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Home/Cars/Volkswagen/Golf/MK7 (2015-2019)/what does error code C0070 indicate for my Volkswagen Golf MK6 (2009-2014)

what does error code C0070 indicate for my Volkswagen Golf MK6 (2009-2014)

Volkswagen Golf MK7 (2015-2019)

Error Codes
Severity: highDifficulty: mediumError Code: C00702-4 hours
3 min read
549 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix C0070 steering angle sensor issues in Volkswagen Golf MK6. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
C0070
Affected Component
Steering
Estimated Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems to avoid shock or short circuits.
  • ⚠Allow the vehicle to cool down if the steering components were recently in use to prevent burns.

Symptoms

  • •Check engine light illuminated
  • •Steering feels unresponsive or inconsistent
  • •Vehicle stability control warning light activated
  • •Poor handling or drifting during turns
  • •Incorrect or absent readings on the dashboard display related to steering

Diagnostic Steps

  1. 1Scan the vehicle's computer using an OBD-II scanner to confirm the C0070 error code and check for any additional codes.
  2. 2Inspect the steering angle sensor wiring and connectors for visible damage or corrosion.
  3. 3Measure the voltage output of the steering angle sensor using a multimeter to ensure it is within the manufacturer’s specifications.
  4. 4Perform a calibration of the steering angle sensor using a diagnostic tool if applicable.
  5. 5Check the vehicle's battery voltage to ensure it is within normal operating ranges (12.4-12.6 volts when off, 13.7-14.7 volts when running).
  6. 6Test drive the vehicle to observe if the error code reappears after clearing it.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface and the ignition is off.
  • Disconnect the battery to prevent electrical shorts.

2. Inspect and Repair Wiring

  • Tools Required: Wire cutter/stripper, electrical tape, multimeter
  • Inspect the wiring harness leading to the steering angle sensor for frays or damage.
  • Repair any damaged wires using appropriate splicing methods and secure with electrical tape.

3. Replace Steering Angle Sensor (if necessary)

  • Tools Required: Socket set, torque wrench
  • Locate the steering angle sensor, typically mounted on the steering column or near the steering rack.
  • Disconnect the electrical connector from the sensor.
  • Remove any mounting screws or clips holding the sensor in place.
  • Install the new steering angle sensor, ensuring it is securely fastened.
  • Reconnect the electrical connector.

4. Calibration

  • Tools Required: Diagnostic scan tool
  • With the new sensor installed, use a diagnostic scan tool to perform a calibration of the steering angle sensor.
  • Follow the specific calibration procedure for the Volkswagen Golf MK6 as outlined in the service manual.

5. Final Inspection and Reconnect Battery

  • Inspect all connections and ensure they are secure.
  • Reconnect the vehicle's battery.
  • Clear any fault codes using the OBD-II scanner and perform a test drive.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •OBD-II scanner
  • •Multimeter
  • •Socket set
  • •Torque wrench
  • •Wire cutter/stripper
  • •Diagnostic scan tool

Parts Required

  • •Steering angle sensor (if replacement is needed)

Additional Information

Error Code
C0070
Affected Component
Steering
Estimated Time
2-4 hours
Difficulty
medium
Severity
high
Tools Required
6 items
Parts Required
1 item

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