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Volkswagen Audi Diagnostic Trouble Code (DTC) Overview

The Diagnostic Trouble Code (DTC) overview is organized according to VAG and SAE (OBD-II) trouble codes, this bulletin also informs the new standardized OBD-II terms and acronyms, such as: PCM (Powertrain Control Module); MIL (Malfunction Indicator Lamp); VCM (Vehicle Control Module); IAT (Inlet Air Temperature); ECT (Engine Coolant Temperature); TP (Throttle Position); BARO (Barometric Pressure); MAP (Manifold Absolute Pressure); MDP (Manifold Differential Pressure); MAF (Manifold Air Flow); KS (Knock Sensor); O2S (Oxygen Sensor); HO2S (Heated Oxygen Sensor); CKP (Crankshaft Position); CMP (Camshaft Position); IAC (Idle Air Control); ISC (Idle Speed Control); ICM (Ignition Control Module); MC (Mixture Control) & TCC (Torque Converter Clutch). Download