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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Displays And Gauges) >> Repair Instructions >> Ambient Air Temperature Calculation Reset (with L5P only) >> When to Perform the Procedure

When to Perform the Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

Failure to perform this procedure may result in poor system performance, DTCs being set, or customer dissatisfaction. Not all ECMs have the Ambient Air Temperature Calculation Reset function available in the scan tool. If not present in the scan tool, a reset procedure in not necessary.

Perform this procedure when the following component has been serviced: B9 Ambient Air Temperature Sensoror K20 Engine Control Moduletor Battery - Replaced

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