Permanent limp-in mode

When the TCM determines there is a non-recoverable condition present that will not allow proper transmission operation, it will place the transmission in permanent limp-in mode. When the condition occurs the TCM will turn off all solenoids as well as the solenoid supply output circuit. If this occurs while the vehicle is moving, the transmission will remain in the current gear until the ignition is turned off or shifter is placed in the "P" position. Once the shifter has been placed in "P" the Transmission will only allow 2nd gear operation. If the problem occurs while the vehicle is not moving the transmission will only allow 2nd gear operation.