TSB: CADILLAC ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2014–2017)
Bulletin 17-NA-335 — April 15, 2021
Bulletin Details
| Bulletin ID | 17-NA-335 |
| Manufacturer | CADILLAC |
| Models | ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL |
| Model Years | 2014–2017 |
| Date Issued | April 15, 2021 |
| Date Added to NHTSA | April 15, 2021 |
| Component | ENGINE (PWS) |
| Vehicles Affected | 84 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
Malfunction Indicator Lamp Illuminated (MIL) - DTC P2635 and/or P018B Set In High Ambient Temperatures With Hesitation, Surging and Stalling Condition Some customers may comment that the Malfunction Indicator Light (MIL) is illuminated.
Affected Vehicles
| Make | Model | Year | Component |
|---|---|---|---|
| GMC | SIERRA 1500 | 2017 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | SIERRA 1500 | 2017 | 060000 ENGINE (PWS) |
| GMC | SIERRA 2500 | 2017 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | SIERRA 2500 | 2017 | 060000 ENGINE (PWS) |
| GMC | SIERRA 3500 | 2017 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | SIERRA 3500 | 2017 | 060000 ENGINE (PWS) |
| GMC | SIERRA DENALI | 2017 | 060000 ENGINE (PWS) |
| GMC | SIERRA DENALI | 2017 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SILVERADO 1500 | 2017 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SILVERADO 1500 | 2017 | 060000 ENGINE (PWS) |
| CHEVROLET | SILVERADO 2500 | 2017 | 060000 ENGINE (PWS) |
| CHEVROLET | SILVERADO 2500 | 2017 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SILVERADO 3500 | 2017 | 060000 ENGINE (PWS) |
| CHEVROLET | SILVERADO 3500 | 2017 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CADILLAC | ESCALADE | 2016 | 060000 ENGINE (PWS) |
| CADILLAC | ESCALADE | 2016 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CADILLAC | ESCALADE ESV | 2016 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CADILLAC | ESCALADE ESV | 2016 | 060000 ENGINE (PWS) |
| GMC | SIERRA 1500 | 2016 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | SIERRA 1500 | 2016 | 060000 ENGINE (PWS) |
| GMC | SIERRA 2500 | 2016 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | SIERRA 2500 | 2016 | 060000 ENGINE (PWS) |
| GMC | SIERRA 3500 | 2016 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | SIERRA 3500 | 2016 | 060000 ENGINE (PWS) |
| GMC | SIERRA DENALI | 2016 | 060000 ENGINE (PWS) |
| GMC | SIERRA DENALI | 2016 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SILVERADO 1500 | 2016 | 060000 ENGINE (PWS) |
| CHEVROLET | SILVERADO 1500 | 2016 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SILVERADO 2500 | 2016 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SILVERADO 2500 | 2016 | 060000 ENGINE (PWS) |
| CHEVROLET | SILVERADO 3500 | 2016 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SILVERADO 3500 | 2016 | 060000 ENGINE (PWS) |
| CHEVROLET | SUBURBAN | 2016 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SUBURBAN | 2016 | 060000 ENGINE (PWS) |
| GMC | YUKON | 2016 | 060000 ENGINE (PWS) |
| GMC | YUKON | 2016 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | YUKON DENALI | 2016 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | YUKON DENALI | 2016 | 060000 ENGINE (PWS) |
| GMC | YUKON DENALI XL | 2016 | 060000 ENGINE (PWS) |
| GMC | YUKON DENALI XL | 2016 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | YUKON XL | 2016 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | YUKON XL | 2016 | 060000 ENGINE (PWS) |
| CADILLAC | ESCALADE | 2015 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CADILLAC | ESCALADE | 2015 | 060000 ENGINE (PWS) |
| CADILLAC | ESCALADE ESV | 2015 | 060000 ENGINE (PWS) |
| CADILLAC | ESCALADE ESV | 2015 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | SIERRA 1500 | 2015 | 060000 ENGINE (PWS) |
| GMC | SIERRA 1500 | 2015 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | SIERRA 2500 | 2015 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | SIERRA 2500 | 2015 | 060000 ENGINE (PWS) |
| GMC | SIERRA 3500 | 2015 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | SIERRA 3500 | 2015 | 060000 ENGINE (PWS) |
| GMC | SIERRA DENALI | 2015 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | SIERRA DENALI | 2015 | 060000 ENGINE (PWS) |
| CHEVROLET | SILVERADO 1500 | 2015 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SILVERADO 1500 | 2015 | 060000 ENGINE (PWS) |
| CHEVROLET | SILVERADO 2500 | 2015 | 060000 ENGINE (PWS) |
| CHEVROLET | SILVERADO 2500 | 2015 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SILVERADO 3500 | 2015 | 060000 ENGINE (PWS) |
| CHEVROLET | SILVERADO 3500 | 2015 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SUBURBAN | 2015 | 060000 ENGINE (PWS) |
| CHEVROLET | SUBURBAN | 2015 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | YUKON | 2015 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | YUKON | 2015 | 060000 ENGINE (PWS) |
| GMC | YUKON DENALI | 2015 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | YUKON DENALI | 2015 | 060000 ENGINE (PWS) |
| GMC | YUKON DENALI XL | 2015 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | YUKON DENALI XL | 2015 | 060000 ENGINE (PWS) |
| GMC | YUKON XL | 2015 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | YUKON XL | 2015 | 060000 ENGINE (PWS) |
| GMC | SIERRA 1500 | 2014 | 060000 ENGINE (PWS) |
| GMC | SIERRA 1500 | 2014 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | SIERRA 2500 | 2014 | 060000 ENGINE (PWS) |
| GMC | SIERRA 2500 | 2014 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | SIERRA 3500 | 2014 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| GMC | SIERRA 3500 | 2014 | 060000 ENGINE (PWS) |
| GMC | SIERRA DENALI | 2014 | 060000 ENGINE (PWS) |
| GMC | SIERRA DENALI | 2014 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SILVERADO 1500 | 2014 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SILVERADO 1500 | 2014 | 060000 ENGINE (PWS) |
| CHEVROLET | SILVERADO 2500 | 2014 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SILVERADO 2500 | 2014 | 060000 ENGINE (PWS) |
| CHEVROLET | SILVERADO 3500 | 2014 | 072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS |
| CHEVROLET | SILVERADO 3500 | 2014 | 060000 ENGINE (PWS) |
Related CADILLAC Recalls
What Should You Do?
If your vehicle is affected by this TSB, contact your authorized CADILLAC dealer. Bring this bulletin ID (17-NA-335) 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.