FLASH: Battery Electric Vehicle, Multiple System Enhancements
This bulletin involves updating the software in multiple modules, Vehicle Tracking Module
(VTM), Body Control Module (BCM), On-Board Charging Module (OBCM), Power Inverter
Module (PIM), Battery Pack Control Module (BPCM) and Electric Vehicle Control Unit
(EVCU) if required.
The customer may experience one or more of the following:
? The vehicle does not start charging when it?s plugged into the charging station.
? Intermittently the charge indicator will show it?s charging when it?s not charging.
? Intermittently the vehicle may have reduced performance.
Enhancement:
? Charging system enhancement during very cold weather.
? Increase of vehicle range in very cold weather.
? Improve Air Conditioning operation.
? Improvements to help reduce 12 volt battery drain when charging the vehicle with
incompatible charging station.
? Improvements to DTC diagnostics.
? Enhancements to the central door lock feature.
? Improvements to locate the vehicle, using the smartphone app.
? Increase cabin preconditioning time from 2 to 10 minutes.
? Update information that is displayed by the cluster.
? Enhancements to the high voltage charging system.
? Improves the accuracy of the vehicle estimated range.
? Improve the total Lifetime energy consumed information that is display on a
smartphone app.
False Malfunction Indicator Lamp (MIL) illumination:
? P1E25-00-Hybrid/Ev Battery Failure Level 2.
? P0AA4-00-Hybrid Battery Negative Contactor Circuit Stuck Closed.
? P0AA6-00-Hybrid Battery Voltage System Isolation Fault.
