Symptom: a small number of Toyota Vios car, the use of remote control can not control the door lock and unlock, that is, remote control failure.
     Cause: The anti-theft system (TVSS) control unit is working poorly. The anti-theft control unit on the circuit board to measure the high-frequency board and found that a capacitor is working poorly, resulting in no data output, can not receive the remote control signal.
     Solution: anti-theft system control unit suppliers in the production line on the finished product aging test, high-frequency printed circuit board (PCB) re-wiring design. After the improvement of the part number 5K26 (part number meaning: 5 - 2005; K - November; 26 - 26. Please refer to the anti-theft system control unit shell surface white label), the vehicle cut-off VIN code is LTVBA423650105217.