C0045 2017 GMC Sierra Code - Left Rear Wheel Speed Sensor Circuit
Quick Answer
The wheel speeds are detected by active Wheel Speed Sensors (WSS) and encoder rings. Common causes include Faulty Left Rear Wheel Speed Sensor, Left Rear Wheel Speed Sensor harness is open or shorted, Left Rear 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
- C0045 2017 GMC Sierra indicates Left Rear Wheel Speed Sensor Circuit.
- Common causes
- Common causes include Faulty Left Rear Wheel Speed Sensor, Left Rear Wheel Speed Sensor harness is open or shorted, Left Rear 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 C0045 2017 GMC Sierra Description
What are the Possible Causes of the DTC C0045 2017 GMC Sierra?
- Faulty Left Rear Wheel Speed Sensor
- Left Rear Wheel Speed Sensor harness is open or shorted
- Left Rear Wheel Speed Sensor circuit poor electrical connection
- Faulty Electronic Brake Control Module (EBCM)
How to Fix the DTC C0045 2017 GMC Sierra?
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 C0045 2017 GMC Sierra 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 C0045 2017 GMC Sierra code?
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Frequently Asked Questions about C0045 2017 GMC Sierra Code
1. What are common symptoms of OBDII code C0045 on a 2017 GMC Sierra related to the Left Rear Wheel Speed Sensor Circuit?
The common symptoms include the ABS warning light illuminating on the dashboard, potential traction control system issues, and possible activation of the vehicle's stability control system.
2. What are the possible causes of OBDII code C0045 on a 2017 GMC Sierra?
Possible causes of this code include a faulty left rear wheel speed sensor, damaged wiring or connectors in the circuit, a failed ABS module, or issues with the wheel speed sensor tone ring.
3. How can I diagnose the OBDII code C0045 on my 2017 GMC Sierra?
To diagnose this code, you can use an OBDII scanner to retrieve the specific fault code. Additionally, inspect the left rear wheel speed sensor, check the wiring and connectors for damage, and perform a visual inspection of the tone ring for any issues.
4. Can I continue driving my 2017 GMC Sierra with OBDII code C0045 present?
While the vehicle may still be operable with this code, it is not recommended to ignore it. It is important to address the underlying issue promptly to ensure the proper functioning of the ABS and traction control systems.
5. How can I repair OBDII code C0045 on my 2017 GMC Sierra?
Repair options may include replacing the left rear wheel speed sensor, repairing or replacing damaged wiring or connectors, addressing any issues with the wheel speed sensor tone ring, or replacing the ABS module if necessary.
6. Are there any DIY tips for troubleshooting OBDII code C0045 on a 2017 GMC Sierra?
DIY tips may include checking for visible damage to the sensor and its wiring, ensuring proper connections, and inspecting the tone ring for debris or damage. However, complex diagnostics and repairs may require professional assistance.
7. Will OBDII code C0045 on a 2017 GMC Sierra affect vehicle performance?
While the code itself may not significantly impact performance, it can compromise the functionality of the ABS and traction control systems, affecting overall safety and stability during driving.
8. How long does it typically take to repair OBDII code C0045 on a 2017 GMC Sierra?
The repair time can vary depending on the exact cause of the code and the extent of the repairs needed. Simple fixes like sensor replacement may take less time, while complex issues could require more labor.
9. Can extreme weather conditions affect the occurrence of OBDII code C0045 on a 2017 GMC Sierra?
Extreme weather conditions, especially those causing moisture or corrosion, can potentially impact the wheel speed sensor circuit and lead to the triggering of this fault code.
10. Is it necessary to reset the OBDII system after repairing code C0045 on a 2017 GMC Sierra?
After completing the repairs, it is advisable to clear the OBDII system's memory using an OBDII scanner to reset the code and ensure proper functioning of the ABS and traction control systems.
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