C1043
Left Rear Tone Wheel Performance
C1043 is an OBD-II diagnostic trouble code meaning: Left Rear Tone Wheel Performance. Common causes: mechanical damage to the tone ring, contamination of ring teeth (dirt, rust). Estimated repair cost: $33–111.
Symptoms
- The ABS/ESP indicator on the dashboard is on
- Disabling the ABS system
- Incorrect operation of the stabilization system
- Clicking or grinding noises from the wheel area
Causes
- Mechanical damage to the tone ring
- Contamination of ring teeth (dirt, rust)
- Tone ring deformation
- Wheel bearing wear
- Incorrect gap between ABS sensor and ring
- Short circuit in the sensor circuit
How to Fix
- Visually inspect the tone ring for damage
- Cleaning ring teeth from dirt
- Checking wheel hub runout
- Measuring the gap between the sensor and the ring
- Replacing a damaged tone ring if necessary
- Checking and replacing the ABS sensor if faults are detected
- Wheel Speed Sensor Circuit Diagnostics
Related codes
FAQ
What does the C1043 code mean?
C1043 is an OBD-II diagnostic trouble code that indicates: Left Rear Tone Wheel Performance
What causes a C1043 error code?
The most common causes of C1043 include: Mechanical damage to the tone ring; Contamination of ring teeth (dirt, rust); Tone ring deformation; Wheel bearing wear.
How do I fix a C1043 diagnostic trouble code?
To fix C1043: Visually inspect the tone ring for damage. Cleaning ring teeth from dirt. Checking wheel hub runout. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1043?
Limited driving only, diagnose soon
How much does it cost to fix C1043?
The estimated repair cost for C1043 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
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