C0044
Right Front Wheel Speed Sensor Signal Erratic
Erratic pulses on the right front wheel speed sensor at speed. Wheel-speed signals feed ABS, ESC, traction control, transmission and odometer — a single dropped signal disables all of these safety functions until repaired.
Erratic pulses on the right front wheel speed sensor at speed. Wheel-speed signals feed ABS, ESC, traction control, transmission and odometer — a single dropped signal disables all of these safety functions until repaired.
Common causes
- high
Encoder ring contaminated with metal debris
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-500
- medium
Tone ring cracked
A plausible cause — test and verify before replacing parts.
Typical part cost: $90-500
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does C0044 mean?
C0044 means "Right Front Wheel Speed Sensor Signal Erratic". It is a generic OBD-II code that points to a fault in the chassis.
What are the most common causes of C0044?
encoder ring contaminated with metal debris; tone ring cracked; connector with intermittent contact under vibration — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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