TSB: CADILLAC CHU, CXU, ESCALADE, ESCALADE ESV, ESCALADE EXT, GU, PINNACLE (CHU), PINNACLE (CXU), SIERRA, SILVERADO, SUBURBAN, TAHOE, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2006-2012)

Bulletin PI-0695 - August 1, 2010

Bulletin Details

Bulletin IDPI-0695
ManufacturerCADILLAC
ModelsCHU, CXU, ESCALADE, ESCALADE ESV, ESCALADE EXT, GU, PINNACLE (CHU), PINNACLE (CXU), SIERRA, SILVERADO, SUBURBAN, TAHOE, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL
Model Years2006-2012
Date IssuedAugust 1, 2010
Date Added to NHTSAMay 1, 2012
ComponentPOWER TRAIN:MANUAL TRANSMISSION
Vehicles Affected74 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls, they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

GM: DIAGNOSE AND REPAIR HVAC BLOWER FUNCTION. MAY NOT BE ANY AIR FLOW FROM THE HVAC VENTS. ONE POSSIBLE OF THIS CONDITION MAY BE THE CONTACTS IN THE HVAC JUNCTION BLOCK(S) LOCATED AT THE RIGHT SIDE OF THE INSTRUMENTAL PANEL. *JS UPDATE

Affected Vehicles

MakeModelYearComponent
CADILLAC ESCALADE ESV 2012 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CADILLAC ESCALADE EXT 2012 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC SIERRA 2012 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET SILVERADO 2012 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET SUBURBAN 2012 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET TAHOE 2012 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON 2012 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON DENALI 2012 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON DENALI XL 2012 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON XL 2012 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CADILLAC ESCALADE 2011 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CADILLAC ESCALADE ESV 2011 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CADILLAC ESCALADE EXT 2011 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
MACK GU 2011 102000 POWER TRAIN:MANUAL TRANSMISSION
MACK PINNACLE (CHU) 2011 102000 POWER TRAIN:MANUAL TRANSMISSION
MACK PINNACLE (CXU) 2011 102000 POWER TRAIN:MANUAL TRANSMISSION
GMC SIERRA 2011 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET SILVERADO 2011 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET SUBURBAN 2011 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET TAHOE 2011 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON 2011 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON DENALI 2011 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON DENALI XL 2011 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON XL 2011 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
MACK CHU 2010 102000 POWER TRAIN:MANUAL TRANSMISSION
MACK CXU 2010 102000 POWER TRAIN:MANUAL TRANSMISSION
CADILLAC ESCALADE 2010 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CADILLAC ESCALADE ESV 2010 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CADILLAC ESCALADE EXT 2010 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
MACK GU 2010 102000 POWER TRAIN:MANUAL TRANSMISSION
GMC SIERRA 2010 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET SILVERADO 2010 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET SUBURBAN 2010 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET TAHOE 2010 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON 2010 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON DENALI 2010 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON DENALI XL 2010 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON XL 2010 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
MACK CHU 2009 102000 POWER TRAIN:MANUAL TRANSMISSION
MACK CXU 2009 102000 POWER TRAIN:MANUAL TRANSMISSION
CADILLAC ESCALADE 2009 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CADILLAC ESCALADE ESV 2009 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CADILLAC ESCALADE EXT 2009 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
MACK GU 2009 102000 POWER TRAIN:MANUAL TRANSMISSION
GMC SIERRA 2009 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET SILVERADO 2009 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET SUBURBAN 2009 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET TAHOE 2009 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON 2009 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON DENALI 2009 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON DENALI XL 2009 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON XL 2009 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
MACK CHU 2008 102000 POWER TRAIN:MANUAL TRANSMISSION
MACK CXU 2008 102000 POWER TRAIN:MANUAL TRANSMISSION
CADILLAC ESCALADE 2008 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CADILLAC ESCALADE ESV 2008 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CADILLAC ESCALADE EXT 2008 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
MACK GU 2008 102000 POWER TRAIN:MANUAL TRANSMISSION
GMC SIERRA 2008 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET SILVERADO 2008 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET SUBURBAN 2008 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET TAHOE 2008 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON 2008 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON DENALI 2008 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON DENALI XL 2008 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
GMC YUKON XL 2008 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
MACK CHU 2007 102000 POWER TRAIN:MANUAL TRANSMISSION
MACK CXU 2007 102000 POWER TRAIN:MANUAL TRANSMISSION
MACK GU 2007 102000 POWER TRAIN:MANUAL TRANSMISSION
GMC SIERRA 2007 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
CHEVROLET SILVERADO 2007 138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
MACK CHU 2006 102000 POWER TRAIN:MANUAL TRANSMISSION
MACK CXU 2006 102000 POWER TRAIN:MANUAL TRANSMISSION
MACK GU 2006 102000 POWER TRAIN:MANUAL TRANSMISSION

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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized CADILLAC dealer. Bring this bulletin ID (PI-0695) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage, manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix, the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.