C1744
Rear Height Control Solenoid Valve Left Circuit Malfunction
C1744 is an OBD-II diagnostic trouble code meaning: Rear Height Control Solenoid Valve Left Circuit Malfunction. Common causes: open or short circuit in solenoid circuit, solenoid valve malfunction. Estimated repair cost: $56–167.
Symptoms
- Uneven body height (left rear lower or higher)
- Suspension system indicator flashing
- Reduced riding comfort
- Disabling the height adjustment system
Causes
- Open or short circuit in solenoid circuit
- Solenoid valve malfunction
- Wiring harness damage
- Problems with the suspension control unit
- Corrosion of contacts or connectors
How to Fix
- Check the integrity of the wiring harness and connectors
- Measure the solenoid resistance
- Check for power and ground at the solenoid connectors
- Scan the control unit for additional errors
- If necessary, replace the solenoid or repair the circuit.
Related codes
FAQ
What does the C1744 code mean?
C1744 is an OBD-II diagnostic trouble code that indicates: Rear Height Control Solenoid Valve Left Circuit Malfunction
What causes a C1744 error code?
The most common causes of C1744 include: Open or short circuit in solenoid circuit; Solenoid valve malfunction; Wiring harness damage; Problems with the suspension control unit.
How do I fix a C1744 diagnostic trouble code?
To fix C1744: Check the integrity of the wiring harness and connectors. Measure the solenoid resistance. Check for power and ground at the solenoid connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1744?
Do not drive — repair immediately
How much does it cost to fix C1744?
The estimated repair cost for C1744 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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