C1251 2015 GMC Sierra Code - Lateral Acceleration Sensor Performance
Quick Answer
The Yaw Rate, Lateral Acceleration, and Longitudinal Acceleration Sensors are combined into one Multi-Axis Acceleration Sensor, internal to the Inflatable Restraint Sensing and Diagnostic Module. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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
- C1251 2015 GMC Sierra indicates Lateral Acceleration Sensor Performance.
- Common causes
- Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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 C1251 2015 GMC Sierra Description
What are the Possible Causes of the DTC C1251 2015 GMC Sierra?
- Faulty Transmission Control Module (TCM)
- Transmission Control Module harness is open or shorted
- Transmission Control Module circuit poor electrical connection
- Faulty Electronic Brake Control Module (EBCM)
How to Fix the DTC C1251 2015 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 C1251 2015 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 C1251 2015 GMC Sierra code?
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Frequently Asked Questions about C1251 2015 GMC Sierra Code
1. What are the common symptoms of OBDII code C1251 in a 2015 GMC Sierra related to the Lateral Acceleration Sensor Performance?
- Common symptoms include the traction control system light illuminating on the dashboard, stability control issues, and potential difficulties in steering and handling.
2. What are some possible causes of OBDII code C1251 in a 2015 GMC Sierra?
- Causes can include a malfunctioning lateral acceleration sensor, damaged wiring or connectors in the sensor circuit, or a faulty electronic control unit (ECU).
3. How can I diagnose the issue related to OBDII code C1251 in my 2015 GMC Sierra?
- A thorough diagnostic scan using an OBDII scanner can help identify the specific fault codes present in the system, pinpointing the issue with the lateral acceleration sensor.
4. Are there any DIY repair tips for addressing OBDII code C1251 in a 2015 GMC Sierra?
- DIY repair tips may include checking and cleaning the sensor connectors, inspecting the sensor for physical damage, and ensuring proper sensor alignment and calibration.
5. Is it safe to continue driving my 2015 GMC Sierra with OBDII code C1251 triggered?
- It is not recommended to drive the vehicle with a triggered OBDII code C1251, as it can affect the vehicle's stability control system, potentially compromising safety.
6. Can resetting the OBDII code C1251 in my 2015 GMC Sierra resolve the issue temporarily?
- Resetting the code may temporarily turn off the warning light, but it will not address the underlying problem causing the lateral acceleration sensor performance issue.
7. How much does it typically cost to repair OBDII code C1251 in a 2015 GMC Sierra at a professional auto repair shop?
- Repair costs can vary depending on the exact cause of the issue, but it may involve sensor replacement, wiring repairs, or ECU reprogramming, ranging from a few hundred to over a thousand dollars.
8. Will OBDII code C1251 in a 2015 GMC Sierra affect the vehicle's overall performance?
- Yes, the lateral acceleration sensor performance issue can impact the vehicle's stability control system, potentially leading to compromised handling and traction in certain driving conditions.
9. Are there any recalls or technical service bulletins related to OBDII code C1251 in a 2015 GMC Sierra?
- It is advisable to check with a GMC dealership or the manufacturer's website for any recalls or technical service bulletins related to the lateral acceleration sensor performance concern.
10. Can extreme weather conditions or rough terrain trigger OBDII code C1251 in a 2015 GMC Sierra?
- Extreme weather conditions or rough terrain may not directly trigger the code, but they can exacerbate existing issues with the lateral acceleration sensor, leading to performance problems.
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