General Information

Pre-safe Seat Belt-Right
C1213 Seat_belt_Driver (0x690) and Driver Buckled Input State (0x5 A) not plausible - General Information

Component Location





General Description

PSB (Pre-Safe Seat Belt) : It is the protection model for passenger and operates the seat belt automatically to warn the danger to driver and passenger for road holding at each vehicle status.
At buckled seat belt, PSB is received the vehicle status from each sensors (Radar, wheel speed, SAS) when danger situation is happen during Driving and PSB decide that driving status is in critical situations then control the seat belt to reduce a injury of passenger and applied comfortable driving.
It's installed at driver seat and passenger seat of under B-Pillar each.
PSB Composite with Driving detected sensor (Radar, Wheel Speed, SAS), Pre-safe seat belt (ECU, Motor) and Standard Seat belt (FLR+P/T+L/L).
PSB has self diagnosis and operated Pre-safe belt by CAN communication each modules, also has Vehicle analysis information and supported effectiveness of passive safety systems in advance (reduction of too much slack, improved position of occupant to airbag) by monitoring the vehicle status.






DTC Description

This DTC is set when PSB detected that ACU and CLUSTER input signal of Driver buckle switch is unmatched for 5th cycle.

DTC Detecting Condition





Diagnostic Circuit Diagram














Signal Waveform & Data




Fig.1) CAN LOW and CAN HIGH Communication Waveform