C1224 GMC Code - Right Rear Wheel Speed Sensor Input Signal Is Zero
Quick Answer
As the wheel spins, the wheel speed sensor produces an AC signal. Common causes include Faulty Hub Assembly (Right Rear Wheel Speed Sensor is part of hub assembly), Faulty Right Rear Wheel Speed Sensor, Right Rear Wheel Speed Sensor harness is open or shorted. 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
- C1224 GMC indicates Right Rear Wheel Speed Sensor Input Signal Is Zero.
- Common causes
- Common causes include Faulty Hub Assembly (Right Rear Wheel Speed Sensor is part of hub assembly), Faulty Right Rear Wheel Speed Sensor, Right Rear Wheel Speed Sensor harness is open or shorted.
- 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 C1224 GMC Description
What are the Possible Causes of the DTC C1224 GMC?
- Faulty Hub Assembly (Right Rear Wheel Speed Sensor is part of hub assembly)
- Faulty Right Rear Wheel Speed Sensor
- Right Rear Wheel Speed Sensor harness is open or shorted
- Right Rear Wheel Speed Sensor circuit poor electrical connection
How to Fix the DTC C1224 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 C1224 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 C1224 GMC Code
1. What are common symptoms of OBDII code C1224 GMC?
The common symptoms include the ABS light illuminating on the dashboard, traction control system malfunction, and potential loss of stability control.
2. What does the OBDII code C1224 GMC indicate?
The code C1224 indicates that the right rear wheel speed sensor input signal is zero, meaning the vehicle's computer is not receiving any speed data from the sensor.
3. What are possible causes of OBDII code C1224 GMC?
Possible causes include a faulty right rear wheel speed sensor, damaged sensor wiring or connections, sensor alignment issues, or a malfunction in the ABS module.
4. How can I diagnose the cause of OBDII code C1224 GMC?
You can diagnose the issue by visually inspecting the sensor and its connections, testing the sensor for proper operation, checking the wiring for damage, and using a scan tool to monitor sensor data.
5. Can I still drive my vehicle with OBDII code C1224 GMC present?
It is not recommended to drive the vehicle with this code present, as it can affect the operation of the ABS and stability control systems, compromising safety.
6. How can I repair OBDII code C1224 GMC?
Repair options include replacing the right rear wheel speed sensor, repairing or replacing damaged wiring, ensuring proper sensor alignment, and resetting the ABS system.
7. Will resetting the OBDII code C1224 GMC make it go away permanently?
Resetting the code may temporarily clear the warning light, but if the underlying issue is not fixed, the code is likely to reappear once the system detects the problem again.
8. Can weather conditions affect OBDII code C1224 GMC?
Extreme weather conditions such as water, ice, or debris around the sensor area can potentially cause the sensor to malfunction and trigger the code.
9. Is it possible for multiple wheel speed sensors to fail simultaneously and trigger OBDII code C1224 GMC?
While it's rare for multiple sensors to fail at the same time, it's not impossible. However, it's more likely that the issue lies with the right rear wheel speed sensor specifically.
10. How much does it typically cost to repair OBDII code C1224 GMC?
The cost of repair can vary depending on the cause of the issue. Replacing a wheel speed sensor can range from $100 to $200, while more extensive repairs involving the ABS module could cost more.
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