B1273
DTC B1273 Sliding Roof ECU Communication StopDESCRIPTION
DTC Detection Condition:
This DTC is detected when communication between the sliding roof control ECU (Moon roof control ECU) and gateway ECU stops for more than 10 seconds.
Wiring Diagram:
Step 1-2:
Step 3-4:
Step 5-6:
Step 7:
INSPECTION PROCEDURE
HINT: When "+B or GND short malfunction of communication bus" DTCs (B1214 and B1215) are detected at same time as "communication stop" DTC B1273, repair the "+B or GND short malfunction of communication bus" DTCs first.