AutoCodes – Hyundai – C1205 Hyundai

C1205 Hyundai Code - Front Right Wheel Speed Sensor Invalid Or No Signal

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 Front Right 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: C1205 Hyundai indicates Front Right Wheel Speed Sensor Invalid Or No Signal.
Common causes: Common causes include Improper installation of wheel speed sensor, Abnormal Rotor and wheel bearing, Faulty Front Right 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 7,720

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code C1205 Hyundai 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 signal continuously. This code is set when there is no wheel speed signal within 10ms to 20ms at a vehicle speed > 43.2 km/h (26.8 mph) or a deviation between sensors exceed the threshold or one or two wheels are at 2.75 km/h (1.7 mph) while the vehicle speed is at 12 km/h (7.5 mph). The warning lamp is turned OFF unless additional faults are detected when the IG KEY has turned ON again, and wheel speed is more than 12 Km/h (7.5 mph).

OBDII Code C1205 Hyundai - Front Right Wheel Speed Sensor Invalid Or No Signal - AutoCodes.com — C1205 Hyundai Code - Front Right Wheel Speed Sensor Invalid Or No Signal

What does this mean?

What are the Possible Causes of the DTC C1205 Hyundai?

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

How to Fix the DTC C1205 Hyundai?

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 C1205 Hyundai 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 C1205 Hyundai code?

Need more information on how to fix the C1205 Hyundai code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1205 Hyundai 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 C1205 Hyundai Code

1. What are the common symptoms of OBDII code C1205 in a Hyundai indicating a Front Right Wheel Speed Sensor Invalid Or No Signal?

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

2. What are the possible causes of OBDII code C1205 in a Hyundai?

The code C1205 typically indicates a faulty front right wheel speed sensor, damaged wiring or connectors related to the sensor, or issues with the ABS control module.

3. How can I diagnose the Front Right Wheel Speed Sensor issue related to OBDII code C1205 in my Hyundai?

You can use a diagnostic scan tool to retrieve the fault codes, visually inspect the wiring and sensor for any visible damage, and perform a resistance check on the sensor to determine its functionality.

4. Can I still drive my Hyundai with OBDII code C1205 present?

It is not recommended to drive the vehicle with the code C1205 as it may affect the proper functioning of the ABS and traction control systems, potentially compromising safety.

5. How can I repair OBDII code C1205 related to the Front Right Wheel Speed Sensor in my Hyundai?

The repair typically involves replacing the front right wheel speed sensor, repairing any damaged wiring or connectors, and clearing the fault codes using a diagnostic scan tool.

6. Is it possible for a DIY enthusiast to fix OBDII code C1205 in a Hyundai?

Depending on your skill level and access to tools, replacing the front right wheel speed sensor could be a DIY task. However, proper diagnosis and repair are best done by a qualified technician.

7. Are there any preventive measures to avoid OBDII code C1205 in a Hyundai?

Regularly inspecting the wheel speed sensors and their wiring for any signs of wear or damage, along with maintaining the ABS system, can help prevent issues leading to code C1205.

8. Can extreme weather conditions affect the Front Right Wheel Speed Sensor and trigger OBDII code C1205 in a Hyundai?

Extreme heat or cold can potentially affect the performance of the wheel speed sensor or its wiring, leading to malfunctions and triggering the OBDII code C1205.

9. How long does it typically take to repair OBDII code C1205 in a Hyundai at a professional auto repair shop?

The repair time can vary depending on the extent of the issue and the availability of parts, but replacing the front right wheel speed sensor and addressing related wiring problems usually takes a few hours.

10. Will resetting the fault codes using a diagnostic scan tool make OBDII code C1205 disappear permanently?

Resetting the fault codes may temporarily clear the code C1205, but if the underlying issue with the front right wheel speed sensor or related components is not fixed, the code is likely to reappear.