C0520
Multi-axis Acceleration Sensor Module A
C0520 is an OBD-II diagnostic trouble code meaning: Multi-axis Acceleration Sensor Module A. Common causes: malfunction of the multi-axis acceleration sensor, wiring harness damage. Estimated repair cost: $56–167.
Symptoms
- Check engine light is on
- Disabling security systems
- Malfunctions in the cruise control
- Errors in the stabilization system
Causes
- Malfunction of the multi-axis acceleration sensor
- Wiring harness damage
- Poor contact in connectors
- Control unit software error
How to Fix
- Check the sensor and wiring harness connections
- Replace damaged wires or connectors
- Test the sensor using an OBD-II scanner
- Replace sensor if necessary
- Update control unit software
Related codes
Error C0520 by Vehicle Brand
FAQ
What does the C0520 code mean?
C0520 is an OBD-II diagnostic trouble code that indicates: Multi-axis Acceleration Sensor Module A
What causes a C0520 error code?
The most common causes of C0520 include: Malfunction of the multi-axis acceleration sensor; Wiring harness damage; Poor contact in connectors; Control unit software error.
How do I fix a C0520 diagnostic trouble code?
To fix C0520: Check the sensor and wiring harness connections. Replace damaged wires or connectors. Test the sensor using an OBD-II scanner. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0520?
Do not drive — repair immediately
How much does it cost to fix C0520?
The estimated repair cost for C0520 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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