C1254 Buick 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 Buick 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 Buick Description
What are the Possible Causes of the DTC C1254 Buick?
- 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 Buick?
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 Buick 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 Buick Code
What does the OBDII code C1254 mean for a Buick?
Code C1254 indicates a performance issue with the longitudinal acceleration sensor, which monitors changes in the vehicle's speed along its forward axis.
What are common symptoms of code C1254 in a Buick?
Symptoms may include the ABS or traction control warning light turning on and potential issues with the vehicle's stability or braking performance.
What causes the C1254 code to appear in a Buick?
Common causes include a faulty longitudinal acceleration sensor, wiring issues such as damaged or corroded connectors, or problems with the ABS control module.
Can a faulty longitudinal acceleration sensor affect driving safety?
Yes, a faulty sensor can impact the operation of ABS or traction control systems, potentially compromising vehicle stability during braking or rapid acceleration.
How is the C1254 code diagnosed in a Buick?
Technicians use a diagnostic scanner to read the code and check sensor readings, inspect wiring and connectors, and perform tests on the ABS system.
Can the C1254 code be fixed without replacing the sensor?
In some cases, cleaning or repairing damaged wiring and connectors may resolve the issue without replacing the sensor.
How much does it typically cost to repair the C1254 code in a Buick?
Repair costs vary but may range from $100 to $400, depending on whether the sensor, wiring, or ABS module needs to be replaced or repaired.
What tools are needed to fix code C1254?
Basic tools include a diagnostic scanner, multimeter for testing electrical connections, and possibly specialty tools for sensor replacement.
Can driving with the C1254 code cause further damage to a Buick?
While it may not cause immediate damage, ignoring the code can lead to compromised braking and stability systems, increasing the risk of an accident.
How can the C1254 code be prevented in a Buick?
Regular maintenance, including inspecting ABS wiring and connectors for damage, can help prevent sensor-related issues that trigger this code.
Discuss the causes and fixes for C1254 Buick OBDII Code
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