Sfi System -- Diagnostic Trouble Code Chart |
- HINT:
- Parameters listed in the chart may be different than your readings depending on the type of instrument and other factors.
- If any DTCs are displayed during a check mode DTC check, check the circuit for the DTCs listed in the table below. For details of each DTC, refer to the page indicated.
| DTC Code | Detection Item | Suspected area | MIL | Memory | See page |
| P0010 | Camshaft Position "A" Actuator Circuit (Bank 1) | - Open or short in Oil Control Valve (OCV) circuit (bank 1) - OCV (bank 1) - ECM | Comes on | DTC stored | Toyota Fortuner RM000000USA00JX.html |
| P0011 | Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1) | - Valve timing - OCV (bank 1) - OCV filter (bank 1) - Camshaft timing gear assembly - ECM | Comes on | DTC stored | Toyota Fortuner RM000000TSG00JX.html |
| P0012 | Camshaft Position "A" - Timing Over-Retarded (Bank 1) | - Valve timing - OCV (bank 2) - OCV filter (bank 2) - Camshaft timing gear assembly - ECM | Comes on | DTC stored | Toyota Fortuner RM000000TSG00JX.html |
| P0016 | Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) | - Mechanical system (jumped tooth or chain stretched) - ECM | Comes on | DTC stored | Toyota Fortuner RM000000USU00JX.html |
| P0018 | Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A) | - Same as DTC P0016 | Comes on | DTC stored | Toyota Fortuner RM000000USU00JX.html |
| P0020 | Camshaft Position "A" Actuator Circuit (Bank 2) | - Open or short in Oil Control Valve (OCV) circuit (bank 2) - OCV (bank 2) - ECM | Comes on | DTC stored | Toyota Fortuner RM000000USA00JX.html |
| P0021 | Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 2) | - Same as DTC P0011 | - | DTC stored | Toyota Fortuner RM000000TSG00JX.html |
| P0022 | Camshaft Position "A" - Timing Over-Retarded (Bank 2) | - Same as DTC P0012 | - | DTC stored | Toyota Fortuner RM000000TSG00JX.html |
| P0031 | Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1) | - Open in Air-Fuel Ratio (A/F) sensor heater (bank 1 sensor 1) circuit - A/F sensor heater (bank 1 sensor 1) - A/F relay - ECM | Comes on | DTC stored | Toyota Fortuner RM000000WC100ZX.html |
| P0032 | Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1) | -Short in Air-Fuel Ratio (A/F) sensor heater (bank 1 sensor 1) circuit - A/F sensor heater (bank 1 sensor 1) - A/F relay - ECM | Comes on | DTC stored | Toyota Fortuner RM000000WC100ZX.html |
| P0037 | Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2) | - Heated oxygen sensor (bank 1, 2 sensor 2) heater circuit - Heated oxygen sensor (bank 1, 2 sensor 2) heater - Integration relay - ECM | Comes on | DTC stored | Toyota Fortuner RM000000PFA00YX.html |
| P0038 | Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2) | - Heated oxygen sensor (bank 1, 2 sensor 2) heater circuit - Heated oxygen sensor (bank 1, 2 sensor 2) heater - Integration relay - ECM | Comes on | DTC stored | Toyota Fortuner RM000000PFA00YX.html |
| P0051 | Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 2 Sensor 1) | - Open in Air-Fuel Ratio (A/F) sensor heater (bank 2 sensor 1) circuit - A/F sensor heater (bank 2 sensor 1) - A/F relay - ECM | Comes on | DTC stored | Toyota Fortuner RM000000WC100ZX.html |
