P14xx OBD-II Codes (P1400–P1499)

100 fault codes in the P14xx range. Click any code for causes, diagnostic steps, severity, and common fixes.

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

EGR System (Ford: EGR Metering Orifice Restricted; Nissan/Infiniti: EGR Function/Flow Stuck Open)

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

DPFE (Differential Pressure Feedback EGR) Sensor Circuit — High Voltage (Ford)

EGR Valve Position Sensor Performance (Ford: DPFE / EGR pintle-position circuit; also GM/Isuzu)

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

EGR Vacuum Regulator Solenoid Circuit Malfunction (GM)

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Unable To Bleed Up Vacuum in the EVAP / Fuel Tank (Ford). NOTE: the vent-solenoid-circuit code is P1451, not this.

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Low Fan Control Primary Circuit Malfunction (Ford)

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

Manufacturer-specific powertrain code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

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