C1744 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1744 – Rear Height Control Solenoid Valve Left Circuit Malfunction

 

C1744 Possible Symptoms

 

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

 

C1744 Possible Causes

 

Faulty Rear Height Control Solenoid Valve Left,Rear Height Control Solenoid Valve Left harness is open or shorted,Rear Height Control Solenoid Valve Left circuit poor electrical connection,Faulty Suspension Electronic Control Unit (ECU)

 

C1744 Description

 

The control valve solenoid assembly consists of each front and rear leveling valve, gate valve and accumulator valve. It performs the height control and connects and disconnects the fluid line of the right and left shock absorber by operating the solenoid valve with the control signal from the ECU.