| P0052 | Oxygen (A/F) Sensor Heater Control Circuit High (Bank 2 Sensor 1) | - Short in Air-Fuel Ratio (A/F) sensor heater (bank 2 sensor 1) circuit - A/F sensor heater (bank 2 sensor 1) - A/F relay - ECM | Comes on | DTC stored | Toyota Fortuner RM000000WC100ZX.html |
| P0057 | Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2) | - Same as DTC P0037 | Comes on | DTC stored | Toyota Fortuner RM000000PFA00YX.html |
| P0058 | Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2) | - Same as DTC P0038 | Comes on | DTC stored | Toyota Fortuner RM000000PFA00YX.html |
| P0100 | Mass Air Flow Circuit Malfunction | - Open or short in Mass Air Flow (MAF) meter circuit - MAF meter - ECM | Comes on | DTC stored | Toyota Fortuner RM000000YDP00LX.html |
| P0102 | Mass Air Flow Circuit Low | - Open in MAF meter circuit - MAF meter - ECM | Comes on | DTC stored | Toyota Fortuner RM000000YDP00LX.html |
| P0103 | Mass Air Flow Circuit High | - Short in MAF meter circuit - MAF meter - ECM | Comes on | DTC stored | Toyota Fortuner RM000000YDP00LX.html |
| P0110 | Intake Air Temperature Circuit | - Open or short in Intake Air Temperature (IAT) sensor circuit - IAT sensor (built into MAF meter) - ECM | Comes on | DTC stored | Toyota Fortuner RM000000UBX00KX.html |
| P0112 | Intake Air Temperature Circuit Low Input | - Short in IAT sensor circuit - IAT sensor (built into MAF meter) - ECM | Comes on | DTC stored | Toyota Fortuner RM000000UBX00KX.html |
| P0113 | Intake Air Temperature Circuit High Input | - Open in IAT sensor circuit - IAT sensor (built into MAF meter) - ECM | Comes on | DTC stored | Toyota Fortuner RM000000UBX00KX.html |
| P0115 | Engine Coolant Temperature Circuit | - Open or short in Engine Coolant Temperature (ECT) sensor circuit - ECT sensor - ECM | Comes on | DTC stored | Toyota Fortuner RM000000UCS00JX.html |
| P0116 | Engine Coolant Temperature Circuit Range / Performance Problem | - Cooling system - ECT sensor - Thermostat (water inlet) | Comes on | DTC stored | Toyota Fortuner RM000000YDB00JX.html |
| P0117 | Engine Coolant Temperature Circuit Low Input | - Short in ECT sensor circuit - ECT sensor - ECM | Comes on | DTC stored | Toyota Fortuner RM000000UCS00JX.html |
| P0118 | Engine Coolant Temperature Circuit High Input | - Open in ECT sensor circuit - ECT sensor - ECM | Comes on | DTC stored | Toyota Fortuner RM000000UCS00JX.html |
| P0120 | Throttle / Pedal Position Sensor / Switch "A" Circuit | - Throttle position sensor (built into throttle body) - ECM | Comes on | DTC stored | Toyota Fortuner RM000000UII00JX.html |
| P0121 | Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem | - Throttle position sensor (built into throttle body) - Throttle position sensor circuit - ECM | Comes on | DTC stored | Toyota Fortuner RM000000UII00JX.html |
| P0122 | Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input | - Throttle position sensor (built into throttle body) - Short in VTA1 circuit - Open in VC circuit - ECM | Comes on | DTC stored | Toyota Fortuner RM000000UII00JX.html |
| P0123 | Throttle / Pedal Position Sensor / Switch "A" Circuit High Input | - Throttle position sensor (built into throttle body) - Open in VTA1 circuit - Open in E2 circuit - Short between VC and VTA1 circuit - ECM | Comes on | DTC stored | Toyota Fortuner RM000000UII00JX.html |
