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DaVinci Deluxe Cloud Edition (v1.0.44)

🔍 OBD2 Diesel & Petrol DTC Fault Code Engineering Reference

Search diagnostic trouble codes and resolve root subsystem switches cleanly in DaVinci Deluxe Cloud Edition (v1.0.44).

Open Interactive DTC Dictionary → Online ECU Checksum Tool → ECU HW/SW Identifier →
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DTC CodeOBD2 / OEM DescriptionSubsystemLookup
P0420Catalyst System Efficiency Below Threshold (Bank 1)Catalyst / Lambda / Stage 2Lookup P0420 →
P0430Catalyst System Efficiency Below Threshold (Bank 2)Catalyst / Lambda / Stage 2Lookup P0430 →
P0401Exhaust Gas Recirculation (EGR) Flow Insufficient DetectedEGR OffLookup P0401 →
P0402Exhaust Gas Recirculation (EGR) Flow Excessive DetectedEGR OffLookup P0402 →
P0403Exhaust Gas Recirculation (EGR) Control Circuit MalfunctionEGR OffLookup P0403 →
P0404Exhaust Gas Recirculation (EGR) Control Circuit Range/PerformanceEGR OffLookup P0404 →
P0405Exhaust Gas Recirculation Sensor A Circuit LowEGR OffLookup P0405 →
P0489Exhaust Gas Recirculation Control Circuit LowEGR OffLookup P0489 →
P0490Exhaust Gas Recirculation Control Circuit HighEGR OffLookup P0490 →
P2002Diesel Particulate Filter (DPF) Efficiency Below Threshold (Bank 1)DPF / FAP OffLookup P2002 →
P242FDiesel Particulate Filter Restriction — Ash AccumulationDPF / FAP OffLookup P242F →
P2452Diesel Particulate Filter Differential Pressure Sensor CircuitDPF / FAP OffLookup P2452 →
P2453Diesel Particulate Filter Differential Pressure Sensor Range/PerformanceDPF / FAP OffLookup P2453 →
P2458Diesel Particulate Filter Regeneration DurationDPF / FAP OffLookup P2458 →
P2459Diesel Particulate Filter Regeneration FrequencyDPF / FAP OffLookup P2459 →
P2463Diesel Particulate Filter Restriction — Soot AccumulationDPF / FAP OffLookup P2463 →
P20EESCR NOx Catalyst Efficiency Below Threshold (Bank 1)AdBlue / SCR / NOx OffLookup P20EE →
P20E8Reductant (AdBlue / DEF) Pressure Too LowAdBlue / SCR OffLookup P20E8 →
P20E9Reductant (AdBlue / DEF) Pressure Too HighAdBlue / SCR OffLookup P20E9 →
P204FReductant System Performance Bank 1AdBlue / SCR OffLookup P204F →
P207FReductant Quality Performance (AdBlue Quality Fault)AdBlue / SCR OffLookup P207F →
P208AReductant Pump A Control Circuit / OpenAdBlue / SCR OffLookup P208A →
P20B9Reductant Heater A Control Circuit / OpenAdBlue / SCR OffLookup P20B9 →
P20BDReductant Heater B Control Circuit / OpenAdBlue / SCR OffLookup P20BD →
P2BA9NOx Exceedence — Insufficient Reagent QualityAdBlue / SCR / NOx OffLookup P2BA9 →
P2BADNOx Exceedence — Root Cause Unknown (Start Inducement)AdBlue / SCR / NOx OffLookup P2BAD →
P2BAENOx Exceedence — NOx Control Monitoring SystemAdBlue / SCR / NOx OffLookup P2BAE →
P2200NOx Sensor Circuit Bank 1 Sensor 1NOx / AdBlue OffLookup P2200 →
P2201NOx Sensor Circuit Range/Performance Bank 1 Sensor 1NOx / AdBlue OffLookup P2201 →
P2202NOx Sensor Circuit Low Bank 1 Sensor 1NOx / AdBlue OffLookup P2202 →
P229FNOx Sensor Circuit Range/Performance Bank 1 Sensor 2NOx / AdBlue OffLookup P229F →
U029DLost Communication With NOx Sensor ANOx / AdBlue OffLookup U029D →
U029ELost Communication With NOx Sensor BNOx / AdBlue OffLookup U029E →
U010ELost Communication With Reductant Control Module (DCU / ACM)AdBlue / SCR OffLookup U010E →
P2015Intake Manifold Runner Position Sensor / Swirl Flap Range/PerformanceSwirl Flaps OffLookup P2015 →
P2004Intake Manifold Runner Control Stuck Open (Bank 1)Swirl Flaps OffLookup P2004 →
P2006Intake Manifold Runner Control Stuck Closed (Bank 1)Swirl Flaps OffLookup P2006 →
P2008Intake Manifold Runner Control Circuit / OpenSwirl Flaps OffLookup P2008 →
P0128Coolant Thermostat Temperature Below Regulating TemperatureDTC / CoolingLookup P0128 →
P0441Evaporative Emission System Incorrect Purge FlowEVAP OffLookup P0441 →
P0299Turbocharger / Supercharger A Underboost ConditionBoost / Stage 1 DiagnosticsLookup P0299 →
P0234Turbocharger / Supercharger A Overboost ConditionBoost / VNT CalibrationLookup P0234 →
P1403EGR System Control Difference / Valve MalfunctionEGR OffLookup P1403 →
P1404Exhaust Gas Recirculation Closed Position PerformanceEGR OffLookup P1404 →
P1440Exhaust Gas Recirculation Valve Open CircuitEGR OffLookup P1440 →
P2454Diesel Particulate Filter Differential Pressure Sensor Circuit LowDPF / FAP OffLookup P2454 →
P2455Diesel Particulate Filter Differential Pressure Sensor Circuit HighDPF / FAP OffLookup P2455 →
P246BVehicle Conditions Incorrect for Diesel Particulate Filter RegenerationDPF / FAP OffLookup P246B →
P246CDiesel Particulate Filter Restriction — Forced Limited PowerDPF / FAP OffLookup P246C →
P203BReductant Level Sensor Circuit Range/PerformanceAdBlue / SCR OffLookup P203B →
P203FReductant Level Too Low (AdBlue Empty Inducement)AdBlue / SCR OffLookup P203F →
P2047Reductant Injector Circuit / Open Bank 1 Unit 1AdBlue / SCR OffLookup P2047 →
P2048Reductant Injector Circuit Low Bank 1 Unit 1AdBlue / SCR OffLookup P2048 →
P2049Reductant Injector Circuit High Bank 1 Unit 1AdBlue / SCR OffLookup P2049 →
P208EReductant Injection Valve Stuck Closed Bank 1 Unit 1AdBlue / SCR OffLookup P208E →
P220ANOx Sensor Supply Voltage Circuit Bank 1 Sensor 1NOx / AdBlue OffLookup P220A →
P220BNOx Sensor Supply Voltage Circuit Bank 1 Sensor 2NOx / AdBlue OffLookup P220B →
P0016Crankshaft Position – Camshaft Position CorrelationTiming DiagnosticsLookup P0016 →
P0101Mass or Volume Air Flow A Circuit Range/PerformanceMAF Off / CalibrationLookup P0101 →
P0135O2 Sensor Heater Circuit Bank 1 Sensor 1Lambda / O2 OffLookup P0135 →