Circuit/System Verification
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
- Engine Running.
- Verify DTC P0406 is not set.
- If the DTC is set
Refer to:DTC P0405 or P0406
- Go to next step: If the DTC is not set
- If the DTC is set
- Verify the scan tool EGR Cooler Temperature Sensor parameter is between -39° to +999°C (-38° to +1, 830°F) and changes with engine run time.
- If not within the specified range or does not change
Refer to Circuit/System Testing.
- Go to next step: If within the specified range and changes
- If not within the specified range or does not change
- Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not set. 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 does not set
- If the DTC sets
- All OK.