| P0136 | Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2) | - Open or short in heated oxygen sensor (bank 1 sensor 2) - Heated oxygen sensor (bank 1 sensor 2) - Heated oxygen sensor heater (bank 1 sensor 2) - Integration relay | Comes on | DTC stored | Toyota Fortuner RM000000TEO00JX.html |
| P0137 | Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2) | - Same as DTC P0136 | Comes on | DTC stored | Toyota Fortuner RM000000TEO00JX.html |
| P0138 | Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2) | - Same as DTC P0136 | Comes on | DTC stored | Toyota Fortuner RM000000TEO00JX.html |
| P0156 | Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2) | - Open or short in heated oxygen sensor (bank 2 sensor 2) - Heated oxygen sensor (bank 2 sensor 2) - Heated oxygen sensor heater (bank 2 sensor 2) - Integration relay | Comes on | DTC stored | Toyota Fortuner RM000000TEO00JX.html |
| P0157 | Oxygen Sensor Circuit Low Voltage (Bank 2 Sensor 2) | - Same as DTC P0156 | Comes on | DTC stored | Toyota Fortuner RM000000TEO00JX.html |
| P0158 | Oxygen Sensor Circuit High Voltage (Bank 2 Sensor 2) | - Same as DTC P0156 | Comes on | DTC stored | Toyota Fortuner RM000000TEO00JX.html |
| P0171 | System Too Lean (Bank 1) | - Air induction system - Injector blockage - MAF meter - ECT sensor - Fuel pressure - Gas leakage in exhaust system - Open or short in A/F sensor (bank 1 sensor 1) circuit - A/F sensor (bank 1 sensor 1) - A/F sensor heater (bank 1 sensor 1) - A/F relay - A/F sensor heater and A/F relay circuits - PCV hose connections - PCV valve and hose - ECM | Comes on | DTC stored | Toyota Fortuner RM000000TV800JX.html |
| P0172 | System Too Rich (Bank 1) | - Injector leakage or blockage - MAF meter - ECT sensor - Ignition system - Fuel pressure - Gas leakage in exhaust system - Open or short in A/F sensor (bank 1 sensor 1) circuit - A/F sensor (bank 1 sensor 1) - A/F sensor heater (bank 1 sensor 1) - A/F relay - A/F sensor heater and A/F relay circuits - ECM | Comes on | DTC stored | Toyota Fortuner RM000000TV800JX.html |
| P0174 | System Too Lean (Bank 2) | - Air induction system - Injector blockage - MAF meter - ECT sensor - Fuel pressure - Gas leakage in exhaust system - Open or short in A/F sensor (bank 2 sensor 1) circuit - A/F sensor (bank 2 sensor 1) - A/F sensor heater (bank 2 sensor 1) - A/F relay - A/F sensor heater and A/F relay circuits - PCV hose connections - PCV valve an hose - ECM | Comes on | DTC stored | Toyota Fortuner RM000000TV800JX.html |
| P0175 | System Too Rich (Bank 2) | - Injector leakage or blockage - MAF meter - ECT sensor - Ignition system - Fuel pressure - Gas leakage in exhaust system - Open or short in A/F sensor (bank 2 sensor 1) circuit - A/F sensor (bank 2 sensor 1) - A/F sensor heater (bank 2 sensor 1) - A/F relay - A/F sensor heater and A/F relay circuits - ECM | Comes on | DTC stored | Toyota Fortuner RM000000TV800JX.html |
| P0220 | Throttle / Pedal Position Sensor / Switch "B" Circuit | - Throttle position sensor (built into throttle body) - ECM | Comes on | DTC stored | Toyota Fortuner RM000000UII00JX.html |
| P0222 | Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input | - Throttle position sensor (built into throttle body) - Short in VTA2 circuit - Open in VC circuit - ECM | Comes on | DTC stored | Toyota Fortuner RM000000UII00JX.html |
