With Scan Tool
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.
- Ignition - On / Vehicle - In Service Mode
- Select: Module Diagnostics
- Select: Engine Control Module
- Select: Configuration/Reset Functions
- Select: Reset Functions
- Select: Exhaust Aftertreatment Fuel Injector Reset
- Follow the instructions on the scan tool. - The procedure will complete within 10 s
Verify the scan tool procedure was successful.
- If the procedure was not successful
- Verify the following conditions do not exist:
- Battery Voltage - Low
- DTC Present
- If a condition exists - Repair or replace as necessary. Repeat step 1
- If no condition exists - Repeat step 1
- Go to next step: If the procedure was successful
- All OK.