AutoCodes – Generic – C1736

C1736 Code - Front Suspension Control Valve Right Malfunction

Quick Answer

In order to decrease roll angle/pitch angle, the suspension control ECU turns the spring rate switching valve in the front suspension control valve off/on to change the fluid lines when the acceleration sensor or yaw rate sensor signal is input into the suspension control ECU. Common causes include Faulty Front Suspension Control Valve Right, Front Suspension Control Valve Right harness is open or shorted, Front Suspension Control Valve Right 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: C1736 indicates Front Suspension Control Valve Right Malfunction.
Common causes: Common causes include Faulty Front Suspension Control Valve Right, Front Suspension Control Valve Right harness is open or shorted, Front Suspension Control Valve Right 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 6,983

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
FAQs
Comments
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Code C1736 Description

OBDII Code C1736 - Front Suspension Control Valve Right Malfunction - AutoCodes.com — C1736 Code - Front Suspension Control Valve Right Malfunction

What does this mean?

What are the Possible Causes of the DTC C1736?

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

How to Fix the DTC C1736?

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 C1736 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 C1736 code?

Need more information on how to fix the C1736 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1736 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1736 Lexus — Front Suspension Control Valve Right Malfunction
C1736 Toyota — Front Suspension Control Valve Right 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.

Frequently Asked Questions about C1736 Code

1. What are common symptoms of OBDII code C1736 (Front Suspension Control Valve Right Malfunction)?

- Common symptoms include uneven or rough ride quality, steering issues, and abnormal suspension behavior on the right side of the vehicle.

2. What can cause the OBDII code C1736 to trigger?

- The code C1736 may be triggered by a faulty front suspension control valve on the right side, wiring issues, or a malfunction in the suspension control module.

3. How can I diagnose the cause of OBDII code C1736?

- A thorough inspection of the front suspension control valve, wiring connections, and suspension control module is recommended. Testing the components for proper function will help identify the root cause.

4. Is it safe to drive with OBDII code C1736 active?

- It is not recommended to drive with the code C1736 active, as it can affect the vehicle's suspension performance and potentially lead to safety issues. It is best to address the problem promptly.

5. Can I reset OBDII code C1736 without fixing the underlying issue?

- Resetting the code without addressing the underlying issue will only temporarily clear the fault indication. The problem will likely recur until the root cause is resolved.

6. What are some repair tips for fixing OBDII code C1736?

- Repairing or replacing the front suspension control valve on the right side, checking and repairing any damaged wiring, and ensuring proper functioning of the suspension control module are key steps in resolving this issue.

7. How much does it typically cost to repair OBDII code C1736?

- The cost of repairing OBDII code C1736 can vary depending on the extent of the issue, parts needed for replacement, and labor costs. It is recommended to consult a professional mechanic for an accurate estimate.

8. Can OBDII code C1736 affect other vehicle systems?

- While the code specifically relates to the front suspension control valve on the right side, it can impact overall suspension performance and potentially affect other systems reliant on proper suspension operation.

9. Is it possible to prevent OBDII code C1736 from recurring?

- Regular maintenance of the suspension system, including checking for signs of wear or damage, can help prevent the recurrence of OBDII code C1736. Addressing any issues promptly can also minimize the likelihood of the code reappearing.

10. How long does it usually take to repair OBDII code C1736?

- The repair time for OBDII code C1736 can vary depending on the specific cause of the issue, availability of parts, and the mechanic's expertise. In general, the repair process may take a few hours to complete.