OBD-II Code Decoder

Search the licensed P, B, C, and U reference library by code, definition, system, or manufacturer. Reference-only results are not a complete diagnosis.

  • 12,128 OBD-II codes
  • 18,805 reference definitions
  • 16,185 publicly searchable across 10,181 codes

Review-withheld definitions are excluded; lookup records are not published diagnostic pages.

Clear filters

P1401 — vehicles with official records naming this code

P1401 is named in NHTSA-published manufacturer communications or investigations for 15 vehicle families, including:

A code named in a manufacturer communication means the document refers to it for those vehicles. It is not a diagnosis of any car, and it does not mean the code is common on that vehicle.

Matching definitions: 14 · Unique codes: 1.

Code Meaning System Scope Manufacturer Severity
P1401 Heated Catalyst Current Too High During Heating Bank 1 Powertrain Manufacturer-specific BMW Not classified
P1401 Differential Pressure Feedback Electronic Sensor Circuit High Voltage Powertrain Manufacturer-specific Ford Not classified
P1401 DPFE Circuit High Input Powertrain Generic Not manufacturer-specific Not classified
P1401 Exhaust Gas Recirculation Valve Postion Circuit Powertrain Manufacturer-specific Jaguar Not classified
P1401 EGR Control Solenoid Circuit Signal Low Powertrain Manufacturer-specific Kia Not classified
P1401 EGR Valve Position Sensor Circuit Malfunction Powertrain Manufacturer-specific Lexus Not classified
P1401 Differential Pressure Feedback Electronic Sensor Circuit High Voltage Powertrain Manufacturer-specific Lincoln Not classified
P1401 DPFE Sensor Circuit High Input Powertrain Manufacturer-specific Mazda Not classified
P1401 EGR Lifting Sender B283 Powertrain Manufacturer-specific Mercedes-Benz Not classified
P1401 Differential Pressure Feedback Electronic Sensor Circuit High Voltage Powertrain Manufacturer-specific Mercury Not classified
P1401 EGR Temperature Sensor Powertrain Manufacturer-specific Nissan Not classified
P1401 Fuel Tank Pressure Control System Performance Powertrain Manufacturer-specific Subaru Not classified
P1401 Sub-Throttle Position Sensor Range Performance Problem Powertrain Manufacturer-specific Toyota Not classified
P1401 EGR Valve Power Stage Short To Ground Powertrain Manufacturer-specific Volkswagen Not classified