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Code

C0221

Brakes / ABS

Right front wheel speed sensor signal missing

The right front wheel speed signal is missing.

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Most likely causes

Faulty sensor
Damaged ring
Wiring fault

Symptoms you may notice

ABS light
No ABS function

Checks to run

Test the sensor
Inspect the ring

Tools you may need

Multimeter

Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.

Related codes in Brakes / ABS

Left front wheel speed sensor circuit malfunction

Right front wheel speed sensor circuit malfunction

Left rear wheel speed sensor circuit malfunction

Right rear wheel speed sensor circuit malfunction

Right front wheel speed sensor range / performance

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