C1205 GMC Code - Right Front Wheel Speed Sensor Input Signal Equals Zero
Quick Answer
As the wheel is rotated, the speed sensor produces an AC voltage that increases with wheel speed. Common causes include Faulty Right Front Wheel Speed Sensor, Right Front Wheel Speed Sensor harness is open or shorted, Right Front Wheel Speed Sensor 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
- C1205 GMC indicates Right Front Wheel Speed Sensor Input Signal Equals Zero.
- Common causes
- Common causes include Faulty Right Front Wheel Speed Sensor, Right Front Wheel Speed Sensor harness is open or shorted, Right Front Wheel Speed Sensor 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.
Code C1205 GMC Description
What are the Possible Causes of the DTC C1205 GMC?
- Faulty Right Front Wheel Speed Sensor
- Right Front Wheel Speed Sensor harness is open or shorted
- Right Front Wheel Speed Sensor circuit poor electrical connection
- Faulty Electronic Brake Control Module (EBCM)
How to Fix the DTC C1205 GMC?
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 GMC 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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Frequently Asked Questions about C1205 GMC Code
1. What does the OBDII code C1205 mean for a GMC vehicle?
The code C1205 indicates that the right front wheel speed sensor is not sending a signal or its input equals zero, which can affect the ABS system.
2. What are the common symptoms of code C1205 in a GMC?
Common symptoms include the ABS warning light being illuminated, reduced ABS functionality, or inconsistent braking performance.
3. What causes the C1205 code to appear on a GMC?
The code can be caused by a faulty wheel speed sensor, damaged wiring or connectors, debris on the sensor, or a malfunctioning ABS module.
4. Can I drive my GMC with the C1205 code active?
Yes, but it is not recommended as ABS functionality may be impaired, which could result in reduced braking performance under certain conditions.
5. How can I diagnose the C1205 code on my GMC?
You can diagnose the issue by visually inspecting the right front wheel speed sensor, checking for damaged wiring, and using a scan tool to monitor speed sensor signals.
6. How do I fix the C1205 code on a GMC?
Repairs may include cleaning or replacing the right front wheel speed sensor, repairing damaged wiring or connectors, or replacing the ABS module if necessary.
7. How much does it cost to repair code C1205 on a GMC?
The repair cost can vary, but replacing a wheel speed sensor typically costs $100–$300, while wiring repairs or ABS module replacements may be more expensive.
8. Can a dirty wheel hub cause the C1205 code on a GMC?
Yes, debris or corrosion near the right front wheel hub can interfere with the sensor signal and trigger the C1205 code.
9. Will clearing the C1205 code fix the problem on a GMC?
Clearing the code without addressing the root cause will only temporarily remove the error and it will likely return.
10. How often do wheel speed sensors fail on GMC vehicles?
Wheel speed sensors typically last many years, but their lifespan can be shortened by exposure to harsh road conditions, debris, or corrosion.
Discuss the causes and fixes for C1205 GMC OBDII Code
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