C1177 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C1177 – Control Area Network-Local Area Network Converter Control Unit Battery Voltage Power Supply Circuit
C1177 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C1177 Possible Causes
Faulty Local Area Network Converter Control Unit,Local Area Network Converter Control Unit harness is open or shorted,Local Area Network Converter Control Unit circuit poor electrical connection
C1177 Description
The Engine Control Module (ECM) monitors the Local Area Network Converter Control Unit. The ECM sets the OBDII code when the Local Area Network Converter Control Unit is not to factory specifications.