Repair Verification
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.
- Install any components that have been removed or replaced during diagnosis.
- Perform any adjustments, programming or setup procedures that are required when a component is removed or replaced.
- Clear the DTCs with a scan tool.
- Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down.
- Ignition ON.
- Verify the Throttle Position Sensors 1 and 2 Agree/Disagree parameter displays Agree while performing the Throttle Sweep Test with a scan tool.
- If Agree is not displayed
Test or replace the Q38 Throttle Body Assembly.
- Go to next step: If Agree is displayed
- If Agree is not displayed
- If the repair was related to a DTC, duplicate the Conditions for Running the DTC and use the Freeze Frame/Failure Records, if applicable, in order to verify the DTC does not set.
- If DTC sets
Refer to Diagnostic Trouble Code (DTC) List - Vehicle for further diagnosis.
- Go to next step: If DTC does not set
- If DTC sets
- All OK