Diagnostic Trouble Codes (DTCs) EN DTC Example P0202 SYSTEMS B C P U =Body =Chassis =Powertrain =Network CODE TYPE Generic (SAE): P0, P2, P34-P39 B0, B3 C0, C3 U0, U3 SUB-SYSTEMS 1 2 3 4 5 = Fuel and Air Metering = Fuel and Air Metering = Ignition System or Engine Misfire = Auxiliary Emission Controls = Vehicle Speed Control and Idle Controls = Computer Output Circuits = Transmission Controls = Transmission Controls Manufacturer Specific: P1, P30-P33 B1, B2 C1, C2 U1, U2 6 7 8 7 IDENTIFYING SPECIFIC Malfunctioning Section of the Systems