1111 Control unit Electrical interferences from outside sources, poor ground, malfunctioning control unit
1112 Inlet valve FL Faulty wiring, connector, or valve coil
1113 Solenoid Valve 1 open or short Faulty valve (K1 clutch, B1 reverse gear brake), faulty wiring
1114 Inlet valve FR Faulty wiring, connector, or valve coil
1121 Solenoid Valve 2 open or short Faulty valve (B2 reverse gear brake), faulty wiring
1122 Inlet valve, rear Faulty wiring, connector, or valve coil
1123 Solenoid Valve 3 open or short Faulty valve (K3 clutch), faulty wiring
1124 Transmission Mechanical/hydraulic dysfunction, malfunctioning clutch or valve body
1131 Solenoid Valve 4 open or short Faulty valve (K2 clutch), faulty wiring
1132 Outlet valve FL Faulty wiring, connector, or valve coil
1133 Solenoid Valve 5 open or short Faulty valve (B1 reverse gear brake), faulty wiring
1134 Outlet valve FR Faulty wiring, connector, or valve coil
1141 Solenoid Valve 6 open or short Faulty valve (modulator valve- main pressure in valve body), faulty wiring
1142 Outlet valve, rear Faulty wiring, connector, or valve coil
1143 Solenoid Valve 7 open or short Faulty valve (valve body pressure), faulty wiring
1222 Main valve Faulty wiring, connector, or valve coil
1223 Differential lock valve 1 Faulty wiring, connector, or valve coil
1224 Differential lock valve 2 Faulty wiring, connector, or valve coil
1231 Speed sender Faulty speed sender, bad speedometer cable, or bad cluster fuse
1232 Throttle Potentiometer or Idle Speed Stepper Motor Faulty Potentiometer or wiring, or faulty idle speed motor or wiring
1233 Wheel-speed sensor FL Speed sensor cable, wiring connection, speed sensor, excessive or insufficient gap between sensor and pulse wheel, sensor or wheel dirty or damaged
1241 Wheel-speed sensor FR Speed sensor cable, wiring connection, speed sensor, excessive or insufficient gap between sensor and pulse wheel, sensor or wheel dirty or damaged
1243 Wheel-speed sensor RR Speed sensor cable, wiring connection, speed sensor, excessive or insufficient gap between sensor and pulse wheel, sensor or wheel dirty or damaged
1311 Wheel-speed sensor RL Speed sensor cable, wiring connection, speed sensor, excessive or insufficient gap between sensor and pulse wheel, sensor or wheel dirty or damaged
1312 ABS pressure warning switch, brake fluid warning switch Wiring at switches shorted to positive, excessive pressure or low brake fluid
1314 Transmission range switch Open in wiring, faulty switch
1323 Kickdown switch Short circuit, malfunctioning switch
1332 Transmission range program switch Short circuit, malfunctioning switch
1333 Transmission fluid temperature sensor Short circuit, malfunctioning sensor
2111 Engine speed sensor Sensor malfunctioning, sensor wheel for engine speed sensor malfunctioning or loose, wiring fault
2112 Ignition reference sensor (TDC Sensor) or Crank Angle Sensor Defective sensor or wiring
2113 Camshaft position/hall sensor Rotor twisted, Defective sensor or wiring
2114 Distributor Mechanical Fault
2121 Idle switch, Idle Speed Stepper Motor, Ignition Control Valve Circuit Defective or misadjusted sensor, or faulty wiring
2122 Engine speed signal missing Open circuit
2123 Full-throttle switch Defective or misadjusted sensor, or faulty wiring
2131 Brake light switch Open in wiring, faulty switch
2133 ABS pressure warning switch Wiring at switch shorted to positive, excessive pressure
2141 Knock sensor I Engine knock due to incorrect fuel, incorrect timing, or faulty sensor
2142 Knock sensor I, or auto signal missing Defective knock sensor or wiring. Control unit not recognizing knock signal
2143 Knock sensor II Defective knock sensor or wiring. Control unit not recognizing knock signal
