21-027-14

Flash: MIL Illumination For P0733, P061B, P1DB8 This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) with new software. The following Transmission Control Module (TCM) calibration improvements are available. ? P0733 Gear 3 Shift Incorrect Ratio ? P061B Internal Control Module Torque Calculation Performance ? P1DB8 Due to erroneous DTC ? Improved downshift response in Adaptive Cruise Control (ACC) operation when there is a driver override.