| P0223 | Throttle / Pedal Position Sensor / Switch "B" Circuit High Input | - Throttle position sensor (built into throttle body) - Open in VTA2 circuit - Open in E2 circuit - Short between VC and VTA2 circuit - ECM | Comes on | DTC stored | Toyota Fortuner RM000000UII00JX.html |
| P0230 | Fuel Pump Primary Circuit | - Open or short in fuel pump relay circuit - Fuel pump relay - ECM | - | DTC stored | Toyota Fortuner RM000000T8X00ZX.html |
| P0300 | Random / Multiple Cylinder Misfire Detected | - Open or short in engine wire harness - Connector connection - Vacuum hose connection - Ignition system - Injector - Fuel pressure - MAF meter - ECT sensor - Compression pressure - Valve clearance - Valve timing - PCV hose connection - PCV hose - ECM | Blinks | DTC stored | Toyota Fortuner RM000000XH300XX.html |
| P0301 | Cylinder 1 Misfire Detected | - Same as DTC P0300 | Blinks | DTC stored | Toyota Fortuner RM000000XH300XX.html |
| P0302 | Cylinder 2 Misfire Detected | - Same as DTC P0300 | Blinks | DTC stored | Toyota Fortuner RM000000XH300XX.html |
| P0303 | Cylinder 3 Misfire Detected | - Same as DTC P0300 | Blinks | DTC stored | Toyota Fortuner RM000000XH300XX.html |
| P0304 | Cylinder 4 Misfire Detected | - Same as DTC P0300 | Blinks | DTC stored | Toyota Fortuner RM000000XH300XX.html |
| P0305 | Cylinder 5 Misfire Detected | - Same as DTC P0300 | Blinks | DTC stored | Toyota Fortuner RM000000XH300XX.html |
| P0306 | Cylinder 6 Misfire Detected | - Same as DTC P0300 | Blinks | DTC stored | Toyota Fortuner RM000000XH300XX.html |
| P0327 | Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) | - Short in knock sensor circuit - Knock sensor - ECM | Comes on | DTC stored | Toyota Fortuner RM000000YF400JX.html |
| P0328 | Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor) | - Open in knock sensor circuit - Knock sensor - ECM | Comes on | DTC stored | Toyota Fortuner RM000000YF400JX.html |
| P0332 | Knock Sensor 2 Circuit Low Input (Bank 2) | - Same as DTC P0327 | Comes on | DTC stored | Toyota Fortuner RM000000YF400JX.html |
| P0333 | Knock Sensor 2 Circuit High Input (Bank 2) | - Same as DTC P0328 | Comes on | DTC stored | Toyota Fortuner RM000000YF400JX.html |
| P0335 | Crankshaft Position Sensor "A" Circuit | - Open or short in crankshaft position sensor circuit - Crankshaft position sensor - Sensor plate (crankshaft) - ECM | Comes on | DTC stored | Toyota Fortuner RM000000TCW01BX.html |
| P0339 | Crankshaft Position Sensor "A" Circuit Intermittent | - Same as DTC P0335 | Comes on | DTC stored | Toyota Fortuner RM000000TCW01BX.html |
| P0340 | Camshaft Position Sensor Circuit Malfunction | - Open or short in VVT sensor circuit - VVT sensor - Camshaft timing pulley - Jumped tooth of timing chain - ECM | Comes on | DTC stored | Toyota Fortuner RM000000WBZ00TX.html |
| P0342 | Camshaft Position Sensor "A" Circuit Low Input (Bank 1 or Single Sensor) | - Same as DTC P0340 | Comes on | DTC stored | Toyota Fortuner RM000000WBZ00TX.html |
| P0343 | Camshaft Position Sensor "A" Circuit High Input (Bank 1 or Single Sensor) | - Same as DTC P0340 | Comes on | DTC stored | Toyota Fortuner RM000000WBZ00TX.html |
| P0345 | Camshaft Position Sensor "A" Circuit (Bank 2) | - Same as DTC P0340 | Comes on | DTC stored | Toyota Fortuner RM000000WBZ00TX.html |
| P0347 | Camshaft Position Sensor "A" Circuit Low Input (Bank 2) | - Same as DTC P0340 | Comes on | DTC stored | Toyota Fortuner RM000000WBZ00TX.html |
