chevrolet Tahoe - 4WD
1998 Chevrolet Tahoe - 2WD
1998 Chevrolet Suburban - 4WD
1998 Chevrolet Suburban - 2WD
1998 Chevrolet S10 Pickup - 4WD
1998 Chevrolet S10 Pickup - 2WD
1998 Chevrolet K Pickup - 4WD
1998 Chevrolet Express - 2WD
1998 Chevrolet C Pickup - 2WD
1998 Chevrolet Blazer - 4WD
1998 Chevrolet Blazer - 2WD
1998 Chevrolet Astro - 4WD
1998 Chevrolet Astro - 2WD
1997 Oldsmobile Silhouette Ext.
1997 Oldsmobile Silhouette
1997 Oldsmobile Bravada
1997 GMC Truck Yukon - 4WD
1997 GMC Truck Yukon - 2WD
1997 GMC Truck Sonoma Pickup - 4WD
1997 GMC Truck Sonoma Pickup - 2WD
1997 GMC Truck Savana - 2WD
1997 GMC Truck Safari - 4WD
1997 GMC Truck Safari - 2WD
1997 GMC Truck Jimmy - 4WD
1997 GMC Truck Jimmy - 2WD
1997 GMC Truck GMC Suburban - 4WD
1997 GMC Truck GMC Suburban - 2WD
1997 GMC Truck GMC K Pickup - 4WD
1997 GMC Truck GMC C Pickup - 2WD
1997 Geo Tracker - 4WD
1997 Geo Tracker - 2WD
1997 Chevrolet Venture Ext.
1997 Chevrolet Venture
1997 Chevrolet Tahoe - 4WD
1997 Chevrolet Tahoe - 2WD
1997 Chevrolet Suburban - 4WD
1997 Chevrolet Suburban - 2WD
1997 Chevrolet S10 Pickup - 4WD
1997 Chevrolet S10 Pickup - 2WD
1997 Chevrolet K Pickup - 4WD
1997 Chevrolet Express - 2WD
1997 Chevrolet C Pickup - 2WD
1997 Chevrolet Blazer - 4WD
1997 Chevrolet Blazer - 2WD
1997 Chevrolet Astro - 4WD
1997 Chevrolet Astro - 2WD
1996 Oldsmobile Silhouette
1996 Oldsmobile Bravada
1996 GMC Truck Yukon - 4WD
1996 GMC Truck Yukon - 2WD
1996 GMC Truck Sonoma Pickup - 4WD
1996 GMC Truck Sonoma Pickup - 2WD
1996 GMC Truck Safari - 4WD
1996 GMC Truck Safari - 2WD
1996 GMC Truck Jimmy - 4WD
1996 GMC Truck Jimmy - 2WD
1996 GMC Truck GMC Suburban - 4WD
1996 GMC Truck GMC Suburban - 2WD
1996 GMC Truck GMC K Pickup - 4WD
1996 GMC Truck GMC G Van
1996 GMC Truck GMC C Pickup - 2WD
1996 Geo Tracker - 4WD
1996 Geo Tracker - 2WD
1996 Chevrolet Tahoe - 4WD
1996 Chevrolet Tahoe - 2WD
1996 Chevrolet Suburban - 4WD
1996 Chevrolet Suburban - 2WD
1996 Chevrolet S10 Pickup - 4WD
1996 Chevrolet S10 Pickup - 2WD
1996 Chevrolet K Pickup - 4WD
1996 Chevrolet G Van
1996 Chevrolet C Pickup - 2WD
1996 Chevrolet Blazer - 4WD
1996 Chevrolet Blazer - 2WD
1996 Chevrolet Astro - 4WD
1996 Chevrolet Astro - 2WD

#05-04-21-002 - Info - Guidelines for Replacement of Transfer Case Control Module (TCCM) - (Mar 10, 2005)

Subject:
Guidelines for Replacement of Transfer Case Control Module (TCCM)
Models:
2005 and Prior Light Duty Trucks
with New Venture Gear (NVG) Transfer Case (RPOs NP1, NP4, NP8)

DO THIS

DON'T DO THIS

Properly diagnose and repair the transfer case control system prior to replacing...

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Document Title: #05-04-21-002 - Info - Guidelines for Replacement of Transfer Case Control Module (TCCM) - (Mar 10, 2005)

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tccm

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intermittent

testing

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replace tccm

dealers replacing tccm

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