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, U0146, U1001 |
CAN communication line |
|
U0248 |
Active grille shutter |
|
|
U1040, U1044 |
Engine communication line |
|
|
U1050, U1051 |
LIN communication line |
|
|
P0101, P0102, P0103 |
Mass air flow sensor |
|
|
P0106, P010A |
Atmospheric pressure sensor, EVAP line pressure 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 |
|
|
P0326, P0327, P0328 |
Knock sensor |
|
|
P0315, P0335 |
Crankshaft position sensor (POS) |
|
|
P0340 |
Camshaft position sensor (PHASE) |
|
|
P0460, P0461, P0462, P0463 |
Fuel level sensor |
|
|
P0500 |
Vehicle speed sensor |
|
|
P0532, P0533 |
Refrigerant pressure sensor |
|
|
P0520 |
Engine oil pressure sensor |
|
|
P0603, P0604, P0605, P0606, P0607, P060A, P060B, P2610 |
ECM |
|
|
P0643 |
Sensor power supply |
|
|
P0850 |
Transmission range switch |
|
|
P1078 |
Exhaust valve timing control position sensor |
|
|
P1610, P1611, P1612, P1615 |
NATS |
|
|
P2014, P2016, P2017, P2018 |
Intake manifold runner control valve position sensor |
|
|
P2122, P2123, P2127, P2128, P2138 |
Accelerator pedal position sensor |
|
|
2 |
P0030, P0031, P0032, P0053 |
Air fuel ratio (A/F) sensor 1 heater |
|
P0037, P0038, P00D2 |
Heated oxygen sensor 2 heater |
|
|
P0075 |
Intake valve timing control solenoid valve/Intake valve timing intermediate lock control solenoid valve |
|
|
P0078 |
Exhaust valve timing control solenoid valve |
|
|
P0130, P0131, P0132, P014C, P014D, P015A, P015B, P2096, P2097, P2237, P2238, P2239, P2251, P2252, P2253, P2297, P2298 |
Air fuel ratio (A/F) sensor 1 |
|
|
P0136, P0137, P0138, P0139, P2270, P2271, P2A01 |
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, P0454 |
EVAP control system pressure sensor |
|
|
P0531 |
Refrigerant pressure sensor |
|
|
P059F, P159F |
Active grille shutter |
|
|
P1217 |
Engine over temperature (OVERHEAT) |
|
|
P1575, P1805 |
Brake switch |
|
|
P2004 |
Intake manifold runner control valve |
|
|
P2100, P2103 |
Throttle control motor relay |
|
|
P2101 |
Electric throttle control function |
|
|
P2118 |
Throttle control motor |
|
|
3 |
P0011, P0012, P0016, P052A, P052B |
Intake valve timing control |
|
P0014, P0015, P0017 |
Exhaust valve timing control |
|
|
P0171, P0172 |
Fuel injection system function |
|
|
P0300, P0301, P0302, P0303, P0304 |
Misfire |
|
|
P0420 |
Three way catalyst function |
|
|
P00FE, P0456 |
EVAP control system |
|
|
P0506, P0507 |
Idle speed control system |
|
|
P050A, P050B, P050E |
Cold start control |
|
|
P0524 |
Engine oil pressure |
|
|
P1148 |
Closed loop control |
|
|
P1212 |
TCS communication line |
|
|
P1564 |
ASCD steering switch |
|
|
P1572 |
ASCD brake switch |
|
|
P1574 |
ASCD vehicle speed sensor |
|
|
P1715 |
Input speed sensor |
|
|
P2119 |
Electric throttle control actuator |
|
|
P219A |
Air fuel ratio (A/F) sensor 1 |
|
|
P222F |
Pressure sensor |