VCLEFT-A163
VCLEFT_a163_windowEncoderStallR
What does VCLEFT-A163 mean?
Tesla alert code in the Vehicle Controller Left (VCLEFT) module. Window encoder ticks not seen while the rear window motor is being driven: This suggests something is disconnected, shorted, or the controller voltage supply for the encoders is < 9V Window motor is being driven and no encoder feedback is seen within 500 ms Window motor is successfully driven and encoder feedback is seen Window motor is possibly disconnected or shorted Battery Backed Siren not detected on LIN bus Ensure the Battery Backed Siren is connected properly Horn will sound instead of siren during an alarm event
Original Description
Window encoder ticks not seen while the rear window motor is being driven: This suggests something is disconnected, shorted, or the controller voltage supply for the encoders is < 9V Window motor is being driven and no encoder feedback is seen within 500 ms Window motor is successfully driven and encoder feedback is seen Window motor is possibly disconnected or shorted Battery Backed Siren not detected on LIN bus Ensure the Battery Backed Siren is connected properly Horn will sound instead of siren during an alarm event
Severity Notes
VCLEFT-A163 is an Alert in the Vehicle Controller Left system. It is generally safe to continue driving, but have it checked at your next scheduled service.