This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or...
Chevrolet technical service bulletin 20NA043 for 2017-2020 Chevrolet Silverado 1500, 2017-2020 GMC Sierra 1500 and 2018-2020 Chevrolet Silverado 2500 and others.
- Bulletin number
- 20NA043
- Component
- Engine
- Summary
- This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.
Owners of these vehicles have filed 1,764 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2017-2020 2017201820192020
- GMC Sierra 1500 2017-2020 2017201820192020
- Chevrolet Silverado 2500 2018-2020 201820192020
- GMC Sierra 2500 2018-2020 201820192020
- Chevrolet Silverado 3500 2018-2020 201820192020
- GMC Sierra 3500 2018-2020 201820192020
- GMC Sierra Denali 2018 2018
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