C0520

Multi-axis Acceleration Sensor Module A

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

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

B0020 B0021 C0521