I--- Toyota C052f14 -

The sensor itself can fail internally. It might send voltages outside the expected range (e.g., 5V reference shorted to ground).

Confirm your battery voltage is normal. If other low-voltage codes appear simultaneously, troubleshoot the battery or charging system first. i--- Toyota C052f14

If the internal motor relay or fail-safe relay fails, the entire assembly may need professional replacement. How to Reset the Code The sensor itself can fail internally

: Attempt to clear the code and drive the vehicle briefly to see if it resets, which confirms if it was a transient voltage dip. i--- Toyota C052f14