C1254 2014 GMC Sierra Code - Longitudinal 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
- C1254 2014 GMC Sierra indicates Longitudinal 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 C1254 2014 GMC Sierra Description
What are the Possible Causes of the DTC C1254 2014 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 C1254 2014 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 C1254 2014 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 C1254 2014 GMC Sierra code?
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Frequently Asked Questions about C1254 2014 GMC Sierra Code
1. What are the common symptoms of OBDII code C1254 in a 2014 GMC Sierra related to the Longitudinal Acceleration Sensor Performance?
- Common symptoms include the illumination of the ABS warning light, stability control issues, and potential traction control system malfunctions.
2. What are possible causes for the C1254 code in a 2014 GMC Sierra?
- Possible causes may include a faulty longitudinal acceleration sensor, damaged wiring or connectors, or a malfunction in the stability control system.
3. How can I diagnose the C1254 code in a 2014 GMC Sierra?
- Diagnosis typically involves using a professional OBDII scanner to retrieve the code, inspecting the longitudinal acceleration sensor and its connections, and conducting a visual inspection for any visible signs of damage.
4. Is it safe to continue driving a 2014 GMC Sierra with the C1254 code triggered?
- It is not recommended to continue driving the vehicle with the C1254 code active, as it may affect the stability and traction control functions, potentially compromising safety.
5. Can I repair the C1254 code in a 2014 GMC Sierra myself?
- While some DIY enthusiasts may attempt to address the issue, it is advisable to seek professional help for accurate diagnosis and proper repair of the longitudinal acceleration sensor or related components.
6. How much does it typically cost to repair the C1254 code in a 2014 GMC Sierra?
- Repair costs can vary depending on the specific cause of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.
7. Are there any temporary solutions to reset the C1254 code in a 2014 GMC Sierra?
- Resetting the code temporarily using an OBDII scanner may clear the warning light, but it is crucial to address the underlying issue to prevent further malfunctions.
8. Can weather conditions or rough terrain trigger the C1254 code in a 2014 GMC Sierra?
- Extreme weather conditions or driving on rough terrain may potentially contribute to triggering the code by putting additional stress on the stability control system components.
9. How long does it typically take to repair the C1254 code in a 2014 GMC Sierra?
- Repair times can vary based on the extent of the issue and availability of parts, but it may take a few hours to a day to address the Longitudinal Acceleration Sensor Performance problem.
10. Will the C1254 code in a 2014 GMC Sierra affect the overall drivability of the vehicle?
- While the vehicle may still be drivable with the code triggered, it is essential to address the issue promptly to ensure proper operation of the stability and traction control systems.
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