C1254 2017 Chevrolet Silverado 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 2017 Chevrolet Silverado 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 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC C1254 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 C1254 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 C1254 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 C1254 2017 Chevrolet Silverado Code
1. What does the OBDII code C1254 mean on a 2017 Chevrolet Silverado?
The code C1254 indicates an issue with the Longitudinal Acceleration Sensor Performance, which is part of the vehicle's stability control system.
2. What are the common symptoms of code C1254 on a 2017 Chevrolet Silverado?
Symptoms may include the ABS or traction control warning light turning on, reduced stability control performance, and possible loss of traction control functions.
3. What causes the C1254 code to appear on a 2017 Chevrolet Silverado?
Common causes include a faulty longitudinal acceleration sensor, wiring issues, poor sensor connections, or a malfunctioning ABS control module.
4. Can a dirty or damaged sensor cause code C1254?
Yes, dirt, debris, or physical damage to the longitudinal acceleration sensor can lead to performance issues and trigger this code.
5. Where is the longitudinal acceleration sensor located on a 2017 Chevrolet Silverado?
The sensor is typically located near the center of the vehicle, often under the center console or mounted to the floorboard.
6. How can I fix code C1254 on my 2017 Chevrolet Silverado?
Repairs may involve replacing the longitudinal acceleration sensor, repairing damaged wiring or connections, or reprogramming the ABS control module if necessary.
7. Can I drive my 2017 Chevrolet Silverado with code C1254 active?
While the vehicle may still be drivable, stability and traction control systems may not function properly, increasing the risk of loss of control in certain driving conditions.
8. How do I diagnose code C1254 on a 2017 Chevrolet Silverado?
Use an OBDII scanner to confirm the code, inspect the longitudinal acceleration sensor and wiring for damage, and test sensor output to ensure proper functionality.
9. Does replacing the ABS control module fix code C1254?
Replacing the ABS control module may fix the issue if the module itself is faulty, but this should only be done after verifying the sensor and wiring are in good condition.
10. What is the cost to repair code C1254 on a 2017 Chevrolet Silverado?
Repair costs vary depending on the issue, but replacing the longitudinal acceleration sensor typically costs between $200 and $400, including parts and labor.
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