If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart.

Priority | Detected items (DTC)
1 |

- U0101 U1001 CAN communication line
- P0101 P0102 P0103 P010B P010C P010D Mass air flow sensor
- P0112 P0113 P0127 Intake air temperature sensor
- P0116 P0117 P0118 P0125 Engine coolant temperature sensor
- P0122 P0123 P0222 P0223 P0227 P0228 P1225 P1226 P1234 P1235 P1239 P2132 P2133 P2135 Throttle position sensor
- P0128 Thermostat function
- P0181 P0182 P0183 Fuel tank temperature sensor
- P0196 P0197 P0198 Engine oil temperature sensor
- P0327 P0328 P0332 P0333 Knock sensor
- P0335 Crankshaft position sensor (POS)
- P0340 P0345 Camshaft position sensor (PHASE)
- P0460 P0461 P0462 P0463 Fuel level sensor
- P0500 Vehicle speed sensor
- P0605 P0607 ECM
- P0643 Sensor power supply
- P0850 Park/neutral position (PNP) switch
- P1610 - P1615 NATS
- P2122 P2123 P2127 P2128 P2138 Accelerator pedal position sensor

2 |

- P0031 P0032 P0051 P0052 Air fuel ratio (A/F) sensor 1 heater
- P0037 P0038 P0057 P0058 Heated oxygen sensor 2 heater
- P004A P004C P004D Turbocharger boost control solenoid valve
- P0075 P0081 Intake valve timing control solenoid valve
- P0130 P0131 P0132 P0133 P0150 P0151 P0152 P0153 P2A00 P2A03 Air fuel ratio (A/F) sensor 1
- P0137 P0138 P0139 P0157 P0158 P0159 Heated oxygen sensor 2
- P0236 P0237 P0238 P0240 P0241 P0242 Turbocharger boost sensor
- P0441 EVAP control system purge flow monitoring
- P0443 P0444 P0445 EVAP canister purge volume control solenoid valve
- P0447 P0448 EVAP canister vent control valve
- P0451 P0452 P0453 EVAP control system pressure sensor
- P0550 Power steering pressure sensor
- P0603 ECM power supply
- P0627 P0629 P062A Sub fuel pump
- P1217 Engine over temperature (OVERHEAT)
- P1220 Fuel pump control module (FPCM)
- P1233 P2101 Electric throttle control function
- P1236 P2118 Throttle control motor
- P1290 P2100 P2103 Throttle control motor relay
- P1805 Brake switch
- P2432 P2433 Secondary air injection system mass air flow sensor
- P2440 P2442 Air cut solenoid valve

3 |

- P0011 P0021 Intake valve timing control
- P0171 P0172 P0174 P0175 Fuel injection system function
- P0234 P1263 P1334 P2263 Turbocharger system
- P0300 - P0306 Misfire
- P0411 P0491 P0492 Secondary air injection system
- P0420 P0430 Three way catalyst function
- P0442 P0456 EVAP control system (SMALL LEAK, VERY SMALL LEAK)
- P0455 EVAP control system (GROSS LEAK)
- P0506 P0507 Idle speed control system
- P1148 P1168 Closed loop control
- P1211 TCS control unit
- P1212 TCS communication line
- P1238 P2119 Electric throttle control actuator
- P1421 Cold start control
- P1564 ASCD steering switch
- P1572 ASCD brake switch
- P1574 ASCD vehicle speed sensor