C1222
Speed Wheel Mismatch
C1222 is an OBD-II diagnostic trouble code meaning: Speed Wheel Mismatch. Common causes: different tire sizes or pressures, wheel speed sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- ABS or ESP indicator lights up
- Unstable operation of the stabilization system
- Errors in cruise control operation
- ABS activation during normal braking
Causes
- Different tire sizes or pressures
- Wheel speed sensor malfunction
- Damage to the sensor wiring harness
- Problems with the ring gear on the hub
- Malfunction of the ABS/ESP control unit
How to Fix
- Check tire sizes and pressures
- Visually inspect wheel speed sensors
- Check the resistance and integrity of the sensor wiring
- Scan the ABS/ESP system for other errors
- If necessary, replace faulty sensors or repair wiring
Related codes
FAQ
What does the C1222 code mean?
C1222 is an OBD-II diagnostic trouble code that indicates: Speed Wheel Mismatch
What causes a C1222 error code?
The most common causes of C1222 include: Different tire sizes or pressures; Wheel speed sensor malfunction; Damage to the sensor wiring harness; Problems with the ring gear on the hub.
How do I fix a C1222 diagnostic trouble code?
To fix C1222: Check tire sizes and pressures. Visually inspect wheel speed sensors. Check the resistance and integrity of the sensor wiring. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1222?
Limited driving only, diagnose soon
How much does it cost to fix C1222?
The estimated repair cost for C1222 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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