C1709 Right Rear Center Sensor Circuit Failure

How to Diagnose and Solve C1709 Right Rear Center Sensor Circuit Failure Issues


Are you a car enthusiast who loves to solve car problems on your own? Or perhaps you’re just a regular car owner who wants to save some bucks on mechanic fees? Either way, you’ve come to the right place. Today, we’re going to delve into the nitty-gritty of diagnosing and solving the C1709 Right Rear Center Sensor Circuit Failure issue.

Understanding the C1709 Code

First things first, let’s understand what the C1709 code means. This code is a specific trouble code that indicates a problem with the right rear center sensor circuit in your vehicle. This sensor is crucial for the proper functioning of your car’s anti-lock braking system (ABS). If this sensor fails, it could lead to serious safety issues.

What Triggers the C1709 Code?

The C1709 code is usually triggered when the ABS control module detects an electrical fault in the right rear center sensor circuit. This could be due to a variety of reasons, such as a faulty sensor, damaged wiring, or a malfunctioning control module.

Diagnosing the C1709 Code

Now that we know what the C1709 code means, let’s move on to diagnosing the problem. Remember, diagnosing the issue correctly is half the battle won.

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Step 1: Visual Inspection

Start with a visual inspection of the sensor and its surrounding area. Look for any visible signs of damage or wear and tear. Check the wiring and connectors for any signs of corrosion or damage.

Step 2: Use a Diagnostic Tool

Next, use a diagnostic tool to read the fault codes from your car’s computer. This will confirm if the C1709 code is present and if there are any other related issues.

Step 3: Test the Sensor

If the visual inspection doesn’t reveal any obvious issues, the next step is to test the sensor itself. You can do this using a multimeter. If the sensor is faulty, it will need to be replaced.

Solving the C1709 Code

Once you’ve diagnosed the problem, it’s time to solve it. Here’s how:

Step 1: Replace the Sensor

If the sensor is faulty, replace it with a new one. Make sure to choose a high-quality replacement to ensure longevity and proper functioning.

Step 2: Repair or Replace Damaged Wiring

If the wiring or connectors are damaged, they will need to be repaired or replaced. This is a crucial step as faulty wiring can lead to other serious issues.

Step 3: Reset the Code

After fixing the issue, use your diagnostic tool to reset the C1709 code. If the code doesn’t come back, you’ve successfully solved the problem.


Dealing with car issues can be daunting, but with the right knowledge and tools, you can diagnose and solve the C1709 Right Rear Center Sensor Circuit Failure issue on your own. Remember, safety should always be your top priority. If you’re unsure about any step, don’t hesitate to seek professional help.


1. Can I drive my car with the C1709 code?

While your car might still be drivable with the C1709 code, it’s not recommended. The faulty sensor could affect the performance of your ABS, which could lead to safety issues.

2. How much does it cost to fix the C1709 code?

The cost to fix the C1709 code can vary depending on the exact issue and the make and model of your car. However, if you’re able to diagnose and fix the issue yourself, you can save a significant amount on labor costs.

3. Can the C1709 code cause other issues in my car?

Yes, a faulty sensor or damaged wiring can lead to other issues in your car. That’s why it’s important to address the C1709 code as soon as possible.