Engine-CodesCadillac – C1254 Cadillac

C1254 Cadillac Code - Longitudinal Acceleration Sensor Performance

Quick Answer

The C1254 Cadillac code indicates a problem with the Longitudinal Acceleration Sensor, which is responsible for measuring the vehicle's acceleration in a longitudinal direction (forward or backward). Common causes include Faulty Longitudinal Acceleration Sensor, Damaged wiring or connectors related to the sensor, Corrosion or debris affecting the sensor's performance. 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 Cadillac indicates Longitudinal Acceleration Sensor Performance.
Common causes
Common causes include Faulty Longitudinal Acceleration Sensor, Damaged wiring or connectors related to the sensor, Corrosion or debris affecting the sensor's performance.
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.
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code C1254 Cadillac Description

The C1254 Cadillac code indicates a problem with the Longitudinal Acceleration Sensor, which is responsible for measuring the vehicle's acceleration in a longitudinal direction (forward or backward). This sensor plays a crucial role in the vehicle's stability control system, as it helps in detecting any sudden changes in acceleration and adjusts the vehicle's systems accordingly to maintain stability and traction. When this sensor is not performing as expected, it can lead to issues with the vehicle's overall performance and safety.

OBDII Code C1254 Cadillac - Longitudinal Acceleration Sensor Performance
C1254 Cadillac Code - Longitudinal Acceleration Sensor Performance

Common Causes of C1254 Cadillac

  1. Faulty Longitudinal Acceleration Sensor.
  2. Damaged wiring or connectors related to the sensor.
  3. Corrosion or debris affecting the sensor's performance.
  4. Electronic control unit (ECU) issues.
  5. Impact or damage to the sensor due to a collision or rough driving conditions.

Symptoms of C1254 Cadillac

  1. ABS warning light illuminated on the dashboard.
  2. Traction control system engaging unexpectedly or not working properly.
  3. Vehicle stability control system malfunctioning.
  4. Loss of traction on slippery surfaces.
  5. Unusual or erratic braking behavior.

How to Fix C1254 Cadillac

  1. Diagnose the issue with a scan tool to confirm the C1254 code and pinpoint the exact cause of the problem.
  2. Inspect and test the Longitudinal Acceleration Sensor, wiring, and connectors for any damage or corrosion.
  3. Replace the faulty sensor if it is determined to be the root cause of the issue.
  4. Clear the diagnostic trouble codes and perform a test drive to ensure the problem has been resolved.
  5. If the issue persists, further diagnostics may be required to identify any underlying issues with the vehicle's stability control system.

Cost to Fix C1254 Cadillac

The typical repair costs for addressing a Longitudinal Acceleration Sensor performance issue can vary depending on the specific vehicle make and model, as well as the extent of the problem. In general, the cost of replacing the sensor and related parts can range from $150 to $500, with additional labor costs averaging between $100 and $300. However, it's important to note that these are rough estimates, and actual costs may vary based on factors such as the location of the repair shop, the type of vehicle, and any additional repairs or services needed. It is recommended to consult with a qualified mechanic or repair shop for a more accurate cost estimate.

Tech Notes for C1254 Cadillac





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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 C1254 Cadillac Code

What does the OBDII code C1254 mean for my Cadillac?

C1254 indicates a problem with the longitudinal acceleration sensor performance, which measures the vehicle's acceleration forces.

What symptoms might I experience if my Cadillac has a C1254 code?

Common symptoms include a warning light on the dashboard, reduced traction control performance, and potential issues with stability control.

What could cause the C1254 code to trigger?

Causes may include a faulty longitudinal acceleration sensor, wiring issues, bad connections, or problems within the vehicle's electronic stability control system.

How can I diagnose the C1254 code?

Start by using an OBDII scanner to confirm the code, then inspect the longitudinal acceleration sensor, wiring, and connectors for damage or corrosion.

What are some common repairs for a C1254 code?

Repairs may include replacing the longitudinal acceleration sensor, repairing damaged wiring, or cleaning corroded connections.

Can I drive my Cadillac with a C1254 code?

While it may be possible, driving with this code can impair traction and stability control, potentially compromising safety, so it's advisable to have it checked.

How much does it typically cost to repair a C1254 code?

Repair costs can vary widely, but replacing the sensor might range from $100 to $300 depending on labor and parts.

Is a C1254 code serious?

Yes, it can affect vehicle stability and traction control, so it should be addressed promptly to ensure safe driving conditions.

Will clearing the C1254 code fix the problem?

Clearing the code may temporarily turn off the warning light, but the underlying issue will still need to be diagnosed and repaired for a permanent fix.

Discuss the causes and fixes for C1254 Cadillac OBDII Code

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