Reading and Clearing Diagnostic Trouble Codes

Clear Secured High Voltage DTCs

The Clear Secured High Voltage DTCs procedure must be completed when a latched DTC is set, a vehicle crash event has been detected, or when the Starter/Generator Control Module has been replaced.

Clearing DTCs After a Vehicle Crash Event

Note: Before clearing any DTCs after a vehicle crash event, inspect and ensure the high voltage system integrity has not been compromised during the crash event. Refer to High Voltage System Inspection High Voltage System Inspection.

1. Connect a scan tool to the vehicle.

2. Ignition ON, select Clear Secured High Voltage DTCs in the Hybrid Powertrain Control Module Control Functions list.

3. Select Hybrid Powertrain Control Module.

Note: A command reject may appear on the scan tool after the first Clear Secured High Voltage DTCs request. If this occurs, ignore this command reject and continue to the next step.

4. Follow the scan tool directions to complete the procedure.

5. When complete, exit out of the Clear Secured High Voltage DTCs menu.

6. Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down.

7. Ignition ON, select Clear Secured High Voltage DTCs in the Hybrid Powertrain Control Module Control Functions list.

8. Select Battery Energy Control Module.

9. Follow the scan tool directions to complete the procedure.

10. When complete, exit out of the Clear Secured High Voltage DTCs menu.

11. Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down.

12. Ignition ON, select Clear Secured High Voltage DTCs in the Hybrid Powertrain Control Module Control Functions list.

13. Select Hybrid Powertrain Control Module.

Note: A command reject may appear on the scan tool after the first Clear Secured High Voltage DTCs request. If this occurs, ignore this command reject and continue to the next step.

14. Follow the scan tool directions to complete the procedure.

15. When complete, exit out of the Clear Secured High Voltage DTCs menu.

16. Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down.

17. Ignition ON, clear any DTCs that may be set.

Clearing High Voltage DTCs

1. Connect a scan tool to the vehicle.

2. Ignition ON, select Clear Secured High Voltage DTCs in the Hybrid Powertrain Control Module Control Functions list.

3. Select Battery Energy Control Module.

4. Follow the scan tool directions to complete the procedure.

5. Clear any DTCs that may be set.