C05A3
Wheel Speed Sensors Supply Circuit High
C05A3 is an OBD-II diagnostic trouble code meaning: Wheel Speed Sensors Supply Circuit High. Common causes: short circuit in wiring harness, wheel speed sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- ABS/ESP indicator is on
- Disabling ABS, ESP, cruise control systems
- Unstable speedometer readings
- Loss of traction due to wheel slip
Causes
- Short circuit in wiring harness
- Wheel speed sensor malfunction
- Connector damage or corrosion
- Problems with the ABS/ESP control unit
- Open or short to ground in the power supply circuit
How to Fix
- Visual inspection of the wiring harness and connectors
- Checking the resistance of wheel speed sensors
- Checking the voltage at the sensor connectors
- Replacing damaged wires or sensors
- Reset error code and test drive
Related codes
Error C05A3 by Vehicle Brand
FAQ
What does the C05A3 code mean?
C05A3 is an OBD-II diagnostic trouble code that indicates: Wheel Speed Sensors Supply Circuit High
What causes a C05A3 error code?
The most common causes of C05A3 include: Short circuit in wiring harness; Wheel speed sensor malfunction; Connector damage or corrosion; Problems with the ABS/ESP control unit.
How do I fix a C05A3 diagnostic trouble code?
To fix C05A3: Visual inspection of the wiring harness and connectors. Checking the resistance of wheel speed sensors. Checking the voltage at the sensor connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C05A3?
Limited driving only, diagnose soon
How much does it cost to fix C05A3?
The estimated repair cost for C05A3 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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