Ecu Diagnosis Information: ECM: DTCINSPECTIONPRIORITYCHART
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart.
| Priority | DTC | Detected items |
|---|---|---|
| 1 | U0101, U1001 | CAN communication line |
| P0101, P0102, P0103 | Mass air flow sensor | |
| P0112, P0113 | Intake air temperature sensor 1 | |
| P0117, P0118 | Engine coolant temperature sensor | |
| P0122, P0123, P0222, P0223, P1225, P2135 | Throttle position sensor | |
| 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 | |
| P0603, P0604, P0605, P0606, P0607, P060A, P060B, P2610 | ECM | |
| P0643 | Sensor power supply | |
| P0705 | Transmission range switch | |
| P0850 | Park/neutral position (PNP) switch | |
| P1550, P1551, P1552, P1553, P1554 | Battery current sensor | |
| P1556, P1557 | Battery temperature sensor | |
| P1568 | ICC function | |
| P1610 - P1615 | NATS | |
| P2122, P2123, P2127, P2128, P2138 | Accelerator pedal position sensor | |
| 2 | P0030, 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, P014C, P014D | Air fuel ratio (A/F) sensor 1 | |
| P0137, P0138, P0139 | Heated oxygen sensor 2 | |
| P0444 | EVAP canister purge volume control solenoid valve | |
| P0710 | CVT related sensors, solenoid valves and switches | |
| P1078 | Exhaust valve timing position sensor | |
| P1217 | Engine over temperature (OVERHEAT) | |
| P1650, P1651, P1652 | Starter motor relay | |
| P1715 | CVT related sensors, solenoid valves and switches | |
| P1800 | Intake manifold tuning valve | |
| P1805 | Brake switch | |
| P2100, P2103 | Throttle control motor relay | |
| P2101 | Electric throttle control function | |
| P2118 | Throttle control motor | |
| 3 | P0011, P0012, P0016 | Intake valve timing control |
| P0014, P0015, P0017 | Exhaust valve timing control | |
| P0171, P0172 | Fuel injection system function | |
| P0201 - P0204 | Injector | |
| P0234 | Turbocharger system | |
| P0300 - P0304 | Misfire | |
| P0420 | Three way catalyst function | |
| P0506, P0507 | Idle speed control system | |
| P0524 | Engine oil pressure | |
| P1212 | TCS communication line | |
| P1564 | ASCD steering switch / ICC steering switch | |
| P1572 | ASCD brake switch / ICC brake switch | |
| P1574 | ASCD vehicle speed sensor / ICC vehicle speed sensor | |
| P2119 | Electric throttle control actuator | |
| P219A, P219C, P219D, P219E, P219F | Air fuel ratio (A/F) sensor 1 |