This service bulletin provides service information for a DEF pump that is unable to build pressure after...
Chevrolet technical service bulletin 20NA110 for 2017-2022 Chevrolet Silverado 1500, 2021-2022 Chevrolet Tahoe and 2018-2019, 2022 Chevrolet Equinox and others.
- Bulletin number
- 20NA110
- Component
- Fuel system, diesel: delivery: fuel pump
- Summary
- This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement.
Vehicles covered
- Chevrolet Silverado 1500 2017-2022 201720182019202020212022
- Chevrolet Tahoe 2021-2022 20212022
- Chevrolet Equinox 2018-2019, 2022 201820192022
- GMC Sierra 1500 2020-2022 202020212022
- Chevrolet Suburban 2021-2022 20212022
- GMC Yukon 2021-2022 20212022
- Chevrolet Silverado 2500 2017-2019, 2021-2022 20172018201920212022
- Chevrolet Cruze 2017-2019 201720182019
- Chevrolet Colorado 2016-2022 2016201720182019202020212022
- GMC Terrain 2017-2020 2017201820192020
- GMC Yukon XL 2021-2022 20212022
- GMC Sierra 2500 2017-2022 201720182019202020212022
- Cadillac Escalade 2022 2022
- GMC Canyon 2016-2022 2016201720182019202020212022
- Chevrolet Express 2017-2021 20172018201920202021
- GMC Sierra 3500 2020-2022 202020212022
- Cadillac Escalade ESV 2021-2022 20212022
- GMC Savana 2017-2022 201720182019202020212022
- GMC Sierra Denali 2017-2019 201720182019
- Cadillac Escalade Na 2021 2021
- Chevrolet 3500 2019-2022 2019202020212022
- Chevrolet 5500HD 2020-2021 20202021
- Chevrolet Silverado 4500 2019-2022 2019202020212022
- Chevrolet Silverado 6500 2021 2021
- Chevrolet 6500 2019 2019
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