Circuit/System 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.
- Ignition - On / Vehicle - In Service Mode
- Verify DTC P003A, P0045, P0047, P0048, PP16FA, P16FC, 16B0, P16B1, P16B2, P169E, P169F, P2564, P2565 is not set.
- If the DTC is set
- Go to next step: If the DTC is not set
- Verify the scan tool parameter: Turbocharger Vane Position Sensor = Greater than 80%
- If not in the specified range
Refer to: Circuit/System Testing
- Go to next step: If in the specified range
- If not in the specified range
- Engine - Idling
- Verify the scan tool parameter: Turbocharger Vane Position Sensor = 80 - 100%
- If not in the specified range
Refer to: Circuit/System Testing
- Go to next step: If in the specified range
- If not in the specified range
- Perform the scan tool control function: Turbocharger Vane Position - From 20 to 80% and back to 20%.
Verify the difference between the following parameters is less than 15%:
- Desired Turbocharger Vane Position
- Turbocharger Vane Position Sensor
- If the difference is greater than 15%
Refer to: Circuit/System Testing
- Go to next step: If the difference is less than 15%
- Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
Verify the DTC does not set.
- If the DTC sets
Refer to: Circuit/System Testing
- Go to next step: If the DTC is not set
- If the DTC sets
- All OK.