TSB: CADILLAC AVALANCHE, ESCALADE, SIERRA 1500, SIERRA 3500, SILVERADO 1500, TAHOE, YUKON (2007–2013)

Bulletin 120232001A — February 1, 2013

Bulletin Details

Bulletin ID120232001A
ManufacturerCADILLAC
ModelsAVALANCHE, ESCALADE, SIERRA 1500, SIERRA 3500, SILVERADO 1500, TAHOE, YUKON
Model Years2007–2013
Date IssuedFebruary 1, 2013
Date Added to NHTSADecember 4, 2023
ComponentSTEERING
Vehicles Affected210 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

Hydraulic Power Steering Leak at Hose Connection to Steering Rack

Affected Vehicles

MakeModelYearComponent
CHEVROLET AVALANCHE 2013 010000 STEERING
CHEVROLET AVALANCHE 2013 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET AVALANCHE 2013 070000 FUEL SYSTEM, GASOLINE
CHEVROLET AVALANCHE 2013 100000 POWER TRAIN
CHEVROLET AVALANCHE 2013 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CADILLAC ESCALADE 2013 010000 STEERING
CADILLAC ESCALADE 2013 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CADILLAC ESCALADE 2013 070000 FUEL SYSTEM, GASOLINE
CADILLAC ESCALADE 2013 100000 POWER TRAIN
CADILLAC ESCALADE 2013 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
GMC SIERRA 1500 2013 010000 STEERING
GMC SIERRA 1500 2013 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
GMC SIERRA 1500 2013 070000 FUEL SYSTEM, GASOLINE
GMC SIERRA 1500 2013 100000 POWER TRAIN
GMC SIERRA 1500 2013 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET SILVERADO 1500 2013 010000 STEERING
CHEVROLET SILVERADO 1500 2013 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET SILVERADO 1500 2013 070000 FUEL SYSTEM, GASOLINE
CHEVROLET SILVERADO 1500 2013 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2013 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET TAHOE 2013 010000 STEERING
CHEVROLET TAHOE 2013 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET TAHOE 2013 070000 FUEL SYSTEM, GASOLINE
CHEVROLET TAHOE 2013 100000 POWER TRAIN
CHEVROLET TAHOE 2013 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
GMC YUKON 2013 010000 STEERING
GMC YUKON 2013 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
GMC YUKON 2013 070000 FUEL SYSTEM, GASOLINE
GMC YUKON 2013 100000 POWER TRAIN
GMC YUKON 2013 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET AVALANCHE 2012 010000 STEERING
CHEVROLET AVALANCHE 2012 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET AVALANCHE 2012 070000 FUEL SYSTEM, GASOLINE
CHEVROLET AVALANCHE 2012 100000 POWER TRAIN
CHEVROLET AVALANCHE 2012 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CADILLAC ESCALADE 2012 010000 STEERING
CADILLAC ESCALADE 2012 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CADILLAC ESCALADE 2012 070000 FUEL SYSTEM, GASOLINE
CADILLAC ESCALADE 2012 100000 POWER TRAIN
CADILLAC ESCALADE 2012 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
GMC SIERRA 1500 2012 010000 STEERING
GMC SIERRA 1500 2012 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
GMC SIERRA 1500 2012 070000 FUEL SYSTEM, GASOLINE
GMC SIERRA 1500 2012 100000 POWER TRAIN
GMC SIERRA 1500 2012 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET SILVERADO 1500 2012 010000 STEERING
CHEVROLET SILVERADO 1500 2012 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET SILVERADO 1500 2012 070000 FUEL SYSTEM, GASOLINE
CHEVROLET SILVERADO 1500 2012 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2012 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET TAHOE 2012 010000 STEERING
CHEVROLET TAHOE 2012 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET TAHOE 2012 070000 FUEL SYSTEM, GASOLINE
CHEVROLET TAHOE 2012 100000 POWER TRAIN
CHEVROLET TAHOE 2012 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
GMC YUKON 2012 010000 STEERING
GMC YUKON 2012 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
GMC YUKON 2012 070000 FUEL SYSTEM, GASOLINE
GMC YUKON 2012 100000 POWER TRAIN
GMC YUKON 2012 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET AVALANCHE 2011 010000 STEERING
CHEVROLET AVALANCHE 2011 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET AVALANCHE 2011 070000 FUEL SYSTEM, GASOLINE
CHEVROLET AVALANCHE 2011 100000 POWER TRAIN
CHEVROLET AVALANCHE 2011 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CADILLAC ESCALADE 2011 010000 STEERING
CADILLAC ESCALADE 2011 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CADILLAC ESCALADE 2011 070000 FUEL SYSTEM, GASOLINE
CADILLAC ESCALADE 2011 100000 POWER TRAIN
