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.

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P1400 — vehicles with official records naming this code

P1400 is named in NHTSA-published manufacturer communications or investigations for 16 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: 12 · Unique codes: 1.

Code Meaning System Scope Manufacturer Severity
P1400 Heated Catalyst Battery Voltage or Current Too Low During Heating Bank 1 Powertrain Manufacturer-specific BMW Not classified
P1400 Differential Pressure Feedback Electronic Sensor Circuit Low Voltage Powertrain Manufacturer-specific Ford Not classified
P1400 Exhaust Gas Recirculation Valve Postion Control Powertrain Manufacturer-specific Jaguar Not classified
P1400 Sub-TP Sensor Malfunction Powertrain Manufacturer-specific Lexus Not classified
P1400 Differential Pressure Feedback Electronic Sensor Circuit Low Voltage Powertrain Manufacturer-specific Lincoln Not classified
P1400 DPFE Sensor Circuit Low Input Powertrain Manufacturer-specific Mazda Not classified
P1400 Differential Pressure Feedback Electronic Sensor Circuit Low Voltage Powertrain Manufacturer-specific Mercury Not classified
P1400 Manifold Differential Pressure Sensor Circuit Powertrain Manufacturer-specific Mitsubishi Not classified
P1400 EGRC Solenoid Valve Powertrain Manufacturer-specific Nissan Not classified
P1400 Fuel Tank Pressure Control Solenoid Low Input Powertrain Manufacturer-specific Subaru Not classified
P1400 Sub-Throttle Position Sensor Powertrain Manufacturer-specific Toyota Not classified
P1400 EGR Valve Circuit Electrical Malfunction Powertrain Manufacturer-specific Volkswagen Not classified