General Information

Air Conditioner

B1672 APT Sensor Fault - CAN Signal - General Information

Component Location





General Description

Air conditioner control module receives air conditioner refrigerants pressure from ECM via CAN in order to judge how much refrigerants pressure is in the line. If the air conditioner pressure is abnormal, it is used for signal not to control the air conditioner compressor.

DTC Description

Air conditioner Control Module sets DTC B1272 if APT signal has not been received through the CAN signal

DTC Detecting Condition





Diagnostic Circuit Diagram