18-069-24

"Flash: Powertrain Control Module (PCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Code (DTC):
• **P2066 - Fuel Level Sensor 2 Performance.**
• C053D - Brake Pressure Sensor 1 Performance. **Customers may experience one or more of the following:
• When the driver attempts to override the Electric Park Brake (EPB) while it remains engaged due to an unbuckled seatbelt in Drive or Reverse, the high torque request with the park brake engaged may lead to a damaged or broken Rear Drive Unit (RDU).
• MIL illuminates when fueling the vehicle while the engine is running.
• Lower fuel economy reported by the Instrument Panel Cluster (IPC).
• Rough engine idle during warm up.
• Engine shuts off while idling in park.** This bulletin involves reprogramming the PCM with the latest available software. "