| P0348 | Camshaft Position Sensor "A" Circuit High Input (Bank 2) | - Same as DTC P0340 | Comes on | DTC stored | Toyota Fortuner RM000000WBZ00TX.html |
| P0351 | Ignition Coil "A" Primary / Secondary Circuit | - Ignition system - Open or short in IGF or IGT1 circuits from ignition coil to ECM - No. 1 ignition coil - ECM | Comes on | DTC stored | Toyota Fortuner RM000000XH400VX.html |
| P0352 | Ignition Coil "B" Primary / Secondary Circuit | - Ignition system - Open or short in IGF or IGT2 circuits from ignition coil to ECM - No. 2 ignition coil - ECM | Comes on | DTC stored | Toyota Fortuner RM000000XH400VX.html |
| P0353 | Ignition Coil "C" Primary / Secondary Circuit | - Ignition system - Open or short in IGF or IGT3 circuits from ignition coil to ECM - No. 3 ignition coil - ECM | Comes on | DTC stored | Toyota Fortuner RM000000XH400VX.html |
| P0354 | Ignition Coil "D" Primary / Secondary Circuit | - Ignition system - Open or short in IGF or IGT4 circuits from ignition coil to ECM - No. 4 ignition coil - ECM | Comes on | DTC stored | Toyota Fortuner RM000000XH400VX.html |
| P0355 | Ignition Coil "E" Primary / Secondary Circuit | - Ignition system - Open or short in IGF or IGT5 circuits from ignition coil to ECM - No. 5 ignition coil - ECM | Comes on | DTC stored | Toyota Fortuner RM000000XH400VX.html |
| P0356 | Ignition Coil "F" Primary / Secondary Circuit | - Ignition system - Open or short in IGF or IGT6 circuits from ignition coil to ECM - No. 6 ignition coil - ECM | Comes on | DTC stored | Toyota Fortuner RM000000XH400VX.html |
| P0420 | Catalyst System Efficiency Below Threshold (Bank 1) | - Gas leakage from exhaust system - A/F sensor (bank 1 sensor 1) - Heated oxygen sensor (bank 1 sensor 2) - Exhaust manifold (Three-way Catalytic Converter [TWC]) | Comes on | DTC stored | Toyota Fortuner RM000000TMD00KX.html |
| P0430 | Catalyst System Efficiency Below Threshold (Bank 2) | - Gas leakage from exhaust system - A/F sensor (bank 2 sensor 1) - Heated oxygen sensor (bank 2 sensor 2) - Exhaust manifold (Three-way Catalytic Converter [TWC]) | Comes on | DTC stored | Toyota Fortuner RM000000TMD00KX.html |
| P0443 | Evaporative Emission Control System Purge Control Valve Circuit | - Open or short in purge VSV circuit - Purge VSV - ECM | Comes on | DTC stored | Toyota Fortuner RM0000010BJ00MX.html |
| P0500 | Vehicle Speed Sensor Malfunction | - Open or short in vehicle speed sensor circuit - Vehicle speed sensor - Combination meter - ECM | Comes on | DTC stored | Toyota Fortuner RM00000127Y004X.html |
| P0504 | Brake Switch "A" / "B" Correlation | - Short in stop light switch signal circuit - STOP fuse - Stop light switch - ECM | - | DTC stored | Toyota Fortuner RM000000T8O00MX.html |
| P0505 | Idle Control System Malfunction | - Open in back-up power source circuit - ECM | Comes on | DTC stored | Toyota Fortuner RM000000T8M01BX.html |
| P0560 | System Voltage | - ECM | Comes on | DTC stored | Toyota Fortuner RM000000T8P01CX.html |
| P0604 | Internal Control Module Random Access Memory (RAM) Error | - ECM | Comes on | DTC stored | Toyota Fortuner RM000000YE800IX.html |
| P0606 | ECM / PCM Processor | - ECM | Comes on | DTC stored | Toyota Fortuner RM000000YE800IX.html |
| P0607 | Control Module Performance | - ECM | Comes on | DTC stored | Toyota Fortuner RM000000YE800IX.html |
