DTC codes / C05xx · Brakes, steering and suspension / C0516
C0516 means the anti-lock brake system (ABS) module has detected an intermittent or erratic signal from the right rear wheel speed sensor, identified as sensor A. The computer sees the signal drop out, spike, or become inconsistent when the vehicle is moving, so it logs the fault and may disable ABS and traction control.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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