Service brakes, hydraulic
- 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.
- Fix
- DEALERS WILL REPLACE THE BTCM, THE BALLSCREW ASSEMBLIES IN THE BRAKE PRESSURE MODULATOR VALVE, AND INSTALL NEW SOFTWARE.