| P0617 | Starter Relay Circuit High | - Short in PNP switch (A/T) circuit - STA signal circuit (M/T) - PNP switch (A/T) - Ignition switch - ECM | Comes on | DTC stored | Toyota Fortuner RM000000TA001BX.html |
| P0657 | Actuator Supply Voltage Circuit / Open | - ECM | Comes on | DTC stored | Toyota Fortuner RM000000YE800IX.html |
| P0660 | Intake Manifold Tuning Valve Control Circuit / Open (Bank 1) | - Open or short in VSV for ACIS circuit - VSV for ACIS - ECM | Comes on | DTC stored | Toyota Fortuner RM0000014Z0003X.html |
| P2102 | Throttle Actuator Control Motor Circuit Low | - Open in throttle actuator circuit - Throttle actuator - ECM | Comes on | DTC stored | Toyota Fortuner RM000000PFU018X.html |
| P2103 | Throttle Actuator Control Motor Circuit High | - Short in throttle actuator circuit - Throttle actuator - Throttle valve - Throttle body - ECM | Comes on | DTC stored | Toyota Fortuner RM000000PFU018X.html |
| P2111 | Throttle Actuator Control System - Stuck Open | - Throttle actuator - Throttle valve - Throttle body | Comes on | DTC stored | Toyota Fortuner RM000000PFV019X.html |
| P2112 | Throttle Actuator Control System - Stuck Closed | - Same as DTC P2111 | Comes on | DTC stored | Toyota Fortuner RM000000PFV019X.html |
| P2118 | Throttle Actuator Control Motor Current Range / Performance | - Open in ETCS power source circuit - ETCS fuse - ECM | Comes on | DTC stored | Toyota Fortuner RM000000PFW01AX.html |
| P2119 | Throttle Actuator Control Throttle Body Range / Performance | - ETCS - ECM | Comes on | DTC stored | Toyota Fortuner RM000000PFX019X.html |
| P2120 | Throttle / Pedal Position Sensor / Switch "D" Circuit | - Accelerator pedal position sensor - ECM | Comes on | DTC stored | Toyota Fortuner RM000000PFY014X.html |
| P2121 | Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance | - Accelerator pedal position sensor circuit - Accelerator pedal position sensor - ECM | Comes on | DTC stored | Toyota Fortuner RM000000PFZ016X.html |
| P2122 | Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input | - Accelerator pedal position sensor - Open in VCP1 circuit - Open or ground short VPA1 circuit - ECM | Comes on | DTC stored | Toyota Fortuner RM000000PFY014X.html |
| P2123 | Throttle / Pedal Position Sensor / Switch "D" Circuit High Input | - Accelerator pedal position sensor - Open in EPA circuit - ECM | Comes on | DTC stored | Toyota Fortuner RM000000PFY014X.html |
| P2125 | Throttle / Pedal Position Sensor / Switch "E" Circuit | - Accelerator pedal position sensor - ECM | Comes on | DTC stored | Toyota Fortuner RM000000PFY014X.html |
| P2127 | Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input | - Accelerator pedal position sensor - Open in VCP2 circuit - Open or ground short in VPA2 circuit - ECM | Comes on | DTC stored | Toyota Fortuner RM000000PFY014X.html |
| P2128 | Throttle / Pedal Position Sensor / Switch "E" Circuit High Input | - Accelerator pedal position sensor - Open in EPA2 circuit - ECM | Comes on | DTC stored | Toyota Fortuner RM000000PFY014X.html |
| P2135 | Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation | - Short in VTA1 and VTA2 circuits - Throttle position sensor (built into throttle body) - ECM | Comes on | DTC stored | Toyota Fortuner RM000000UII00JX.html |
