Circuit/System Verification
WARNING: This page is about a different car, the 2016 Chevrolet Trax and 2016 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
- Engine running for 10 s.
- Ignition ON, engine OFF, verify DTC U0400-U05FF is not set.
- If DTC U0400-U05FF is set along with other DTCs set or symptoms
Diagnose all other DTCs or symptoms first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If DTC U0400-U05FF is set without other DTCs set or symptoms
- Program the device specified by the DTC descriptor.
- Verify the DTC does not set.
- If the DTC sets, replace the appropriate device.
- If the DTC does not set
- All OK.
- If DTC U0400-U05FF is not set
- If DTC U0400-U05FF is set along with other DTCs set or symptoms
- All OK