EV Diagnostics
Source-backed diagnostic reference

P1404 EV diagnostic code

Heated Catalyst Current Too High During Heating 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 Current Too High During Heating Bank 2 Source
  • BUICK: Exhaust Gas Recirculation System Valve 2 Source
  • CADILLAC: Exhaust Gas Recirculation System Valve 2 Source
  • CHEVY: Exhaust Gas Recirculation System Valve 2 Source
  • CHRYSLER: Exhaust Gas Recirculation System Valve 2 Source
  • FORD: IAT - B Circuit Malfunction Exhaust Gas Recirculation Closed Position Performance Source
  • GM: Exhaust Gas Recirculation System Valve 2 Source
  • GMC: Exhaust Gas Recirculation System Valve 2 Source
  • LINCOLN: IAT B Circuit Malfunction Exhaust Gas Recirculation Closed Position Performance Source
  • MERCEDES: EGR Control Source
  • MERCURY: IAT B Circuit Malfunction Exhaust Gas Recirculation Closed Position Performance Source
  • OLDSMOBILE: Exhaust Gas Recirculation System Valve 2 Source
  • OTHER: IAT - B Circuit Malfunction/ Exhaust Gas Recirculation Closed Position Performance Source
  • PLYMOUTH: Exhaust Gas Recirculation System Valve 2 Source
  • PONTIAC: Exhaust Gas Recirculation System Valve 2 Source
  • SATURN: Exhaust Gas Recirculation System Valve 2 Source
  • VOLKSWAGEN: EGR Flow Adaptation Not Carried Out Source
  • GENERIC: IAT - B Circuit Malfunction/ Exhaust Gas Recirculation Closed Position Performance Source

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