C1251 2017 Chevrolet Silverado 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 2017 Chevrolet Silverado 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 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC C1251 2017 Chevrolet Silverado?
- 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 2017 Chevrolet Silverado?
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 2017 Chevrolet Silverado 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 C1251 2017 Chevrolet Silverado Code
1. What does the OBDII code C1251 mean on a 2017 Chevrolet Silverado?
The C1251 code indicates a "Lateral Acceleration Sensor Performance" issue, meaning the sensor is not providing accurate data to the vehicle's stability control system.
2. What are the symptoms of code C1251 on a 2017 Chevrolet Silverado?
Common symptoms include the ABS or stability control warning light turning on, reduced traction control performance, and potential stability issues during sharp turns or slippery conditions.
3. What causes the C1251 code to appear on a 2017 Chevrolet Silverado?
Causes can include a faulty lateral acceleration sensor, poor electrical connections, damaged wiring, or issues with the ABS control module.
4. Can I drive my 2017 Chevrolet Silverado with the C1251 code active?
While the truck may still be drivable, stability and traction control systems may not function properly, increasing the risk of a skid or loss of control in adverse conditions.
5. Where is the lateral acceleration sensor located on a 2017 Chevrolet Silverado?
The lateral acceleration sensor is typically located under the center console or beneath the driver's seat, depending on the vehicle's configuration.
6. How do I fix the C1251 code on my 2017 Chevrolet Silverado?
Repair steps may include inspecting and replacing the lateral acceleration sensor, checking for damaged wiring or connectors, and resetting the system with a scan tool.
7. How much does it cost to fix the C1251 code on a 2017 Chevrolet Silverado?
The repair cost varies, but replacing the lateral acceleration sensor typically ranges from $150 to $300, depending on parts and labor rates.
8. Can a dead battery cause the C1251 code on a 2017 Chevrolet Silverado?
A weak or dead battery can cause voltage drops, which may trigger the code if the sensor's performance is affected during startup.
9. Do I need to recalibrate the system after replacing the lateral acceleration sensor?
Yes, recalibration using a diagnostic tool is often required after replacing the sensor to ensure proper functionality.
10. Can a software update fix the C1251 code on a 2017 Chevrolet Silverado?
In some cases, a software update for the ABS or stability control module may resolve the issue if it's related to a known software glitch.
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