Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition - On / Vehicle - In Service Mode
- Verify DTC P0335, P0336, P0651 is not set.
- If any of the DTCs are set
- Go to next step : If none of the DTCs are set
- 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
Test or replace the component : B26 Crankshaft Position Sensor
- Go to next step : If the DTC is not set
- If the DTC sets
- All OK.