United States 00V369000
General Motors, LLC
The problem
VEHICLE DESCRIPTION: ELECTRIC VEHICLES. THESE VEHICLES WERE PRODUCED WITH WHEEL SPEED CIRCUITRY IN THE BRAKE TORQUE CONTROL MODULE (BTCM) WHICH CAN CEASE TO OPERATE PROPERLY.
Risk
IF THIS OCCURS, INVOLVED VEHICLES WILL EXHIBIT ONE OR MORE OF THE FOLLOWING: A LOSS OF FRONT BRAKE ASSIST, A DISABLED REAR BRAKE SYSTEM, A DISABLED ANTI-LOCK BRAKE SYSTEM, AND/OR A DISABLED REGENERATIVE BRAKE SYSTEM. THIS COULD INCREASE BRAKE PEDAL TRAVEL AND VEHICLE STOPPING DISTANCE.
What owners should do
DEALERS WILL REPLACE THE BTCM, THE BALLSCREW ASSEMBLIES IN THE BRAKE PRESSURE MODULATOR VALVE, AND INSTALL NEW SOFTWARE.
Units 455