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B1271

DTC B1271 Combination Meter ECU Communication Stop

DESCRIPTION

DTC Detection Condition:




This DTC is detected when communication between the combination meter assembly (combination meter ECU) and multiplex network gateway ECU stops for more than 10 seconds.

Wiring Diagram:






Step 1:




Step 1 (Continued)-4:




Step 4 (Continued):




INSPECTION PROCEDURE

HINT: When "+B of GND short malfunction of communication bus" DTCs (B1214, B1215, etc.) are detected at the same time as "communication stop" DTC B1271, repair the "+B or GND short malfunction of communication bus" DTCs first.