Tuesday, February 14, 2023

C1144 C1143, C1144 STEERING ANGLE SENSOR

The C1143 and C1144 error codes in a Nissan typically refer to a problem with the steering angle sensor. The steering angle sensor is an electronic component that is responsible for monitoring the position and movement of the steering wheel.

When the Electronic Control Module (ECM) detects an issue with the steering angle sensor or its circuit, it may set the C1143 or C1144 code and turn on the ABS (anti-lock brake system) warning light, traction control warning light or stability control warning light. In some cases, this may also affect the performance of the vehicle's ABS or stability control systems.

The most common cause of a C1143 or C1144 code is a faulty steering angle sensor. However, it is also possible that there is an issue with the wiring or connections related to the sensor. A qualified mechanic will need to perform a diagnostic test to determine the exact cause of the problem.

If the problem is a faulty steering angle sensor, the sensor will need to be replaced. This is typically a straightforward repair that involves removing the old sensor and installing a new one. If the issue is with the wiring or connections, the mechanic may need to repair or replace the affected components.

It is important to address the C1143 or C1144 code as soon as possible, as a malfunctioning steering angle sensor can affect the vehicle's safety by causing problems with the ABS or stability control systems.


Replacing the steering angle sensor to fix the C1143 or C1144 error codes typically requires the following steps:

  1. Disconnect the battery: The first step is to disconnect the negative terminal of the battery to prevent any electrical shorts or other hazards during the replacement process.

  2. Locate the steering angle sensor: The steering angle sensor is typically located in the steering column, often near the steering wheel or the steering rack. You may need to consult your vehicle's service manual or online resources for specific instructions on locating the sensor.


  3. Remove the old sensor: Once you have located the sensor, you will need to remove it from the steering column. This may require removing some other components such as the steering wheel or steering column cover to gain access to the sensor. Be sure to carefully follow any instructions or precautions specific to your vehicle.

  4. Install the new sensor: Once you have removed the old sensor, you can install the new sensor in its place. Be sure to follow the manufacturer's instructions for installing and securing the sensor, and take care not to damage any other components or wiring in the process.

  5. Reconnect the battery: After the new sensor is installed and all other components are replaced, reconnect the battery and test the steering angle sensor to ensure it is working correctly. You may need to perform a steering angle reset procedure or other diagnostic tests to calibrate the new sensor.

It is recommended to have a qualified mechanic perform this repair, as steering components are critical to the safe operation of the vehicle. They will have the necessary tools, equipment, and experience to ensure that the replacement is done correctly and safely.