DTC Code Dictionary

45 of the most common Diagnostic Trouble Codes — each with causes, mechanical fix steps, and ECU tuning approaches via DaVinci Deluxe.

Air/Fuel

P0299
Turbocharger / Supercharger Underboost P0238
Turbocharger Boost Sensor A Circuit High P0234
Turbocharger Overboost Condition P0102
Mass Air Flow Sensor Low Input P0171
System Too Lean (Bank 1)P0172
System Too Rich (Bank 1)P2279
Intake Air System Leak

P0420
Catalyst System Efficiency Below Threshold (Bank 1)P2096
Post Catalyst Fuel Trim System Too Lean P0430
Catalyst Efficiency Below Threshold (Bank 2)P0411
Secondary Air Injection System Incorrect Flow

P0401
Exhaust Gas Recirculation (EGR) Flow Insufficient

P2002
Diesel Particulate Filter Efficiency Below Threshold (Bank 1)P2463
Diesel Particulate Filter Restriction - Soot Accumulation P2452
Diesel Particulate Filter Pressure Sensor A Circuit P2458
Diesel Particulate Filter Regeneration Duration P244A
Diesel Particulate Filter Differential Pressure Too Low P244B
Diesel Particulate Filter Differential Pressure Too High

P0301
Cylinder 1 Misfire Detected P0303
Cylinder 3 Misfire Detected P0300
Random/Multiple Cylinder Misfire Detected

P0011
A Camshaft Position Timing Over-Advanced (Bank 1)

P0016
Crankshaft Position - Camshaft Position Correlation P0335
Crankshaft Position Sensor A Circuit P0341
Camshaft Position Sensor A Circuit Range/Performance

P0087
Fuel Rail / System Pressure Too Low P0088
Fuel Rail / System Pressure Too High P0190
Fuel Rail Pressure Sensor Circuit Malfunction P0193
Fuel Rail Pressure Sensor Circuit High P1093
Fuel Rail Pressure Low During Power Enrichment (VAG)

P0500
Vehicle Speed Sensor Malfunction

P0606
ECM/PCM Processor Fault P0641
Sensor Reference Voltage A Circuit Open

P0700
Transmission Control System Malfunction P0741
Torque Converter Clutch Circuit Performance P0218
Transmission Over-Temperature

P0571
Cruise Control / Brake Switch A Circuit

P0010
A Camshaft Position Actuator Circuit (Bank 1)P0014
B Camshaft Position Timing Over-Advanced (Bank 1)

P0128
Coolant Thermostat (Coolant Below Regulating Temperature)

P204F
Reductant System Performance

P2BAA
NOx Exceedence — Deactivation of EGR

P0455
Evaporative Emission System Leak (Large)P0496
Evaporative Emission System High Purge Flow

P0521
Engine Oil Pressure Sensor Circuit Performance

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