Wheel Stud Failure Detected - Front Left
The C0820 code means the vehicle's onboard diagnostic system has detected: Wheel Stud Failure Detected - Front Left. This is a critical severity code.
- Keep driving?
- No -- stop driving
- DIY difficulty
- hard
- Estimated cost
- $250 - $700 (parts and labor)
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Common Symptoms
- Humming or grinding noise from wheel area
- ABS warning light on
- Wheel vibration at highway speeds
- Excessive play in wheel when jacked up
Probable Causes (Ranked by Likelihood)
- Worn wheel bearing Very High
- Damaged hub assembly ABS ring High
- Overtorqued or undertorqued hub bolts Moderate
- Water intrusion into bearing assembly Low
Step-by-Step Diagnostic Procedure
-
Jack up vehicle and check wheel bearing play
-
Listen for bearing noise during driving
-
Inspect hub assembly for ABS ring damage
-
Check hub bolt torque to specification
Frequently Asked Questions
What does code C0820 mean?
C0820 indicates a fault with the wheel stud failure detected - front left.
Can I drive with C0820?
Do not drive. Have the vehicle towed to a repair shop.
How much does it cost to fix C0820?
Typical repair costs are $250 - $700 (parts and labor).
Sources
This page is built from documented references. Verify against your own service info before repair work.
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