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how to check for C-codes in Tesla Model 3 Original (2017-2023)? - Tesla Model 3
Home/Cars/Tesla/Model 3/Highland (2024-present)/how to check for C-codes in Tesla Model 3 Original (2017-2023)?

how to check for C-codes in Tesla Model 3 Original (2017-2023)?

Tesla Model 3 Highland (2024-present)

Error Codes
30 minutes to 1 hour
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
2 min read
396 words

Problem Statement

Learn how to check for C-codes in Tesla Model 3 (2017-2023). Step-by-step diagnostic process to identify chassis issues and ensure vehicle performance.

Affected Component
Suspension
Estimated Time
30 minutes to 1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Ensure the vehicle is in 'Park' and on a flat surface during diagnostic checks.

Symptoms

  • •Inability to access certain vehicle features
  • •Warning lights on the instrument cluster
  • •Poor vehicle handling or performance issues
  • •Abnormal tire pressure readings
  • •Unusual sounds from the suspension or steering

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

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 Bluetooth adapter
  • •Smartphone with compatible diagnostic app

Parts Required

  • •None specifically for checking C-codes, but may require parts if issues are identified.

Additional Information

Affected Component
Suspension
Estimated Time
30 minutes to 1 hour
Difficulty
medium
Severity
medium
Tools Required
2 items
Parts Required
1 item

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Solution
1. Preparation
  • Ensure the vehicle is parked safely and power is on.
  • Have a compatible OBD-II Bluetooth adapter ready.
  • Download and install a compatible app on your smartphone (e.g., ScanMyTesla).
2. Connect OBD-II Adapter
  • Locate the OBD-II port under the dashboard near the driver's side.
  • Plug in the OBD-II Bluetooth adapter securely.
  • Turn on the vehicle’s accessory power if not already on.
3. Scan for C-Codes
  • Open the installed app on your smartphone.
  • Connect to the OBD-II adapter via Bluetooth.
  • Select the option to read chassis codes (C-codes).
  • Wait for the app to complete the scanning process.
4. Interpret Codes
  • Review the displayed C-codes in the app.
  • Refer to the app or Tesla’s documentation for code descriptions.
5. Address Issues
  • If C-codes are present, note their meanings and recommended actions.
  • Clear any non-critical codes if applicable, following app instructions.