B2458 — Aux Heater Overheat Sensor Circuit Short to Ground

What it means

B2458 is an OBD-II diagnostic trouble code: Aux Heater Overheat Sensor Circuit Short to Ground.

Typical fix

Confirm the code with an OBD-II scanner, then inspect the component or circuit named above. Consult a vehicle-specific service manual for the full diagnostic and repair procedure.