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) | Detected Items (DTC) |
|---|---|---|
| 1 | U0101, U1001 | CAN 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, 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 | |
| P0520 | EOP sensor | |
| P0603, P0604, P0605, P0606, P0607, P060A, P060B, P062F, P2610 | ECM | |
| P0643 | Sensor power supply | |
| P0850 | Transmission range switch | |
| P1078, P1084 | Exhaust valve timing control position sensor | |
| P1220 | Fuel pump control module (FPCM) | |
| P1610 - P1615 | NATS | |
| P2122, P2123, P2127, P2128, P2138 | Accelerator pedal position sensor | |
| 2 | P0030, P0031, P0032, P0036, P0051, P0052 | Air fuel ratio (A/F) sensor 1 heater |
| P0037, P0038, P0057, P0058, P0141, P0161 | Heated oxygen sensor 2 heater | |
| P0075, P0081 | Intake valve timing control solenoid valve/Intake valve timing intermediate lock control solenoid valve | |
| P0078, P0084 | Exhaust valve timing control solenoid valve | |
| P0130, P0131, P0132, P014C, P014D, P014E, P014F, P0150, P0151, P0152, P015A, P015B, P015C, P015D, P2096, P2097, P2098, P2099 | Air fuel ratio (A/F) sensor 1 | |
| P0137, P0138, P0139, P0157, P0158, P0159 | 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 | |
| P059F, P159F | Active grille shutter | |
| P1217 | Engine over temperature (OVERHEAT) | |
| P1800, P1801 | VIAS control solenoid valve | |
| P1805 | Brake switch | |
| P2100, P2103 | Throttle control motor relay | |
| P2101 | Electric throttle control function | |
| P2118 | Throttle control motor | |
| 3 | P0011, P0021, P052A, P052B, P052C, P052D | Intake valve timing control |
| P0014, P0024 | Exhaust valve timing control | |
| P0171, P0172, P0174, P0175 | Fuel injection system function | |
| P0300 - P0306 | Misfire | |
| P0420, P0430 | Three way catalyst function | |
| P0456 | EVAP control system (VERY SMALL LEAK) | |
| P0506, P0507 | Idle speed control system | |
| P050A, P050E | Cold start control | |
| P0524 | Engine oil pressure | |
| P1148, P1168 | Closed loop control | |
| P1212 | TCS communication line | |
| P1564 | ASCD steering switch / ICC steering switch | |
| P1572 | Brake pedal position switch | |
| P1574 | ASCD vehicle speed sensor / ICC vehicle speed sensor | |
| P1715 | Primary speed sensor | |
| P2119 | Electric throttle control actuator | |
| P219A, P219B | Air fuel ratio (A/F) sensor 1 |