0808517

Flash: Radio Frequency Hub Module (RFHM) Enhancement This bulletin involves updating the RFHM software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following DTC has been set:B1053-64 - RFHM (Keyless Ignition Node (KIN) Communication) - Signal Plausibility Failure (Software has been updated to better address this DTC). In addition, customers may experience the following conditions:With the ignition in the run position and the engine not running, the vehicle may not turn itself off after 30 minutes. Tire pressure monitoring (TPM) light may illuminate when using the winter tires in winter mode functionality. (2015-2016 Only) After an engine start and the doors are closed, a message in the cluster may be displayed ?Key Not Detected? when the key is actually present. (2015-2016 Only) Only a message is displayed, the vehicle will start.