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Home/Cars/Subaru/Outback/4th Generation (2010-2014)/what does C1201 code mean for my Tesla Outback 4th Generation (2010-2014)

what does C1201 code mean for my Tesla Outback 4th Generation (2010-2014)

Subaru Outback 4th Generation (2010-2014)

Error Codes
Severity: highDifficulty: mediumError Code: C12012-4 hours
3 min read
503 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 C1201 ABS issue in Tesla Outback 2010-2014. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
C1201
Affected Component
Brakes
Estimated Time
2-4 hours

Safety Warnings

  • ⚠Always disconnect the battery before working on electrical systems to prevent shorts.
  • ⚠Allow the vehicle to cool before performing any repairs on the brake system.

Symptoms

  • •ABS warning light illuminated on the dashboard
  • •Traction control light illuminated
  • •Erratic braking response
  • •Loss of ABS functionality
  • •Increased stopping distance

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to confirm C1201 and check for any additional codes.
  2. 2Inspect the wheel speed sensors for damage, dirt, or disconnection.
  3. 3Check the wiring and connectors for the wheel speed sensors for shorts or corrosion.
  4. 4Test the resistance of the wheel speed sensors with a multimeter to ensure they are within manufacturer specifications.
  5. 5Verify ABS module operation by performing a self-test if the vehicle's diagnostic tool allows.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface and the ignition is off.

2. Inspect Wheel Speed Sensors

  • Sub-steps:
    • Remove the wheel that corresponds to the error code detected.
    • Locate the wheel speed sensor on the hub assembly.
    • Visually inspect the sensor for physical damage or debris.
  • Tools Required: Jack and jack stands, lug wrench.

3. Check Wiring and Connectors

  • Sub-steps:
    • Follow the wiring harness from the wheel speed sensor to the ABS module.
    • Look for any signs of wear, fraying, or corrosion.
    • Disconnect the sensor connector and inspect for any bent pins or corrosion; clean if necessary.
  • Tools Required: Multimeter, wire brush.

4. Test Wheel Speed Sensor

  • Sub-steps:
    • Use a multimeter to measure the resistance of the sensor. Refer to the vehicle service manual for the specific resistance values.
    • If the sensor is out of specification, replace it with a new sensor.
  • Tools Required: Multimeter.

5. Reassembly and Reset

  • Sub-steps:
    • Reconnect any sensors and wiring that were disconnected during inspection.
    • Replace the wheel and lower the vehicle.
    • Clear the error codes using the OBD-II scanner.
  • Tools Required: OBD-II scanner.

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
  • •Jack and jack stands
  • •Lug wrench

Parts Required

  • •Wheel speed sensor (if replacement is necessary)
  • •Electrical connectors (if damaged)

Additional Information

Error Code
C1201
Affected Component
Brakes
Estimated Time
2-4 hours
Difficulty
medium
Severity
high
Tools Required
4 items
Parts Required
2 items

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