C1158
Left Front Wheel Speed Sensor Input Signal Erratic
C1158 is an OBD-II diagnostic trouble code meaning: Left Front Wheel Speed Sensor Input Signal Erratic. Common causes: damaged or dirty wheel speed sensor, open or short circuit in wiring harness. Estimated repair cost: $33–89.
Symptoms
- The ABS/ESP light on the dashboard comes on
- Unstable operation of ABS or ESP
- Disabling cruise control
- Incorrect speed readings on the speedometer
Causes
- Damaged or dirty wheel speed sensor
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Damaged gear rotor (comb) on the hub
- ABS/ESP module malfunction
How to Fix
- Check the integrity of the wheel speed sensor and its fastening
- Inspect the wiring harness and connectors for damage.
- Clean the sensor and gear rotor from dirt
- Check the sensor resistance (usually 800-2200 Ohm)
- Check the sensor signal using an oscilloscope or diagnostic scanner
- Replace the sensor if necessary
Related codes
FAQ
What does the C1158 code mean?
C1158 is an OBD-II diagnostic trouble code that indicates: Left Front Wheel Speed Sensor Input Signal Erratic
What causes a C1158 error code?
The most common causes of C1158 include: Damaged or dirty wheel speed sensor; Open or short circuit in wiring harness; Poor contact in the sensor connector; Damaged gear rotor (comb) on the hub.
How do I fix a C1158 diagnostic trouble code?
To fix C1158: Check the integrity of the wheel speed sensor and its fastening. Inspect the wiring harness and connectors for damage.. Clean the sensor and gear rotor from dirt. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1158?
Limited driving only, diagnose soon
How much does it cost to fix C1158?
The estimated repair cost for C1158 is $33–89. Actual cost depends on your vehicle, location, and labor rates.
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