Flash: Radio Frequency Hub Module (RFHM) Enhancements This bulletin involves reprogramming the RFHM with...

Bulletin number

08-064-21

Component

Service brakes

Summary

Flash: Radio Frequency Hub Module (RFHM) Enhancements This bulletin involves reprogramming the RFHM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (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, the customer may notice the following condition(s): Service Passive Entry Light" on cluster and MIL code B1053-64. Vehicle will not shut off with DTC B1053-64. Vehicle may not start with DTC B1053-64. With the ignition in the run position and the engine not running, the vehicle may not turn itself off after 30 minutes. Doors may not unlock when using the Remote Keyless Entry (RKE) Fob.(2015 only) 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.

Owners of these vehicles have filed 105 complaints in the brakes category.