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May 4, 2020 Service bulletin

This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or...

Chevrolet technical service bulletin 20NA043 for 2017-2018 Chevrolet Silverado 1500, 2017-2018 GMC Sierra 1500 and 2019-2020 Chevrolet Silverado 2500 and others.

Bulletin number
20NA043
Component
Engine and engine cooling
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 439 complaints in the engine category.

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