CADILLAC ESCALADE 2011 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
GMC SIERRA 3500 2011 010000 STEERING
GMC SIERRA 3500 2011 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
GMC SIERRA 3500 2011 070000 FUEL SYSTEM, GASOLINE
GMC SIERRA 3500 2011 100000 POWER TRAIN
GMC SIERRA 3500 2011 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET SILVERADO 1500 2011 010000 STEERING
CHEVROLET SILVERADO 1500 2011 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET SILVERADO 1500 2011 070000 FUEL SYSTEM, GASOLINE
CHEVROLET SILVERADO 1500 2011 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2011 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET TAHOE 2011 010000 STEERING
CHEVROLET TAHOE 2011 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET TAHOE 2011 070000 FUEL SYSTEM, GASOLINE
CHEVROLET TAHOE 2011 100000 POWER TRAIN
CHEVROLET TAHOE 2011 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
GMC YUKON 2011 010000 STEERING
GMC YUKON 2011 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
GMC YUKON 2011 070000 FUEL SYSTEM, GASOLINE
GMC YUKON 2011 100000 POWER TRAIN
GMC YUKON 2011 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET AVALANCHE 2010 010000 STEERING
CHEVROLET AVALANCHE 2010 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET AVALANCHE 2010 070000 FUEL SYSTEM, GASOLINE
CHEVROLET AVALANCHE 2010 100000 POWER TRAIN
CHEVROLET AVALANCHE 2010 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CADILLAC ESCALADE 2010 010000 STEERING
CADILLAC ESCALADE 2010 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CADILLAC ESCALADE 2010 070000 FUEL SYSTEM, GASOLINE
CADILLAC ESCALADE 2010 100000 POWER TRAIN
CADILLAC ESCALADE 2010 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
GMC SIERRA 1500 2010 010000 STEERING
GMC SIERRA 1500 2010 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
GMC SIERRA 1500 2010 070000 FUEL SYSTEM, GASOLINE
GMC SIERRA 1500 2010 100000 POWER TRAIN
GMC SIERRA 1500 2010 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET SILVERADO 1500 2010 010000 STEERING
CHEVROLET SILVERADO 1500 2010 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET SILVERADO 1500 2010 070000 FUEL SYSTEM, GASOLINE
CHEVROLET SILVERADO 1500 2010 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2010 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET TAHOE 2010 010000 STEERING
CHEVROLET TAHOE 2010 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET TAHOE 2010 070000 FUEL SYSTEM, GASOLINE
CHEVROLET TAHOE 2010 100000 POWER TRAIN
CHEVROLET TAHOE 2010 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
GMC YUKON 2010 010000 STEERING
GMC YUKON 2010 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
GMC YUKON 2010 070000 FUEL SYSTEM, GASOLINE
GMC YUKON 2010 100000 POWER TRAIN
GMC YUKON 2010 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET AVALANCHE 2009 010000 STEERING
CHEVROLET AVALANCHE 2009 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET AVALANCHE 2009 070000 FUEL SYSTEM, GASOLINE
CHEVROLET AVALANCHE 2009 100000 POWER TRAIN
CHEVROLET AVALANCHE 2009 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CADILLAC ESCALADE 2009 010000 STEERING
CADILLAC ESCALADE 2009 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CADILLAC ESCALADE 2009 070000 FUEL SYSTEM, GASOLINE
CADILLAC ESCALADE 2009 100000 POWER TRAIN
CADILLAC ESCALADE 2009 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
GMC SIERRA 1500 2009 010000 STEERING
GMC SIERRA 1500 2009 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
GMC SIERRA 1500 2009 070000 FUEL SYSTEM, GASOLINE
GMC SIERRA 1500 2009 100000 POWER TRAIN
GMC SIERRA 1500 2009 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET SILVERADO 1500 2009 010000 STEERING
CHEVROLET SILVERADO 1500 2009 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET SILVERADO 1500 2009 070000 FUEL SYSTEM, GASOLINE
CHEVROLET SILVERADO 1500 2009 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2009 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET TAHOE 2009 010000 STEERING
CHEVROLET TAHOE 2009 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET TAHOE 2009 070000 FUEL SYSTEM, GASOLINE
CHEVROLET TAHOE 2009 100000 POWER TRAIN
CHEVROLET TAHOE 2009 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
GMC YUKON 2009 010000 STEERING
GMC YUKON 2009 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
GMC YUKON 2009 070000 FUEL SYSTEM, GASOLINE
