Cadillac Escalade 2014–2021 — technical service bulletin
Bulletin 19NA136 · NHTSA communication 10187383 · issued Dec 1, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2021
model years
60
vehicle entries
Official summary
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
Vehicles covered
- 2015 Cadillac Escalade
- 2016 Cadillac Escalade
- 2017 Cadillac Escalade
- 2018 Cadillac Escalade
- 2019 Cadillac Escalade
- 2015 Cadillac Escalade Esv
- 2016 Cadillac Escalade Esv
- 2017 Cadillac Escalade Esv
- 2018 Cadillac Escalade Esv
- 2019 Cadillac Escalade Esv
- 2015 Chevrolet Colorado
- 2016 Chevrolet Colorado
- 2017 Chevrolet Colorado
- 2018 Chevrolet Colorado
- 2020 Chevrolet Colorado
- 2021 Chevrolet Colorado
- 2014 Chevrolet Silverado 1500
- 2017 Chevrolet Silverado 1500
- 2018 Chevrolet Silverado 1500
- 2019 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 1500
- 2021 Chevrolet Silverado 1500
- 2014 Chevrolet Silverado 2500
- 2015 Chevrolet Silverado 2500
- 2016 Chevrolet Silverado 2500
- 2017 Chevrolet Silverado 2500
- 2018 Chevrolet Silverado 2500
- 2019 Chevrolet Silverado 2500
- 2020 Chevrolet Silverado 2500
- 2021 Chevrolet Silverado 2500
- 2019 Chevrolet Silverado 4500
- 2015 Chevrolet Suburban
- 2016 Chevrolet Suburban
- 2017 Chevrolet Suburban
- 2018 Chevrolet Suburban
- 2019 Chevrolet Suburban
- 2015 Chevrolet Tahoe
- 2016 Chevrolet Tahoe
- 2017 Chevrolet Tahoe
- 2018 Chevrolet Tahoe
- 2019 Chevrolet Tahoe
- 2015 GMC Canyon
- 2016 GMC Canyon
- 2017 GMC Canyon
- 2018 GMC Canyon
- 2019 GMC Canyon
- 2020 GMC Canyon
- 2021 GMC Canyon
- 2014 GMC Sierra 1500
- 2020 GMC Sierra 1500
- 2021 GMC Sierra 1500
- 2014 GMC Sierra 2500
- 2015 GMC Sierra 2500
- 2016 GMC Sierra 2500
- 2017 GMC Sierra 2500
- 2018 GMC Sierra 2500
- 2019 GMC Sierra 2500
- 2020 GMC Sierra 2500
- 2021 GMC Sierra 2500
- 2015 GMC Sierra Denali
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.