DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual Section 06 revised release October 2021
However, many secondary functions are lost. In
this case, the following directives must be
followed.
• Never connect a battery charger when the
ignition is at the ON position on a vehicle with
a DL0 (BBUS MUX) defective or certain
functions will start up by themselves,
• Disconnect the charger before starting the
vehicle, if not the default functions will not
activate,
• If the default mode does not activate, try to
turn the ignition OFF while ensuring that no
charger is connected and then restart the
vehicle.
5.3.1 Available Functions
• Startup: Turn on the ignition in the driver's
area and rear start the vehicle from the
engine compartment,
• Headlamps: Low beams only,
• Stoplights: 2 upper stoplights + high-mounted
stoplight are functional,
• HVAC: Defroster fixed at medium speed.