what does it mean if my Volkswagen Golf MK6 (2009-2014) has a C1240 code related to steering

Learn how to diagnose and fix C1240 steering issue in Volkswagen Golf MK6. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the vehicle's battery to ensure safety while working on electrical components.

2. Inspect and Test the Steering Angle Sensor

• Tools Required: Multimeter, socket set, torque wrench.
• Sub-steps:
  1. Locate the steering angle sensor, usually mounted on the steering column.
  2. Disconnect the sensor's electrical connector.
  3. Use a multimeter to check for voltage at the connector. The voltage should match the specifications in the service manual.
  4. If the voltage is absent, trace the wiring back to find any breaks or shorts.
  5. If the sensor is functioning but still throwing the code, replace the steering angle sensor.

3. Replace the Steering Angle Sensor (if needed)

• Tools Required: Socket set, torque wrench.
• Sub-steps:
  1. Remove any covers obstructing access to the steering angle sensor.
  2. Unbolt the sensor from its mount (note torque specifications for reinstallation).
  3. Install the new sensor and torque to manufacturer specifications.
  4. Reconnect the electrical connector securely.

4. Recalibrate the Steering Angle Sensor

• Tools Required: OBD-II scanner capable of performing sensor calibration.
• Sub-steps:
  1. Reconnect the vehicle's battery.
  2. Start the engine and use the OBD-II scanner to navigate to the steering angle sensor calibration menu.
  3. Follow the on-screen instructions to complete the calibration process.