garajizOBD-II code · manufacturer-specific
C1091
Speed Wheel Sensor All Coherency Failure
- System
- C — Chassis (ABS / brakes / suspension)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does C1091 mean?
C1091 is defined as “Speed Wheel Sensor All Coherency Failure”.
Drive gently and only as far as you need to; have it checked as soon as possible.
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This page is general information; an exact diagnosis needs measurements and a technician’s check.