Flash: BCM Diagnostic And System Improvements
This bulletin involves updating the Body Control Module (BCM) software.
Customer and or Technician may notice one of more of the following:
? A message may be displayed in the cluster ?Start/Stop Not Available?, this may have
started after the battery was disconnected. On Further inspection the Technician
may find DTC U0216 Lost Communication With Driver Door Switch.
? Intermittent No Start condition Without any DTCs (Vehicles with steering column
lock, only).
? U1220-87 - Lost Steering Lock Request Message - Missing Message.
? U1517-87 - Body Controller Secret Code - Missing Message.
? B2199-17 - Battery Voltage - Circuit Voltage Above Threshold, set in the BCM.
? Day Time Running Lamps (DRL) will not turn on until the vehicle speed is 2 MPH (3
KPH), (Manual Transmission only).
? Puddle Lamps will not turn off when the engine is started, (Manual Transmission
only).
NOTE: If battery system DTC P0562 Battery/System Voltage Low or P0563
Battery/System Voltage High are set, normal charging system diagnostics
needs to be performed.
