AutoCodesGMC – C124F 2017 GMC Sierra

C124F 2017 GMC Sierra Code - Lateral Acceleration Sensor Circuit Low Voltage

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
C124F 2017 GMC Sierra indicates Lateral Acceleration Sensor Circuit Low Voltage.
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.
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Code Popularity 339
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 19, 2023
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Code C124F 2017 GMC Sierra Description

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. The Multi-Axis Acceleration Sensor communicates with the Electronic Brake Control Module (EBCM) and Transmission Control Module (TCM) via serial data. The Electronic Brake Control Module activates the stability control function depending on the Multi-Axis Acceleration Sensor input. The Inflatable Restraint Sensing and Diagnostic Module uses the Multi-Axis Acceleration Sensor to determine if the vehicle is in a rollover or near collision incident. The Transmission Control Module sets this Diagnostic Trouble Code (DTC)s. The DTC will be set when the Transmission Control Module detects a fault that prevents it from performing a hill hold function.
OBDII Code C124F 2017 GMC Sierra - Lateral Acceleration Sensor Circuit Low Voltage - AutoCodes.com
C124F 2017 GMC Sierra Code - Lateral Acceleration Sensor Circuit Low Voltage

What are the Possible Causes of the DTC C124F 2017 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 C124F 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C124F 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 C124F 2017 GMC Sierra code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C124F 2017 GMC Sierra Code

1. What are the common symptoms of OBDII code C124F in a 2017 GMC Sierra?

- Common symptoms may include the traction control light or stability control light illuminating on the dashboard, as well as potential issues with the vehicle's stability control system.

2. What does the OBDII code C124F "Lateral Acceleration Sensor Circuit Low Voltage" mean for a 2017 GMC Sierra?

- This code indicates that there is a low voltage condition detected in the lateral acceleration sensor circuit of the vehicle.

3. What are the possible causes of OBDII code C124F in a 2017 GMC Sierra?

- Possible causes may include a faulty lateral acceleration sensor, damaged wiring or connectors in the sensor circuit, or a problem with the sensor's power supply.

4. How can I diagnose the issue related to OBDII code C124F in my 2017 GMC Sierra?

- Diagnosing the problem typically involves checking the lateral acceleration sensor for proper functioning, inspecting the sensor circuit for any damage or loose connections, and testing the sensor's voltage levels.

5. Can driving with OBDII code C124F present any risks in a 2017 GMC Sierra?

- While the vehicle may still be operable with this code, it is advisable to address the issue promptly to ensure the stability control system functions correctly in various driving conditions.

6. How can I repair OBDII code C124F in my 2017 GMC Sierra?

- Repair options may include replacing the lateral acceleration sensor if faulty, repairing any damaged wiring or connectors in the sensor circuit, and resetting the trouble code using an OBDII scanner.

7. Is it possible to reset the OBDII code C124F in a 2017 GMC Sierra without fixing the underlying issue?

- While you can clear the code temporarily with an OBDII scanner, it is important to address the root cause of the problem to prevent the code from reoccurring.

8. Are there any DIY tips for troubleshooting OBDII code C124F in a 2017 GMC Sierra?

- DIY tips may include visually inspecting the sensor and its connections for any obvious damage, checking for loose wiring, and ensuring the sensor is securely mounted in place.

9. Can extreme weather conditions affect the lateral acceleration sensor and trigger OBDII code C124F in a 2017 GMC Sierra?

- Extreme temperatures or moisture exposure can potentially impact the sensor's performance and lead to the detection of low voltage in the circuit, triggering the code.

10. How long does it typically take to repair OBDII code C124F in a 2017 GMC Sierra?

- The repair time can vary depending on the exact cause of the issue and the availability of parts, but it may range from a quick fix to a more involved repair that could take a few hours to complete.

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