C1155
Left Front Wheel Speed Sensor Input Circuit Failure
C1155 is an OBD-II diagnostic trouble code meaning: Left Front Wheel Speed Sensor Input Circuit Failure. Common causes: wheel speed sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $33–167.
Symptoms
- The ABS or ESP light on the dashboard is on
- Disabling the ABS or ESP system
- Incorrect operation of cruise control
- Errors in the operation of the tire pressure monitoring system
Causes
- Wheel speed sensor malfunction
- Open or short circuit in wiring harness
- Damage to the sensor connector
- Contamination or damage to the toothed ring on the CV joint
- Problems with the ABS control unit
How to Fix
- Visual inspection of the sensor and its wires
- Checking the sensor resistance (usually 800-2200 ohms)
- Checking the integrity of the wiring harness
- Checking the gap between the sensor and the toothed ring
- Replace the sensor or repair the wiring harness if necessary
- Cleaning the connector contacts
- Checking the condition of the gear ring
Related codes
FAQ
What does the C1155 code mean?
C1155 is an OBD-II diagnostic trouble code that indicates: Left Front Wheel Speed Sensor Input Circuit Failure
What causes a C1155 error code?
The most common causes of C1155 include: Wheel speed sensor malfunction; Open or short circuit in wiring harness; Damage to the sensor connector; Contamination or damage to the toothed ring on the CV joint.
How do I fix a C1155 diagnostic trouble code?
To fix C1155: Visual inspection of the sensor and its wires. Checking the sensor resistance (usually 800-2200 ohms). Checking the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1155?
Limited driving only, diagnose soon
How much does it cost to fix C1155?
The estimated repair cost for C1155 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat