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Engine-Codes – Hyundai – C1206 Hyundai

C1206 Hyundai Code - Rear Left Wheel Speed Sensor Open Or Short

Quick Answer

The C1206 Hyundai code indicates that there is an issue with the rear left wheel speed sensor, specifically that it is either open or short-circuited. Common causes include Damaged or corroded wheel speed sensor wiring, Faulty wheel speed sensor, Loose or disconnected electrical connections. 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
C1206 Hyundai indicates Rear Left Wheel Speed Sensor Open Or Short.
Common causes
Common causes include Damaged or corroded wheel speed sensor wiring, Faulty wheel speed sensor, Loose or disconnected electrical connections.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code C1206 Hyundai Description

The C1206 Hyundai code indicates that there is an issue with the rear left wheel speed sensor, specifically that it is either open or short-circuited. The wheel speed sensor is a crucial component of the vehicle's anti-lock braking system (ABS) and traction control system. It is responsible for monitoring the speed of the wheel and sending this information to the vehicle's electronic control unit (ECU). The ECU uses this data to determine the appropriate braking force for each wheel to prevent skidding and maintain control during braking.

OBDII Code C1206 Hyundai - Rear Left Wheel Speed Sensor Open Or Short
C1206 Hyundai Code - Rear Left Wheel Speed Sensor Open Or Short

Common Causes of C1206 Hyundai

  1. Damaged or corroded wheel speed sensor wiring
  2. Faulty wheel speed sensor
  3. Loose or disconnected electrical connections
  4. Water or debris intrusion into the sensor
  5. Issues with the ABS module or ECU

Symptoms of C1206 Hyundai

  1. ABS warning light illuminated on the dashboard
  2. Traction control light activated
  3. Erratic or inconsistent braking behavior
  4. Vehicle skidding during braking or cornering
  5. Uneven braking pressure between wheels

How to Fix C1206 Hyundai

  1. Perform a diagnostic scan to confirm the C1206 Hyundai code and pinpoint the exact issue with the rear left wheel speed sensor.
  2. Inspect the wiring and connections of the wheel speed sensor for any damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the wheel speed sensor using a multimeter to check for proper functionality. Replace the sensor if it is faulty.
  4. Clear the diagnostic trouble codes from the ECU and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further inspection of the ABS module and ECU may be necessary.

Cost to Fix C1206 Hyundai

The typical repair costs for addressing a rear left wheel speed sensor open or short issue can range from $150 to $300, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It is advisable to obtain quotes from multiple shops to get a more accurate estimate for this repair.

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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 C1206 Hyundai Code

1. What are the common symptoms of OBDII code C1206 in a Hyundai indicating a rear left wheel speed sensor open or short?

The common symptoms include the ABS warning light illuminating on the dashboard, potential traction control system issues, and possible loss of stability control.

2. What can cause the OBDII code C1206 to trigger in a Hyundai related to the rear left wheel speed sensor?

The code may be triggered due to a faulty rear left wheel speed sensor, damaged wiring or connectors leading to the sensor, or a problem with the ABS control module.

3. How can I diagnose the issue with the rear left wheel speed sensor causing code C1206 in my Hyundai?

You can use a diagnostic scan tool to read the trouble codes, conduct a visual inspection of the sensor and its wiring, perform continuity tests on the sensor circuit, and check for any signs of physical damage.

4. What are some tips for repairing the rear left wheel speed sensor open or short issue indicated by OBDII code C1206 in a Hyundai?

Repair options may include replacing the rear left wheel speed sensor, repairing or replacing damaged wiring, checking and cleaning connectors, and resetting the trouble codes with a scan tool after the repair.

5. Can I drive my Hyundai with the OBDII code C1206 for the rear left wheel speed sensor open or short?

It is not recommended to drive your Hyundai with this issue as it can affect the proper functioning of the ABS and stability control systems, potentially compromising your safety on the road.

6. How urgent is it to address the OBDII code C1206 indicating a rear left wheel speed sensor problem in a Hyundai?

It is important to address this issue promptly to ensure the ABS and stability control systems work correctly, maintaining optimal safety and control of your vehicle.

7. Is it possible to reset the OBDII code C1206 related to the rear left wheel speed sensor issue in my Hyundai without making any repairs?

While you can reset the trouble code with a scan tool, it is crucial to address the underlying problem causing the code to prevent it from reoccurring and potentially causing safety concerns.

8. Can extreme weather conditions or road debris cause the OBDII code C1206 due to a rear left wheel speed sensor open or short in a Hyundai?

Yes, extreme weather conditions, road debris, or water exposure can damage the rear left wheel speed sensor or its wiring, leading to the triggering of code C1206 in your Hyundai.

9. How much does it typically cost to repair the rear left wheel speed sensor open or short issue triggering OBDII code C1206 in a Hyundai?

The cost of repair can vary depending on the specific cause of the issue, but it may involve sensor replacement, wiring repairs, or connector fixes, with total costs ranging from around $100 to $300 or more.

10. Are there any preventive maintenance steps I can take to avoid the OBDII code C1206 for the rear left wheel speed sensor problem in my Hyundai?

Regularly inspecting the wheel speed sensors, ensuring they are free of damage and debris, and addressing any warning signs promptly can help prevent the occurrence of code C1206 and related issues.

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