, GROUP 54C, Troubleshooting , GROUP 54D, Troubleshooting or GROUP 54E, Troubleshooting .| If the tailgate cannot be opened by operating the tailgate lock release handle when the tailgate is unlocked with the vehicle stationary, refer to GROUP 54B, Troubleshooting , GROUP 54C, Troubleshooting , GROUP 54D, Troubleshooting or GROUP 54E, Troubleshooting . |