AutoCodes – Toyota – C1737 Toyota

C1737 Toyota Code - Right Front Height Control Solenoid Valve Circuit

Quick Answer

The Suspension Electronic Control Unit (ECU) energizes the height control solenoid valve, which opens the valve and leads compressed air to the pneumatic cylinder, thus raising the vehicle height. Common causes include Faulty Right Front Height Control Solenoid Valve, Right Front Height Control Solenoid Valve harness is open or shorted, Right Front Height Control 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
C1737 Toyota indicates Right Front Height Control Solenoid Valve Circuit.
Common causes
Common causes include Faulty Right Front Height Control Solenoid Valve, Right Front Height Control Solenoid Valve harness is open or shorted, Right Front Height Control 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.
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Code Popularity 1,828
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 19, 2020
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Code C1737 Toyota Description

The Suspension Electronic Control Unit (ECU) energizes the height control solenoid valve, which opens the valve and leads compressed air to the pneumatic cylinder, thus raising the vehicle height. When the vehicle height is lowered, the ECU energizes not only the height control solenoid valve but also the exhaust valve which open the valve and discharge the compressed air in the pneumatic cylinder to the atmosphere. Front and rear height control valves have 2 solenoid valves to control right hand and left hand pneumatic cylinders separately. The exhaust valve is located on the compressor unit, and has one valve only.
OBDII Code C1737 Toyota - Right Front Height Control Solenoid Valve Circuit - AutoCodes.com
C1737 Toyota Code - Right Front Height Control Solenoid Valve Circuit

What are the Possible Causes of the DTC C1737 Toyota?

  • Faulty Right Front Height Control Solenoid Valve
  • Right Front Height Control Solenoid Valve harness is open or shorted
  • Right Front Height Control Solenoid Valve circuit poor electrical connection
  • Faulty Suspension Electronic Control Unit (ECU)

How to Fix the DTC C1737 Toyota?

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 C1737 Toyota 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 C1737 Toyota code?

Need more information on how to fix the C1737 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1737 Toyota code diagnosed by a professional: Find a repair shop in your area

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.

Frequently Asked Questions about C1737 Toyota Code

1. What are common symptoms of OBDII code C1737 in a Toyota related to the Right Front Height Control Solenoid Valve Circuit?

The common symptoms include uneven ride height, suspension issues, and warning lights on the dashboard.

2. What could cause the OBDII code C1737 in a Toyota to trigger?

Possible causes include a faulty right front height control solenoid valve, damaged wiring or connectors, or issues with the height control sensor.

3. How can I diagnose the Right Front Height Control Solenoid Valve Circuit issue in my Toyota?

Diagnosis involves using an OBDII scanner to retrieve the specific code, checking the wiring and connectors for any damage, and testing the right front height control solenoid valve for proper functionality.

4. Can I continue driving my Toyota with the C1737 code related to the Right Front Height Control Solenoid Valve Circuit?

It is not recommended to drive the vehicle with this code as it can affect the suspension system and overall driving performance.

5. How can I repair the C1737 code on my Toyota caused by the Right Front Height Control Solenoid Valve Circuit issue?

Repair options include replacing the right front height control solenoid valve, repairing any damaged wiring or connectors, and resetting the system after the repair.

6. Are there any DIY tips for fixing the OBDII code C1737 in a Toyota?

While some basic troubleshooting like checking for loose connections can be done by DIY enthusiasts, it's recommended to consult a professional mechanic for proper diagnosis and repair.

7. How much does it typically cost to repair the Right Front Height Control Solenoid Valve Circuit issue causing the C1737 code in a Toyota?

The cost can vary depending on the exact cause of the issue, but it may range from $200 to $500 for parts and labor.

8. Will resetting the OBDII code C1737 in my Toyota make the problem go away?

Simply resetting the code without addressing the underlying issue will not solve the problem; it's important to diagnose and repair the root cause.

9. Can extreme weather conditions impact the Right Front Height Control Solenoid Valve Circuit in a Toyota and trigger the C1737 code?

Extreme cold or heat can potentially impact the performance of the solenoid valve and other components, leading to the triggering of the C1737 code.

10. How often should I have the Right Front Height Control Solenoid Valve Circuit in my Toyota inspected to prevent the C1737 code from occurring?

Regular maintenance and inspections as per the manufacturer's recommendations can help identify any potential issues early and prevent the occurrence of the C1737 code.

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