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OBDII code categories


Time:2013-11-20 Click:2578

ALL OBDII DTC code definitions follow the rules, and its easy to determine which system its in, when a DTC rises. the DTC itself will tell in which system it is, if you have an idea.


Body System Groupings

                B0XXX ISO/SAE controlled
                B1XXX Manufacturer Controlled
                B2XXX Manufacturer Controlled
                B3XXX Reserved by Document
Chassis System Groupings
                C0XXX ISO/SAE Controlled
                C1XXX Manufacturer Controlled
                C2XXX Manufacturer Controlled
                C3XXX Reserved by Document
Powertrain System Groupings
    P0XXX ISO/SAE controlled
                P00XX Fuel and Air Metering and Auxiliary Emission Controls
                P01XX Fuel and Air Metering
                P02XX Fuel and Air Metering
                P03XX Ignition System or Misfire
                P04XX Auxiliary Emission Controls
                P05XX Vehicle Speed, Idle Control, and Auxiliary Inputs
                P06XX Computer and Auxiliary Outputs
                P07XX Transmission
                P08XX Transmission
                P09XX Transmission
                P0AXX Hybrid Propulsion
                P0BXX Reserved by Document
                P0CXX Reserved by Document
                P0DXX Reserved by Document
                P0EXX Reserved by Document
                P0FXX Reserved by Document
    P1XXX manufacturer control
                P10XX Manufacturer Controlled Fuel and Air Metering and Auxiliary Emission Controls
                P11XX Manufacturer Controlled Fuel and Air Metering
                P12XX Manufacturer Controlled Fuel and Air Metering
                P13XX Manufacturer Controlled Ignition System or Misfire
                P14XX Manufacturer Controlled Auxiliary Emission Controls
                P15XX Manufacturer Controlled Vehicle Speed, Idle Control, and Auxiliary Inputs
                P16XX Manufacturer Controlled Computer and Auxiliary Outputs
                P17XX Manufacturer Controlled Transmission
                P18XX Manufacturer Controlled Transmission
                P19XX Manufacturer Controlled Transmission
    P2XXX ISO/SAE controlled
                P20XX Fuel and Air Metering and Auxiliary Emission Controls
                P21XX Fuel and Air Metering and Auxiliary Emission Controls
                P22XX Fuel and Air Metering and Auxiliary Emission Controls
                P23XX Ignition System or Misfire
                P24XX Auxiliary Emission Controls
                P25XX Auxiliary Inputs
                P26XX Computer and Auxiliary Outputs
                P27XX Transmission
                P28XX ISO/SAE Reserved
                P2AXX Fuel and Air Metering and Auxiliary Emission Controls
    P3XXX Manufacturer Controlled and ISO/SAE Reserved
                P30XX Fuel and Air Metering and Auxiliary Emission Controls
                P31XX Fuel and Air Metering and Auxiliary Emission Controls
                P32XX Fuel and Air Metering and Auxiliary Emission Controls
                P33XX Ignition System or Misfire
                P34XX Cylinder Deactivation
                P35XX ISO/SAE Reserved
                P36XX ISO/SAE Reserved
                P37XX ISO/SAE Reserved
                P38XX ISO/SAE Reserved
                P39XX ISO/SAE Reserved
Network Groupings
    U0XXX ISO/SAE Controlled
                U00XX Network Electrical
                U01XX Network Communication
                U02XX Network Communication
                U03XX Network Software
                U04XX Network Data
    U1XXX Manufacturer Controlled
    U2XXX Manufacturer Controlled
    U3XXX Reserved