C1785 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1785 – Steering Control ECU Communication Error


C1785 Possible Symptoms


Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)


C1785 Possible Causes


Faulty Steering Control ECU,Steering Control ECU harness is open or shorted,Steering Control ECU circuit poor electrical connection,Faulty Suspension Control ECU


C1785 Description


The Suspension Control ECU receives signals from the Steering Control ECU via CAN communication. When there is a communication malfunction, it will be detected by the diagnosis function.