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B1273

DTC B1273 Sliding Roof ECU Communication Stop

DESCRIPTION

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.