21-030-24

"Flash: Transmission Control Module (TCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):**
• P0810-00 - Clutch Position Control Error.
• P16F0-00 - SPI Comm Hardware Fault. Customers may also comment on one or more of the following:
• K0 Adaptation routine runs when vehicle stationary and EV Mode.
• Vehicle loses propulsion capability.
• Service transmission warning indicator is on. NOTE: Require key cycle to recover.
• Shifts rough occasionally when coming down to a stop.
• Shifts rough occasionally when accelerating.
• Shifts rough when transitioning from EV to Hybrid operation on low SoC.
• Shifts rough when engines starts.
• On part throttle accelerations with little to no battery available the transition from battery power to engine on is harsh and abrupt.
• The engine oil life on dashboard drops down too fast when the engine oil dilution reaches high level without the ability to recover. **This bulletin involves reprogramming the TCM with the latest available software.** NOTE: **Please be sure that the 04B recall is completed prior to performing this TSB. This TCM software update is covered by the 04B recall if still incomplete.**"