TSB: CADILLAC AVALANCHE, CANYON, COLORADO, ENVOY, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE HYBRID, EXPRESS, H2, H3, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, TRAILBLAZER, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL (2008-2011)

Bulletin 110604007C - November 1, 2012

Bulletin Details

Bulletin ID110604007C
ManufacturerCADILLAC
ModelsAVALANCHE, CANYON, COLORADO, ENVOY, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE HYBRID, EXPRESS, H2, H3, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, TRAILBLAZER, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL
Model Years2008-2011
Date IssuedNovember 1, 2012
Date Added to NHTSADecember 4, 2023
ComponentPOWER TRAIN
Vehicles Affected209 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

Diagnosis and Repair - Malfunction Indicator Lamp (MIL) Illuminated, Reduced Engine Power Message Displayed, DTC P2135 Set

Affected Vehicles

MakeModelYearComponent
CHEVROLET AVALANCHE 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET AVALANCHE 2011 100000 POWER TRAIN
CHEVROLET AVALANCHE 2011 120000 EXTERIOR LIGHTING
GMC CANYON 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC CANYON 2011 100000 POWER TRAIN
GMC CANYON 2011 120000 EXTERIOR LIGHTING
CHEVROLET COLORADO 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET COLORADO 2011 100000 POWER TRAIN
CHEVROLET COLORADO 2011 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE 2011 100000 POWER TRAIN
CADILLAC ESCALADE 2011 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE ESV 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE EXT 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE HYBRID 2011 100000 POWER TRAIN
CADILLAC ESCALADE HYBRID 2011 120000 EXTERIOR LIGHTING
CHEVROLET EXPRESS 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET EXPRESS 2011 100000 POWER TRAIN
CHEVROLET EXPRESS 2011 120000 EXTERIOR LIGHTING
GMC SAVANA 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SAVANA 2011 100000 POWER TRAIN
GMC SAVANA 2011 120000 EXTERIOR LIGHTING
GMC SIERRA 2500 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SIERRA 3500 2011 100000 POWER TRAIN
GMC SIERRA 3500 2011 120000 EXTERIOR LIGHTING
GMC SIERRA DENALI 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SIERRA DENALI 2011 100000 POWER TRAIN
GMC SIERRA DENALI 2011 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 1500 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SILVERADO 1500 2011 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2011 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 2500 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SUBURBAN 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SUBURBAN 2011 100000 POWER TRAIN
CHEVROLET SUBURBAN 2011 120000 EXTERIOR LIGHTING
CHEVROLET TAHOE 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET TAHOE 2011 100000 POWER TRAIN
CHEVROLET TAHOE 2011 120000 EXTERIOR LIGHTING
GMC YUKON 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON 2011 100000 POWER TRAIN
GMC YUKON 2011 120000 EXTERIOR LIGHTING
GMC YUKON DENALI 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON DENALI XL 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON HYBRID 2011 100000 POWER TRAIN
GMC YUKON HYBRID 2011 120000 EXTERIOR LIGHTING
GMC YUKON XL 2011 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET AVALANCHE 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET AVALANCHE 2010 100000 POWER TRAIN
CHEVROLET AVALANCHE 2010 120000 EXTERIOR LIGHTING
GMC CANYON 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC CANYON 2010 100000 POWER TRAIN
GMC CANYON 2010 120000 EXTERIOR LIGHTING
CHEVROLET COLORADO 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET COLORADO 2010 100000 POWER TRAIN
CHEVROLET COLORADO 2010 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE 2010 100000 POWER TRAIN
CADILLAC ESCALADE 2010 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE ESV 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE EXT 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE HYBRID 2010 100000 POWER TRAIN
CADILLAC ESCALADE HYBRID 2010 120000 EXTERIOR LIGHTING
CHEVROLET EXPRESS 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET EXPRESS 2010 100000 POWER TRAIN
CHEVROLET EXPRESS 2010 120000 EXTERIOR LIGHTING
HUMMER H2 2010 100000 POWER TRAIN
HUMMER H2 2010 120000 EXTERIOR LIGHTING
HUMMER H3 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
HUMMER H3 2010 100000 POWER TRAIN
HUMMER H3 2010 120000 EXTERIOR LIGHTING
GMC SAVANA 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SAVANA 2010 100000 POWER TRAIN
GMC SAVANA 2010 120000 EXTERIOR LIGHTING
GMC SIERRA 1500 2010 100000 POWER TRAIN
GMC SIERRA 1500 2010 120000 EXTERIOR LIGHTING
GMC SIERRA 2500 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SIERRA DENALI 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SIERRA DENALI 2010 100000 POWER TRAIN
GMC SIERRA DENALI 2010 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 1500 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SILVERADO 1500 2010 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2010 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 2500 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SUBURBAN 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SUBURBAN 2010 100000 POWER TRAIN
CHEVROLET SUBURBAN 2010 120000 EXTERIOR LIGHTING
CHEVROLET TAHOE 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET TAHOE 2010 100000 POWER TRAIN
CHEVROLET TAHOE 2010 120000 EXTERIOR LIGHTING
GMC YUKON 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON 2010 100000 POWER TRAIN
GMC YUKON 2010 120000 EXTERIOR LIGHTING
GMC YUKON DENALI 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON DENALI XL 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON HYBRID 2010 100000 POWER TRAIN
GMC YUKON HYBRID 2010 120000 EXTERIOR LIGHTING
