EGR System Codes: P0400, P0401, P0402, P0403, P0404, P0405, P0406, P0407, P0408, P0409 Explained | CrankKey

GarageEGR system

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Related: P0400 Meaning — EGR Flow Malfunction · P0401 Meaning — EGR Flow Insufficient Detected · P0402 Meaning — EGR Excessive Flow Detected · P0403 Meaning — EGR Solenoid Control Circuit Malfunction · P0404 Meaning — EGR Position Sensor Range/Performance · P0405 Meaning — EGR Sensor A Circuit Low · P0406 Meaning — EGR Sensor A Circuit High · EGR-flow cluster (P0400 / P0401 / P0402 / P0403) — the four-direction story · Camshaft-crankshaft cluster (P0016 / P0017 / P0018 / P0019) · Fuel-air metering cluster (P0171 / P0172 / P0174 / P0175) · O2 sensor cluster (P0133 / P0135 / P0136 / P0139 / P0140 / P0141) · Cylinder-misfire cluster (P0301 / P0302 / P0303) · Fuel-trim cluster (P0171 / P0172 / P0174 / P0175 / P0176) · Browse all OBD-II codes

CrankKey Check engine light guide Contact FAQ P0401 Meaning P0402 Meaning P0403 Meaning P0404 Meaning P0405 Meaning P0406 Meaning Fuel trim Forced Induction Chassis codes C0051 Meaning C0065 Meaning C0085 Meaning C0090 Meaning C0095 Meaning C1651 Meaning C2005 Meaning C2006 Meaning C0472 Meaning C2007 Meaning C0473 Meaning C2417 Meaning C0495 Meaning ABS / chassis codes ABS codes ABS solenoid codes EPB codes Restraint / SRS codes Wheel-speed sensor codes Codes by cluster P0420 Meaning Powertrain codes Ignition & misfire codes P0421 Meaning Trending fixes Catalyst codes Emissions codes O2 sensor codes