AutoCodes – KIA – C1206 KIA

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

Quick Answer

The Wheel Speed Sensor is the essential component the Anti-Lock Brake System (ABS) ECU uses to calculate vehicle speed and to determine whether wheel lock occurs. Common causes include Improper installation of wheel speed sensor, Abnormal Rotor and wheel bearing, Faulty Rear Left Wheel Speed Sensor. 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 KIA indicates Rear Left Wheel Speed Sensor Open Or Short.
Common causes: Common causes include Improper installation of wheel speed sensor, Abnormal Rotor and wheel bearing, Faulty Rear Left Wheel Speed Sensor.
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 21,976

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 21, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1206 KIA Description

The Wheel Speed Sensor is the essential component the Anti-Lock Brake System (ABS) ECU uses to calculate vehicle speed and to determine whether wheel lock occurs. For example, a rear-wheel speed signal is used as a reference value, for vehicle speed, in front-wheel drive vehicles, and if a difference between the front and rear wheel speed occurs, then ABS control is performed. The wheel speed sensor generates sinewave signals, based on a magnetic field made by a permanent magnet in the speed sensor when the tone wheel rotates. The ABS ECU monitors the wheel speed sensor circuit continuously. A direct current is supplied in the wheel-speed sensor by a power source in the input amplifier of the control unit. If the WSS circuit is broken, that case, a fault is detected by detecting an abnormal input current. HECU cuts off the voltage supply to the wheel sensor channel which had a fault and prevents the vehicle's damage due to the super-heated harness. If one or more defects have detected, the Diagnostic Trouble Code (DTC) code of defected wheel will be stored. Mutual short between sensors is detected by executing self-diagnosis successively at the corresponding wheel when ignition ON. The warning lamp is turned OFF unless additional faults are detected when the IG KEY has turned ON again.

OBDII Code C1206 KIA - Rear Left Wheel Speed Sensor Open Or Short - AutoCodes.com — C1206 KIA Code - Rear Left Wheel Speed Sensor Open Or Short

What does this mean?

What are the Possible Causes of the DTC C1206 KIA?

Improper installation of wheel speed sensor
Abnormal Rotor and wheel bearing
Faulty Rear Left Wheel Speed Sensor
Rear Left Wheel Speed Sensor harness is open or shorted
Rear Left Wheel Speed Sensor circuit poor electrical connection

How to Fix the DTC C1206 KIA?

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 C1206 KIA 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.

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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 KIA Code

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

The common symptoms include the ABS light being illuminated on the dashboard, traction control issues, and potential loss of stability control.

2. What are the possible causes of the OBDII code C1206 in a KIA, signaling a rear left wheel speed sensor open or short?

Possible causes include a faulty wheel speed sensor, damaged wiring or connectors related to the sensor, or issues with the ABS module.

3. How can I diagnose the OBDII code C1206 in my KIA, related to a rear left wheel speed sensor open or short?

Diagnosis typically involves using a scan tool to read the fault code, inspecting the wiring and connectors for damage, and testing the wheel speed sensor for proper operation.

4. Can I still drive my KIA with the OBDII code C1206 indicating a rear left wheel speed sensor issue?

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

5. How can I repair the OBDII code C1206 in my KIA caused by a rear left wheel speed sensor open or short?

Repair involves replacing the faulty wheel speed sensor, repairing any damaged wiring or connectors, and clearing the fault code with a scan tool.

6. Are there any DIY tips for troubleshooting the OBDII code C1206 in a KIA related to the rear left wheel speed sensor?

DIY tips include visually inspecting the wiring and connectors for any visible damage, checking the sensor for debris or physical damage, and ensuring proper installation if replacing the sensor.

7. Is the repair for OBDII code C1206 in a KIA, indicating a rear left wheel speed sensor issue, something I can do myself?

The repair can typically be done by a DIY enthusiast with basic automotive knowledge and tools, but if unsure, it is recommended to consult a professional mechanic.

8. How important is it to address the OBDII code C1206 in a KIA due to a rear left wheel speed sensor open or short?

It is crucial to address this issue promptly to ensure the proper functioning of the ABS and stability control systems, maintaining optimal safety while driving.

9. Can weather conditions affect the occurrence of OBDII code C1206 in a KIA related to the rear left wheel speed sensor?

Extreme weather conditions, such as heavy rain or snow, can potentially contribute to sensor malfunctions or shorts, triggering the OBDII code C1206.

10. Is it possible for the OBDII code C1206 in a KIA, indicating a rear left wheel speed sensor problem, to reoccur after repair?

If the root cause of the issue is not properly addressed during the repair, the OBDII code C1206 may reoccur, highlighting the importance of thorough diagnostics and repair.