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C0040 — Right Front Wheel Speed Sensor Circuit

ABS module lost right front wheel speed sensor signal.

Severity: HighRepair: $50-$350Difficulty: Easy

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Common symptoms of C0040

Common causes of C0040

Repair cost & difficulty

Typical cost to fix C0040: $50-$350 · Difficulty: Easy

Pro tip: Front wheel speed sensor wires are often damaged by road debris or during brake work.

Vehicles commonly affected

All makes

Related trouble codes

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ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.