C1250 2014 GMC Sierra Code - Lateral Acceleration Sensor Circuit High 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
- C1250 2014 GMC Sierra indicates Lateral Acceleration Sensor Circuit High 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.
Code C1250 2014 GMC Sierra Description
What are the Possible Causes of the DTC C1250 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 C1250 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 C1250 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.
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Frequently Asked Questions about C1250 2014 GMC Sierra Code
1. What does the OBDII code C1250 mean on a 2014 GMC Sierra?
The code C1250 indicates a problem with the lateral acceleration sensor circuit, specifically a high voltage condition detected by the system.
2. What are the common symptoms of code C1250 in a 2014 GMC Sierra?
Symptoms may include the ABS and traction control warning lights illuminating, reduced traction control functionality, or erratic handling behavior during turns.
3. What causes the C1250 code to appear on a 2014 GMC Sierra?
Common causes include a faulty lateral acceleration sensor, damaged or corroded wiring, poor sensor connections, or an issue with the ABS module.
4. Can I drive with the C1250 code active on my 2014 GMC Sierra?
While the truck may still be drivable, the ABS and stability control systems may not function properly, which could increase the risk of losing control in certain driving conditions.
5. How do I diagnose the C1250 code in a 2014 GMC Sierra?
Start by scanning the system with an OBDII scanner to confirm the code, visually inspect the lateral acceleration sensor and its wiring, and test the sensor voltage using a multimeter.
6. Where is the lateral acceleration sensor located on a 2014 GMC Sierra?
The lateral acceleration sensor is typically located under the center console or near the vehicle’s floor, close to the middle of the cabin.
7. How do I fix the C1250 code on a 2014 GMC Sierra?
Repairs may involve replacing the lateral acceleration sensor, repairing damaged wiring, cleaning corroded connectors, or updating the ABS module’s software.
8. How much does it cost to repair the C1250 code on a 2014 GMC Sierra?
The cost can vary but typically ranges from $150 to $400, depending on whether only the sensor needs replacement or additional repairs are required.
9. Can a weak battery cause the C1250 code on a 2014 GMC Sierra?
A weak or failing battery can sometimes cause electrical issues that trigger false codes, but this is less common for C1250. It’s still worth checking the battery and charging system.
10. Do I need to recalibrate the system after replacing the lateral acceleration sensor on a 2014 GMC Sierra?
Yes, after replacing the sensor, it’s usually necessary to recalibrate it using a scan tool to ensure proper functionality of the ABS and stability control systems.
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