TSB: CADILLAC ESCALADE, SIERRA 1500, SILVERADO 1500, TAHOE, YUKON (2009–2013)

Bulletin PIT4539T — April 6, 2016

Bulletin Details

Bulletin IDPIT4539T
ManufacturerCADILLAC
ModelsESCALADE, SIERRA 1500, SILVERADO 1500, TAHOE, YUKON
Model Years2009–2013
Date IssuedApril 6, 2016
Date Added to NHTSANovember 3, 2016
ComponentPOWER TRAIN
Vehicles Affected50 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

THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION ON THE DRIVE MOTOR GENERATOR CONTROL MODULE PART RESTRICTION. DEALER WILL NEED TO CALL GM TECHNICAL ASSISTANCE CENTER FOR FURTHER INSTRUCTIONS.

Affected Vehicles

MakeModelYearComponent
CADILLAC ESCALADE 2013 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2013 100000 POWER TRAIN
GMC SIERRA 1500 2013 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2013 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2013 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2013 100000 POWER TRAIN
CHEVROLET TAHOE 2013 100000 POWER TRAIN
CHEVROLET TAHOE 2013 110000 ELECTRICAL SYSTEM
GMC YUKON 2013 100000 POWER TRAIN
GMC YUKON 2013 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2012 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2012 100000 POWER TRAIN
GMC SIERRA 1500 2012 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2012 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2012 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2012 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2012 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2012 100000 POWER TRAIN
GMC YUKON 2012 110000 ELECTRICAL SYSTEM
GMC YUKON 2012 100000 POWER TRAIN
CADILLAC ESCALADE 2011 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2011 100000 POWER TRAIN
GMC SIERRA 1500 2011 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2011 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2011 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2011 100000 POWER TRAIN
CHEVROLET TAHOE 2011 100000 POWER TRAIN
CHEVROLET TAHOE 2011 110000 ELECTRICAL SYSTEM
GMC YUKON 2011 100000 POWER TRAIN
GMC YUKON 2011 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2010 100000 POWER TRAIN
CADILLAC ESCALADE 2010 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2010 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2010 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2010 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2010 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2010 100000 POWER TRAIN
CHEVROLET TAHOE 2010 110000 ELECTRICAL SYSTEM
GMC YUKON 2010 100000 POWER TRAIN
GMC YUKON 2010 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2009 100000 POWER TRAIN
CADILLAC ESCALADE 2009 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2009 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2009 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2009 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2009 100000 POWER TRAIN
CHEVROLET TAHOE 2009 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2009 100000 POWER TRAIN
GMC YUKON 2009 110000 ELECTRICAL SYSTEM
GMC YUKON 2009 100000 POWER TRAIN

Related CADILLAC Recalls

CampaignModelYearComponentSummary
ESCALADE 2026 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER ... General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cad...
OPTIQ 2026 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER ... General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cad...
CT5 2026 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER ... General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cad...
ESCALADE IQ 2026 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 (PIT4539T) 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.