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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 DTC Detected items
1 U0101, U0293, U1001, U1003, P31A5 CAN communication line
P0101, P0102, P0103, P010B, P010C. P010D Mass air flow sensor
P0111, P0112, P0113, P0127 Intake air temperature sensor
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
P0201, P0202, P0203, P0204, P0205, P0206 Fuel injector
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 Engine oil pressure sensor
P0605, P0607 ECM
P0643 Sensor power supply
P0705 Transmission range switch
P1078, P1084 Exhaust valve timing control position sensor
P1550, P1551, P1552, P1553, P1554 Battery current sensor
2 P0031, P0032, P0051, P0052 Air fuel ratio (A/F) sensor 1 heater
P0037, P0038, P0057, P0058 Heated oxygen sensor 2 heater
P0075, P0081 Intake valve timing control solenoid valve
P0078, P0084 Exhaust valve timing control solenoid valve
P0130, P0131, P0132, P0133, P014C, P014D, P014E, P014F, P0150, P0151, P0152, P0153, P2A00, P2A03 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
P0603 ECM power supply
P0710, P0717, P0720, P0729, P0730, P0731, P0732, P0733, P0734, P0735, P0744, P0745, P0750, P0775, P0780, P0795, P1730, P1734, P2713, P2722, P2731, P2807 A/T related sensors, solenoid valves and switches
P1217 Engine over temperature (OVERHEAT)
P1233, P2101 Electric throttle control function
P1236, P2118 Throttle control motor
P1290, P2100, P2103 Throttle control motor relay
P1805 Brake switch
3 P0011, P0021 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, P050B, P50E Cold start control
P1148, P1168 Closed loop control
P1238, P2119 Electric throttle control actuator
P1425 Cold start control