EV Diagnostics
Source-backed diagnostic reference

P1401 EV diagnostic code

Heated Catalyst Current Too High During Heating Bank 1

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 1 Source
  • FORD: Differential Pressure Feedback Electronic Sensor Circuit High Voltage Source
  • JAGUAR: Exhaust Gas Recirculation Valve Postion Circuit Source
  • KIA: EGR Control Solenoid Circuit Signal Low Source
  • LEXUS: EGR Valve Position Sensor Circuit Malfunction Source
  • LINCOLN: Differential Pressure Feedback Electronic Sensor Circuit High Voltage Source
  • MAZDA: DPFE Sensor Circuit High Input Source
  • MERCEDES: EGR Lifting Sender B283 Source
  • MERCURY: Differential Pressure Feedback Electronic Sensor Circuit High Voltage Source
  • NISSAN: EGR Temperature Sensor Source
  • OTHER: DPFE Circuit High Input Source
  • SUBARU: Fuel Tank Pressure Control System Performance Source
  • TOYOTA: Sub-Throttle Position Sensor Range Performance Problem Source
  • VOLKSWAGEN: EGR Valve Power Stage Short To Ground Source
  • GENERIC: DPFE Circuit High Input Source

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