DTC Inspection Priority Chart

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 U0284 Active grille shutter U1040 Engine communication line P0101 P0102 P0103 Mass air flow sensor P0111 P0112 P0113 P0127 Intake air temperature sensor P0116 P0117 P0118 P0125 Engine coolant temperature sensor P0122 P0123 P0222 P0223 P1225 P1226 P2135 Throttle position sensor P0128 Thermostat function P0181, P0182, P0183 Fuel tank temperature sensor P0196 P0197 P0198 Engine oil temperature sensor P0327 P0328 Knock sensor P0335 Crankshaft position sensor (POS) P0340 Camshaft position sensor (PHASE) P0500 Vehicle speed sensor P0520 Engine oil pressure sensor P0605 P0607 ECM P0643 Sensor power supply P0850 Park/neutral position (PNP) switch P1550 P1551 P1552 P1553 P1554 Battery current sensor P1610 - P1615 NATS P2122 P2123 P2127 P2128 P2138 Accelerator pedal position sensor
2	P0031 P0032 Air fuel ratio (A/F) sensor 1 heater P0037 P0038 Heated oxygen sensor 2 heater P0075 Intake valve timing control solenoid valve P0078 Exhaust valve timing control solenoid valve P0130 P0131 P0132 P0133 P014C P014D P015A P015B P2096 P2097 Air fuel ratio (A/F) sensor 1 P0137 P0138 P0139 Heated oxygen sensor 2 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 P0460, P0461, P0462, P0463 Fuel level sensor P059F Active grille shutter P0603 ECM P1078 Exhaust valve timing control position sensor P1217 Engine over temperature (OVERHEAT) P1805 Brake switch P2100 P2103 Throttle control motor relay P2101 Electric throttle control function P2118 Throttle control motor
3	P0011 Intake valve timing control P0014 Exhaust valve timing control P0171 P0172 Fuel injection system function P0300 - P0304 Misfire P0420 Three way catalyst function P0456 EVAP control system (VERY SMALL LEAK) P0506, P0507 Idle speed control system P050A P050B P050E Cold start control P0524 Engine oil pressure P1148 Closed loop control P117A Air fuel ratio P1212 TCS communication line P1564 ASCD steering switch P1572 ASCD brake switch P1574 ASCD vehicle speed sensor P1715 Input speed sensor P1720 Vehicle speed sensor P2119 Electric throttle control actuator