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Diagnostic Trouble Code Definitions

NOTE: Testing information in this article does not apply to Montero Sport. For DTCs and testing procedures on Montero Sport, see SELF-DIAGNOSTICS - MONTERO SPORT article.
NOTE: DTCs can only be retrieved by using a scan tool. See ENTERING ON-BOARD DIAGNOSTICS under SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - INTRODUCTION article.
DIAGNOSTIC TROUBLE CODE (DTC) INDEX

DTC (1) Description
No Code ECM/PCM Malfunction
P0100  Volume Airflow (VAF) Sensor Circuit Malfunction
P0105  Barometric Pressure (BARO) Sensor Circuit Malfunction
P0110  Intake Air Temperature (IAT) Sensor Circuit Malfunction
P0115  Engine Coolant Temperature (ECT) Sensor Malfunction
P0120  Throttle Position (TP) Sensor Circuit Malfunction
P0125 (2) Excessive Time To Enter Closed Loop Fuel Control
P0130  Front Heated Oxygen Sensor (HO2S) Circuit Malfunction
P0135  Front Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction
P0136  Rear Heated Oxygen Sensor (HO2S) Circuit Malfunction
P0141  Rear Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction
P0150  Front Heated Oxygen Sensor (HO2S) Circuit Malfunction
P0155  Front Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction
P0156  Rear Heated Oxygen Sensor (HO2S) Circuit Malfunction
P0161  Rear Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction
P0170  Fuel Trim Malfunction
P0173  Fuel Trim Malfunction
P0201  Fuel Injector Cylinder No. 1 Circuit Malfunction
P0202  Fuel Injector Cylinder No. 2 Circuit Malfunction
P0203  Fuel Injector Cylinder No. 3 Circuit Malfunction
P0204  Fuel Injector Cylinder No. 4 Circuit Malfunction
P0205  Fuel Injector Cylinder No. 5 Circuit Malfunction
P0206  Fuel Injector Cylinder No. 6 Circuit Malfunction
P0300 (2) Random Misfire Detected
P0301 (2) Cylinder No. 1 Misfire Detected
P0302 (2) Cylinder No. 2 Misfire Detected
P0303 (2) Cylinder No. 3 Misfire Detected
P0304 (2) Cylinder No. 4 Misfire Detected
P0305 (2) Cylinder No. 5 Misfire Detected
P0306 (2) Cylinder No. 6 Misfire Detected
P0335  Crankshaft Position (CKP) Sensor Circuit Malfunction
P0340  Camshaft Position (CMP) Sensor Circuit Malfunction
P0400  Exhaust Gas Recirculation (EGR) Flow System Malfunction
P0403  Exhaust Gas Recirculation (EGR) Solenoid Malfunction
P0420  Catalyst Efficiency Below Threshold (Federal)
P0421  Catalyst Efficiency Below Threshold (California)
P0431  Catalyst Efficiency Below Threshold (California)
P0442  Evaporative Emission (EVAP) Control System Leak Detected
P0443  Evaporative Emission (EVAP) System Purge Solenoid Circuit Malfunction
P0446  Evaporative Emission (EVAP) Control System Ventilation Control Malfunction
P0450  Evaporative Emission (EVAP) System Pressure Sensor Malfunction
P0455  Evaporative Emission (EVAP) Control System Large Leak Detected
P0500  Vehicle Speed Sensor (VSS) Circuit Malfunction
P0505  Idle Control System Malfunction
P0510  Closed Throttle Position Switch Malfunction
P0551  Power Steering Pressure (PSP) Sensor Circuit Performance
P0705  Transmission Range Sensor Circuit Malfunction
P1400  Manifold Differential Pressure (MDP) Sensor Circuit Malfunction
P1600  Serial Communication Link Malfunction
P1791  Engine Coolant Temperature Level Input To TCM
(1) All DTCs use two-trip fault detection logic unless otherwise specified. If DTC is for a fault that may affect emissions, MIL will also illuminate.
(2) This DTC will set on first trip fault is detected.