GMC YUKON XL 2010 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET AVALANCHE 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET AVALANCHE 2009 100000 POWER TRAIN
CHEVROLET AVALANCHE 2009 120000 EXTERIOR LIGHTING
GMC CANYON 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC CANYON 2009 100000 POWER TRAIN
GMC CANYON 2009 120000 EXTERIOR LIGHTING
CHEVROLET COLORADO 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET COLORADO 2009 100000 POWER TRAIN
CHEVROLET COLORADO 2009 120000 EXTERIOR LIGHTING
GMC ENVOY 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC ENVOY 2009 100000 POWER TRAIN
GMC ENVOY 2009 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE 2009 100000 POWER TRAIN
CADILLAC ESCALADE 2009 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE ESV 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE EXT 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE HYBRID 2009 100000 POWER TRAIN
CADILLAC ESCALADE HYBRID 2009 120000 EXTERIOR LIGHTING
CHEVROLET EXPRESS 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET EXPRESS 2009 100000 POWER TRAIN
CHEVROLET EXPRESS 2009 120000 EXTERIOR LIGHTING
HUMMER H2 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
HUMMER H2 2009 100000 POWER TRAIN
HUMMER H2 2009 120000 EXTERIOR LIGHTING
HUMMER H3 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
HUMMER H3 2009 100000 POWER TRAIN
HUMMER H3 2009 120000 EXTERIOR LIGHTING
GMC SAVANA 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SAVANA 2009 100000 POWER TRAIN
GMC SAVANA 2009 120000 EXTERIOR LIGHTING
GMC SIERRA 1500 2009 100000 POWER TRAIN
GMC SIERRA 1500 2009 120000 EXTERIOR LIGHTING
GMC SIERRA 2500 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SIERRA DENALI 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SIERRA DENALI 2009 100000 POWER TRAIN
GMC SIERRA DENALI 2009 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 1500 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SILVERADO 1500 2009 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2009 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 2500 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SUBURBAN 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SUBURBAN 2009 100000 POWER TRAIN
CHEVROLET SUBURBAN 2009 120000 EXTERIOR LIGHTING
CHEVROLET TAHOE 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET TAHOE 2009 100000 POWER TRAIN
CHEVROLET TAHOE 2009 120000 EXTERIOR LIGHTING
CHEVROLET TRAILBLAZER 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET TRAILBLAZER 2009 100000 POWER TRAIN
CHEVROLET TRAILBLAZER 2009 120000 EXTERIOR LIGHTING
GMC YUKON 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON 2009 100000 POWER TRAIN
GMC YUKON 2009 120000 EXTERIOR LIGHTING
GMC YUKON DENALI 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON DENALI XL 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON HYBRID 2009 100000 POWER TRAIN
GMC YUKON HYBRID 2009 120000 EXTERIOR LIGHTING
GMC YUKON XL 2009 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET AVALANCHE 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET AVALANCHE 2008 100000 POWER TRAIN
CHEVROLET AVALANCHE 2008 120000 EXTERIOR LIGHTING
GMC CANYON 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC CANYON 2008 100000 POWER TRAIN
GMC CANYON 2008 120000 EXTERIOR LIGHTING
CHEVROLET COLORADO 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET COLORADO 2008 100000 POWER TRAIN
CHEVROLET COLORADO 2008 120000 EXTERIOR LIGHTING
GMC ENVOY 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC ENVOY 2008 100000 POWER TRAIN
GMC ENVOY 2008 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE 2008 100000 POWER TRAIN
CADILLAC ESCALADE 2008 120000 EXTERIOR LIGHTING
CADILLAC ESCALADE ESV 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE EXT 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET EXPRESS 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET EXPRESS 2008 100000 POWER TRAIN
CHEVROLET EXPRESS 2008 120000 EXTERIOR LIGHTING
HUMMER H2 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
HUMMER H3 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
HUMMER H3 2008 100000 POWER TRAIN
HUMMER H3 2008 120000 EXTERIOR LIGHTING
GMC SAVANA 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SAVANA 2008 100000 POWER TRAIN
GMC SAVANA 2008 120000 EXTERIOR LIGHTING
GMC SIERRA 1500 2008 100000 POWER TRAIN
GMC SIERRA 1500 2008 120000 EXTERIOR LIGHTING
GMC SIERRA 2500 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SIERRA DENALI 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SIERRA DENALI 2008 100000 POWER TRAIN
GMC SIERRA DENALI 2008 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 1500 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SILVERADO 1500 2008 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2008 120000 EXTERIOR LIGHTING
CHEVROLET SILVERADO 2500 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SUBURBAN 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SUBURBAN 2008 100000 POWER TRAIN
CHEVROLET SUBURBAN 2008 120000 EXTERIOR LIGHTING
CHEVROLET TAHOE 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET TAHOE 2008 100000 POWER TRAIN
CHEVROLET TAHOE 2008 120000 EXTERIOR LIGHTING
CHEVROLET TRAILBLAZER 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET TRAILBLAZER 2008 100000 POWER TRAIN
CHEVROLET TRAILBLAZER 2008 120000 EXTERIOR LIGHTING
GMC YUKON 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON 2008 100000 POWER TRAIN
GMC YUKON 2008 120000 EXTERIOR LIGHTING
GMC YUKON DENALI 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON DENALI XL 2008 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON HYBRID 2008 100000 POWER TRAIN
GMC YUKON HYBRID 2008 120000 EXTERIOR LIGHTING
GMC YUKON XL 2008 118000 ELECTRICAL SYSTEM:SOFTWARE

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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 (110604007C) 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.