EV Diagnostics
Source-backed diagnostic reference

P1405 EV diagnostic code

Heated Catalyst Power Switch Overtemperature Condition Bank 2

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

  • BMW: Heated Catalyst Power Switch Overtemperature Condition Bank 2 Source
  • BUICK: Exhaust Gas Recirculation System Valve 3 Source
  • CADILLAC: Exhaust Gas Recirculation System Valve 3 Source
  • CHEVY: Exhaust Gas Recirculation System Valve 3 Source
  • CHRYSLER: Exhaust Gas Recirculation System Valve 3 Source
  • FORD: Differential Pressure Feedback Electronic Sensor Circuit Upstream Hose Source
  • GM: Exhaust Gas Recirculation System Valve 3 Source
  • GMC: Exhaust Gas Recirculation System Valve 3 Source
  • LINCOLN: Differential Pressure Feedback Electronic Sensor Circuit Upstream Hose Source
  • MAZDA: DPFE Sensor Upstream Hose Off Or Plugged Source
  • MERCURY: Differential Pressure Feedback Electronic Sensor Circuit Upstream Hose Source
  • OLDSMOBILE: Exhaust Gas Recirculation System Valve 3 Source
  • OTHER: DPFE Sensor Upstream Hose Off Or Plugged Source
  • PLYMOUTH: Exhaust Gas Recirculation System Valve 3 Source
  • PONTIAC: Exhaust Gas Recirculation System Valve 3 Source
  • SATURN: Exhaust Gas Recirculation System Valve 3 Source
  • TOYOTA: Turbo Pressure Sensor Circuit Source

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