C1235 GMC Code - Right Rear Wheel Speed Circuit Open or Shorted
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
- C1235 GMC indicates Right Rear Wheel Speed Circuit Open or Shorted.
- 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 C1235 GMC Description
What are the Possible Causes of the DTC C1235 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 C1235 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 C1235 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 C1235 GMC Code
1. What are the common symptoms of OBDII code C1235 for a GMC vehicle?
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 C1235 indicating a Right Rear Wheel Speed Circuit Open or Shorted in a GMC?
Potential causes may include a damaged or corroded wheel speed sensor, faulty wiring or connectors in the right rear wheel speed circuit, or a malfunctioning ABS module.
3. How can I diagnose the issue related to OBDII code C1235 in my GMC vehicle?
Diagnosing the problem involves visually inspecting the wheel speed sensor and its wiring for any visible damage, testing the sensor's resistance, checking the wiring and connectors for continuity, and using a scan tool to monitor wheel speed sensor data.
4. Is it safe to drive my GMC vehicle with OBDII code C1235 triggered?
It is not recommended to drive the vehicle with this code active, as it may affect the proper functioning of the ABS and traction control systems, potentially compromising safety on the road.
5. Can I repair OBDII code C1235 in my GMC myself, or should I seek professional help?
While some DIY enthusiasts may attempt to repair this issue by replacing the wheel speed sensor or fixing wiring problems, it is advisable to consult a qualified mechanic or technician for accurate diagnosis and repair.
6. Are there any specific maintenance tips to prevent OBDII code C1235 from recurring in my GMC?
Regularly inspecting the wheel speed sensors and their wiring for signs of damage, ensuring proper wheel alignment and tire condition, and promptly addressing any ABS warning lights can help prevent the recurrence of this code.
7. Will fixing OBDII code C1235 in my GMC be expensive?
The cost of repair may vary depending on the exact cause of the issue, the parts needed for replacement, and the labor charges. It is recommended to obtain quotes from different repair shops for comparison.
8. How long does it typically take to repair OBDII code C1235 in a GMC vehicle?
The repair time can vary based on the complexity of the issue and the availability of parts. In general, a skilled mechanic can address this problem within a few hours to a day.
9. Can OBDII code C1235 be triggered intermittently in a GMC vehicle?
Yes, the code may sometimes appear intermittently due to loose connections, intermittent sensor failure, or other factors. It is essential to address the issue promptly to prevent further problems.
10. Will resetting the OBDII code C1235 in my GMC make the problem disappear permanently?
Simply resetting the code without addressing the underlying issue will not resolve the problem permanently. It is crucial to diagnose and repair the root cause to prevent the code from reappearing.
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