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CarOBDCodes

The code is a starting point

Look up an OBD-II trouble code.

Search 3,195 reference definitions. Check the code description first, then confirm it applies to your vehicle before following a diagnostic procedure.

P

Powertrain

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B

Body

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C

Chassis

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U

Network

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Manufacturer-specific descriptions can vary with model, engine and year. This directory preserves the supplied reference data; it is not a substitute for vehicle-specific service information. Detailed guides identify their sources and reviewer.

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P0381Glow Plug/Heater Indicator Circuit MalfunctionP0382Glow Plug/Heater Circuit “B” MalfunctionP0385Crankshaft Position Sensor B Circuit MalfunctionP0386Crankshaft Position Sensor B Circuit Range/PerformanceP0387Crankshaft Position Sensor B Circuit Low InputP0388Crankshaft Position Sensor B Circuit High InputP0389Crankshaft Position Sensor B Circuit IntermittentP0400Exhaust Gas Recirculation Flow MalfunctionP0401Exhaust Gas Recirculation Flow Insufficient DetectedP0402Exhaust Gas Recirculation Flow Excessive DetectedP0403Exhaust Gas Recirculation Circuit MalfunctionP0404Exhaust Gas Recirculation Circuit Range/PerformanceP0405Exhaust Gas Recirculation Sensor A Circuit LowP0406Exhaust Gas Recirculation Sensor A Circuit HighP0407Exhaust Gas Recirculation Sensor B Circuit LowP0408Exhaust Gas Recirculation Sensor B Circuit HighP0410Secondary Air Injection System MalfunctionP0411Secondary Air Injection System Incorrect Flow DetectedP0412Secondary Air Injection System Switching Valve A Circuit MalfunctionP0413Secondary Air Injection System Switching Valve A Circuit OpenP0414Secondary Air Injection System Switching Valve A Circuit ShortedP0415Secondary Air Injection System Switching Valve B Circuit MalfunctionP0416Secondary Air Injection System Switching Valve B Circuit OpenP0417Secondary Air Injection System Switching Valve B Circuit ShortedP0418Secondary Air Injection System Relay A circuit MalfunctionP0419Secondary Air Injection System Relay B Circuit MalfunctionP0420Catalyst System Efficiency Below Threshold (Bank 1)P0421Warm Up Catalyst Efficiency Below Threshold (Bank 1)P0422Main Catalyst Efficiency Below Threshold (Bank 1)P0423Heated Catalyst Efficiency Below Threshold (Bank l)P0424Heated Catalyst Temperature Below Threshold (Bank 1)P0430Catalyst System Efficiency Below Threshold (Bank 2)P0431Warm Up Catalyst Efficiency Below Threshold (Bank 2)P0432Main Catalyst Efficiency Below Threshold (Bank 2)P0433Heated Catalyst Efficiency Below Threshold (Bank 2)P0434Heated Catalyst Temperature Below Threshold (Bank 2)P0440Evaporative Emission Control System MalfunctionP0441Evaporative Emission Control System Incorrect Purge flowP0442Evaporative Emission Control System leak Detected (small leak)P0443Evaporative Emission Control System Purge Control Valve circuit MalfunctionP0444Evaporative Emission Control System Purge Control Valve Circuit OpenP0445Evaporative Emission Control System Purge Control Valve Circuit ShortedP0446Evaporative Emission Control System Vent Control Circuit MalfunctionP0447Evaporative Emission Control System Vent Control Circuit OpenP0448Evaporative Emission Control System Vent Control Circuit ShortedP0449Evaporative Emission Control System Vent Valve/Solenoid Circuit MalfunctionP0450Evaporative Emission Control System Pressure Sensor MalfunctionP0451Evaporative Emission Control System Pressure Sensor Range/PerformanceP0452Evaporative Emission Control System Pressure Sensor Low InputP0453Evaporative Emission Control System Pressure Sensor High Input

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