GMC YUKON 2009 100000 POWER TRAIN
GMC YUKON 2009 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET AVALANCHE 2008 010000 STEERING
CHEVROLET AVALANCHE 2008 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET AVALANCHE 2008 070000 FUEL SYSTEM, GASOLINE
CHEVROLET AVALANCHE 2008 100000 POWER TRAIN
CHEVROLET AVALANCHE 2008 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CADILLAC ESCALADE 2008 010000 STEERING
CADILLAC ESCALADE 2008 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CADILLAC ESCALADE 2008 070000 FUEL SYSTEM, GASOLINE
CADILLAC ESCALADE 2008 100000 POWER TRAIN
CADILLAC ESCALADE 2008 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
GMC SIERRA 1500 2008 010000 STEERING
GMC SIERRA 1500 2008 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
GMC SIERRA 1500 2008 070000 FUEL SYSTEM, GASOLINE
GMC SIERRA 1500 2008 100000 POWER TRAIN
GMC SIERRA 1500 2008 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET SILVERADO 1500 2008 010000 STEERING
CHEVROLET SILVERADO 1500 2008 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET SILVERADO 1500 2008 070000 FUEL SYSTEM, GASOLINE
CHEVROLET SILVERADO 1500 2008 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2008 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET TAHOE 2008 010000 STEERING
CHEVROLET TAHOE 2008 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET TAHOE 2008 070000 FUEL SYSTEM, GASOLINE
CHEVROLET TAHOE 2008 100000 POWER TRAIN
CHEVROLET TAHOE 2008 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
GMC YUKON 2008 010000 STEERING
GMC YUKON 2008 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
GMC YUKON 2008 070000 FUEL SYSTEM, GASOLINE
GMC YUKON 2008 100000 POWER TRAIN
GMC YUKON 2008 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET AVALANCHE 2007 010000 STEERING
CHEVROLET AVALANCHE 2007 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET AVALANCHE 2007 070000 FUEL SYSTEM, GASOLINE
CHEVROLET AVALANCHE 2007 100000 POWER TRAIN
CHEVROLET AVALANCHE 2007 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CADILLAC ESCALADE 2007 010000 STEERING
CADILLAC ESCALADE 2007 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CADILLAC ESCALADE 2007 070000 FUEL SYSTEM, GASOLINE
CADILLAC ESCALADE 2007 100000 POWER TRAIN
CADILLAC ESCALADE 2007 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
GMC SIERRA 1500 2007 010000 STEERING
GMC SIERRA 1500 2007 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
GMC SIERRA 1500 2007 070000 FUEL SYSTEM, GASOLINE
GMC SIERRA 1500 2007 100000 POWER TRAIN
GMC SIERRA 1500 2007 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET SILVERADO 1500 2007 010000 STEERING
CHEVROLET SILVERADO 1500 2007 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET SILVERADO 1500 2007 070000 FUEL SYSTEM, GASOLINE
CHEVROLET SILVERADO 1500 2007 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2007 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
CHEVROLET TAHOE 2007 010000 STEERING
CHEVROLET TAHOE 2007 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
CHEVROLET TAHOE 2007 070000 FUEL SYSTEM, GASOLINE
CHEVROLET TAHOE 2007 100000 POWER TRAIN
CHEVROLET TAHOE 2007 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS
GMC YUKON 2007 010000 STEERING
GMC YUKON 2007 015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
GMC YUKON 2007 070000 FUEL SYSTEM, GASOLINE
GMC YUKON 2007 100000 POWER TRAIN
GMC YUKON 2007 105810 POWER TRAIN:DRIVELINE:HYDRAULIC:HOSES AND FITTINGS

Related CADILLAC Recalls

CampaignModelYearComponentSummary
ESCALADE ESV 2026 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER ... General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cad...
VISTIQ 2026 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER ... General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cad...
ESCALADE IQL 2026 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER ... General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cad...
OPTIQ 2025 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER ... General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cad...
LYRIQ 2026 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER ... General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cad...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized CADILLAC dealer. Bring this bulletin ID (120232001A) 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.