Right Front Wheel Speed Comparative Performance
The C0077 code means the vehicle's onboard diagnostic system has detected: Right Front Wheel Speed Comparative Performance. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- moderate
- Estimated cost
- $150 - $500 (parts and labor)
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Common Symptoms
- ABS warning light on
- Right Front wheel speed reading abnormal
- Traction control malfunction
- Stability control warning
Probable Causes (Ranked by Likelihood)
- Failed right front wheel speed sensor Very High
- Damaged right front sensor wiring High
- Faulty tone ring or reluctor Moderate
- ABS module input failure Low
Step-by-Step Diagnostic Procedure
-
Monitor right front wheel speed data on scan tool
-
Inspect right front sensor and wiring
-
Check right front tone ring condition
-
Compare all wheel speed sensor readings
Frequently Asked Questions
What does code C0077 mean?
C0077 indicates a fault in the right front wheel speed comparative performance that affects ABS and related safety systems.
Can I drive with C0077?
You can drive short distances, but ABS and stability control may be affected.
How much does it cost to fix C0077?
Typical repair costs range from $150 - $500 including parts and labor.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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