P1405 — BMW — Heated Catalyst Power Switch Overtemperature Condition Bank 2

P1405 (BMW): Heated Catalyst Power Switch Overtemperature Condition Bank 2 — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Heated Catalyst Power Switch Overtemperature Condition Bank 2. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain