C0551 – BMW DTC

BMW DTC C0551 – Longitudinal Acceleration Sensor Circuit/Open

DTC C0551 meaning on BMW

DTC C0551 on a BMW refers to a fault with the Longitudinal Acceleration Sensor Circuit being open or having a poor connection. The Longitudinal Acceleration Sensor is responsible for measuring the vehicle’s acceleration in the forward or backward direction.

BMW DTC C0551 symptoms

Symptoms of DTC C0551 on a BMW may include:

  • ABS warning light illuminated on the dashboard
  • Traction control system malfunction
  • Stability control system not functioning properly

BMW DTC C0551 causes

Common causes of DTC C0551 on a BMW include:

  • Loose or damaged wiring in the Longitudinal Acceleration Sensor circuit
  • Corrosion or poor connections in the sensor circuit
  • Faulty Longitudinal Acceleration Sensor

BMW DTC C0551 seriousness

The seriousness of DTC C0551 on a BMW lies in the potential compromise of the vehicle’s safety systems. Issues with the Longitudinal Acceleration Sensor can affect the proper functioning of the ABS, traction control, and stability control systems, leading to reduced vehicle stability and control.

How to diagnose DTC C0551 on BMW

To diagnose DTC C0551 on a BMW, follow these steps:

  1. Use a diagnostic scanner to retrieve the fault codes from the vehicle’s computer
  2. Inspect the wiring and connections in the Longitudinal Acceleration Sensor circuit for any damage or corrosion
  3. Test the Longitudinal Acceleration Sensor for proper functionality

How to fix DTC C0551 on BMW

To fix DTC C0551 on a BMW, you can:

  1. Repair or replace any damaged wiring in the Longitudinal Acceleration Sensor circuit
  2. Clean or repair any corroded connections in the sensor circuit
  3. Replace the Longitudinal Acceleration Sensor if it is found to be faulty

How to erase DTC C0551 on BMW

To erase DTC C0551 on a BMW, you can:

  1. Use a diagnostic scanner to clear the fault codes from the vehicle’s computer
  2. Ensure that the underlying issue causing the fault code has been resolved
  3. Perform a test drive to confirm that the fault code does not reappear