B1272
DTC B1272 Power Seat ECU Communication StopDESCRIPTION
DTC Detection Condition:
This DTC is detected when communication between the position control ECU and switch (driver seat ECU) and multiplex network gateway ECU stops for more than 10 seconds.
HINT: When "+B of GND short malfunction of communication bus" DTCs (B1214 and B1215) are detected at the same time as "communication stop" DTC B1272, repair the "+B or GND short malfunction of communication bus" DTCs first.
Wiring Diagram:
Step 1-2:
Step 3:
INSPECTION PROCEDURE