2144 Knock sensor II Faulty sensor wiring, faulty sensor, or faulty control unit
2212 Throttle Position Sensor Open or short, malfunctioning sensor
2214 Maximum engine speed exceeded ECU fault causes over-revving, bad shifting, signal from engine speed sensor defective
2222 Manifold absolute pressure sensor Vacuum line to Digifant ECM fault, sensor inside of ECM fault
2223 Atmospheric Pressure Sensor Faulty sensor or wiring
2224 Turbocharger Maximum Boost Pressure Exceeded Faulty Wastegate or Turbocharger
2231 Idle speed stabilizer has exceeded adaptive range Throttle valve adjustment incorrect, incorrect timing, evap system faulty, or intake air leaks
2232 Air flow sensor potentiometer, or Mass Airflow Sensor Defective air flow sensor potentiometer/MAF or wiring
2233 Vane Airflow Meter, or Mass Airflow Sensor Defective sensor or wiring
2234 Supply voltage too high or low Battery voltage above/below 16/10v, Faulty wiring, wiring connections, fuse S54 or ABS relay
2242 CO fuel trim potentiometer Sensor malfunctioning, wiring fault
2312 Coolant temperature sensor Defective coolant temperature sensor or wiring
2314 Engine/transmission electrical connection Open or short in circuit, no connection between TCM and ECU
2322 Intake air temperature sensor CO fuel trim potentiometer malfunctioning, sensor malfunctioning, wiring fault
2323 Air flow sensor potentiometer, vane airflow meter, or mass airflow sensor Defective sensor or wiring
2324 Mass airflow sensor, or vane airflow meter Signal high/low, sensor malfunctioning, short to positive/ground, air leak
2341 Oxygen sensor control exceeded, inoperative Probe defective, intake air leaks, injectors malfunctioning, fuel pressure low/high, hot wire for MAF not burning cleanly, evap system fault
2342 Oxygen sensor system (faulty signal or exceeding adjustment range) Faulty sensor wiring, faulty sensor, incorrect idle speed, leaking cold start valve, or intake air leaks
2343 Mixture Control adjustment, lean Fuel pressure fault, misfire, air leaks, injectors leaking, hot wire not burning off cleanly, Oxygen sensor regulation faulty, exhaust leak, evap fault
2344 Mixture Control adjustment, rich Fuel pressure fault, misfire, air leaks, injectors leaking, hot wire not burning off cleanly, Oxygen sensor regulation faulty, exhaust leak, evap fault
2411 EGR system (California only) Intake air temperature sensor faulty, faulty EGR sensor wiring, faulty or plugged EGR system
2412 Intake air temperature sensor Sensor malfunctioning, wiring fault
2413 Mixture adaption limit exceeded Fuel pressure fault, misfire, air leaks, injectors leaking, hot wire not burning off cleanly, Oxygen sensor regulation faulty, exhaust leak, evap fault
4312 EGR vacuum regulator solenoid valve EGR valve malfunction, wiring shorted to ground/positive
4314 Shift lock solenoid Open or short, malfunctioning solenoid
4332 Output stages in engine control module, mechanical malfunction Loose terminal to one of the Output DTM components or to the motronic engine control module
4343 EVAP canister purge regulator valve Malfunction in wiring, short to positive/negative
4411 Fuel injector #1 fault Check fuel injector wiring
4412 Fuel injector #2 fault Check fuel injector wiring
4413 Fuel injector #3 fault Check fuel injector wiring
4414 Fuel injector #4 fault Check fuel injector wiring
4421 Fuel injector #5 fault Check fuel injector wiring
4422 Fuel injector #6 fault Check fuel injector wiring
4431 Idle stabilizer valve Faulty wiring or valve, or control unit
4433 Fuel pump relay Malfunction or wire has short to positive
4442 Turbocharger Boost Pressure Solenoid Valve defective valve or wiring
4444 No faults recorded
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