C1139
Wheel Speed Sensor Center Tone Ring Missing Tooth Fault
C1139 is an OBD-II diagnostic trouble code meaning: Wheel Speed Sensor Center Tone Ring Missing Tooth Fault. Common causes: mechanical damage to the drive disc (for example, from impact or corrosion), contamination or dirt adhering to the disc. Estimated repair cost: $56–167.
Symptoms
- The ABS/ESP lamp on the dashboard is on
- Incorrect display of driving speed
- Disabling the ABS/ESP system
- Vibrations or noises from the wheel (in some cases)
Causes
- Mechanical damage to the drive disc (for example, from impact or corrosion)
- Contamination or dirt adhering to the disc
- Tooth wear due to long-term use
- Incorrect disk installation after repair
How to Fix
- Visual inspection of the drive disk for damage
- Cleaning the disc from dirt and contaminants
- Checking the wheel speed sensor mounting
- Replacing the master disk if damage is detected
- Resetting the error using an OBD-II scanner
Related codes
FAQ
What does the C1139 code mean?
C1139 is an OBD-II diagnostic trouble code that indicates: Wheel Speed Sensor Center Tone Ring Missing Tooth Fault
What causes a C1139 error code?
The most common causes of C1139 include: Mechanical damage to the drive disc (for example, from impact or corrosion); Contamination or dirt adhering to the disc; Tooth wear due to long-term use; Incorrect disk installation after repair.
How do I fix a C1139 diagnostic trouble code?
To fix C1139: Visual inspection of the drive disk for damage. Cleaning the disc from dirt and contaminants. Checking the wheel speed sensor mounting. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1139?
Do not drive — repair immediately
How much does it cost to fix C1139?
The estimated repair cost for C1139 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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