AutoCodes – Generic – C1755

C1755 Code - Rear Gate Solenoid Valve Malfunction

Quick Answer

The control valve solenoid assembly consists of each front and rear leveling valve, gate valve and accumulator valve. Common causes include Faulty Rear Gate Solenoid Valve, Rear Gate Solenoid Valve harness is open or shorted, Rear Gate Solenoid Valve circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: C1755 indicates Rear Gate Solenoid Valve Malfunction.
Common causes: Common causes include Faulty Rear Gate Solenoid Valve, Rear Gate Solenoid Valve harness is open or shorted, Rear Gate Solenoid Valve circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 4,647

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 19, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code C1755 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.

OBDII Code C1755 - Rear Gate Solenoid Valve Malfunction - AutoCodes.com — C1755 Code - Rear Gate Solenoid Valve Malfunction

What does this mean?

What are the Possible Causes of the DTC C1755?

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

How to Fix the DTC C1755?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1755 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C1755 code?

Need more information on how to fix the C1755 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1755 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1755 Infiniti — Front Left Transmitter Poor Receiving Conditions
C1755 Lexus — Rear Gate Solenoid Valve Malfunction
C1755 Nissan — Front Left Transmitter Poor Receiving Conditions
C1755 Toyota — Rear Gate Solenoid Valve Malfunction

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.