| P2138 | Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation | - Short in VPA and VPA2 circuits - Accelerator pedal position sensor - ECM | Comes on | DTC stored | Toyota Fortuner RM000000PFY014X.html |
| P2195 | Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1) | - Open or short in A/F sensor (bank 1 sensor 1) circuit - A/F sensor (bank 1 sensor 1) - A/F sensor heater (bank 1 sensor 1) - A/F sensor heater relay - A/F sensor heater and relay circuit - Air induction system - Fuel pressure - Injector - ECM | Comes on | DTC stored | Toyota Fortuner RM000000WC4011X.html |
| P2196 | Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1) | - Same as DTC P2195 | Comes on | DTC stored | Toyota Fortuner RM000000WC4011X.html |
| P2197 | Oxygen (A/F) Sensor Signal Stuck Lean (Bank 2 Sensor 1) | - Open or short in A/F sensor (bank 2 sensor 1) circuit - A/F sensor (bank 2 sensor 1) - A/F sensor heater (bank 2 sensor 1) - A/F sensor heater relay - A/F sensor heater and relay circuit - Air induction system - Fuel pressure - Injector - ECM | Comes on | DTC stored | Toyota Fortuner RM000000WC4011X.html |
| P2198 | Oxygen (A/F) Sensor Signal Stuck Rich (Bank 2 Sensor 1) | - Same as DTC P2197 | Comes on | DTC stored | Toyota Fortuner RM000000WC4011X.html |
| P2238 | Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1) | - Open or short in A/F sensor circuit - A/F sensor - A/F sensor heater - A/F relay - A/F sensor heater and relay circuits - ECM | Comes on | DTC stored | Toyota Fortuner RM000000XOK010X.html |
| P2239 | Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1) | - Same as DTC P2238 | Comes on | DTC stored | Toyota Fortuner RM000000XOK010X.html |
| P2241 | Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 2 Sensor 1) | - Same as DTC P2238 | Comes on | DTC stored | Toyota Fortuner RM000000XOK010X.html |
| P2242 | Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 2 Sensor 1) | - Same as DTC P2238 | Comes on | DTC stored | Toyota Fortuner RM000000XOK010X.html |
| P2252 | Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1) | - Same as DTC P2238 | Comes on | DTC stored | Toyota Fortuner RM000000XOK010X.html |
| P2253 | Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1) | - Same as DTC P2238 | Comes on | DTC stored | Toyota Fortuner RM000000XOK010X.html |
| P2255 | Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 2 Sensor 1) | - Same as DTC P2238 | Comes on | DTC stored | Toyota Fortuner RM000000XOK010X.html |
| P2256 | Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 2 Sensor 1) | - Same as DTC P2238 | Comes on | DTC stored | Toyota Fortuner RM000000XOK010X.html |
| P2A00 | A/F Sensor Circuit Slow Response (Bank 1 Sensor 1) | - Open or short in A/F sensor (bank 1 sensor 1) circuit - A/F sensor (bank 1 sensor 1) - A/F sensor heater - A/F sensor heater relay - A/F sensor heater and relay circuit - Air induction system - Fuel pressure - Injector - PCV valve and hose - PCV hose connections - ECM | Comes on | DTC stored | Toyota Fortuner RM000000WC2010X.html |
| P2A03 | A/F Sensor Circuit Slow Response (Bank 2 Sensor 1) | - Open or short in A/F sensor (bank 2 sensor 1) circuit - A/F sensor (bank2 sensor 1) - A/F sensor heater - A/F sensor heater relay - A/F sensor heater and relay circuit - Air induction system - Fuel pressure - Injector - PCV valve and hose - PCV hose connections - ECM | - | DTC stored | Toyota Fortuner RM000000WC2010X.html |