Diagnostic Trouble Code Definitions

NOTE: Testing information in this article does not apply to Montero. For DTCs and testing procedures on Montero, see SELF-DIAGNOSTICS -- MONTERO 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 (BARO) Pressure Sensor Circuit Malfunction

P0110

Intake Air Temperature (IAT) Sensor Circuit Malfunction

P0115

Engine Coolant Temperature (ECT) Sensor Circuit Malfunction

P0120

Throttle Position (TP) Sensor Circuit Malfunction

P0125 ⁽²⁾

Excessive Time To Enter Closed Loop Fuel Control

P0128

Coolant Thermostat Malfunction

P0130

Front Heated Oxygen Sensor (HO2S) Circuit Malfunction (Federal)

P0130

Bank 1 Sensor 1 Heated Oxygen Sensor (HO2S) Circuit Malfunction (California)

P0135

Front Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction (Federal)

P0135

Bank 1 Sensor 1 Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction (California)

P0136

Rear Heated Oxygen Sensor (HO2S) Circuit Malfunction (Federal)

P0136

Bank 1 Sensor 2 Heated Oxygen Sensor (HO2S) Circuit Malfunction (California)

P0141

Rear Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction (Federal)

P0141

Bank 1 Sensor 2 Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction (California)

P0150

Bank 2 Sensor 1 Heated Oxygen Sensor (HO2S) Circuit Malfunction (California)

P0155

Bank 2 Sensor 1 Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction (California)

P0156

Bank 2 Sensor 2 Heated Oxygen Sensor (HO2S) Circuit Malfunction (California)

P0161

Bank 2 Sensor 2 Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction (California)

P0170

Fuel Trim Malfunction

P0173

Fuel Trim Malfunction

P0180

Fuel Temperature Sensor Circuit Malfunction

P0201

Injector No. 1 Circuit Malfunction

P0202

Injector No. 2 Circuit Malfunction

P0203

Injector No. 3 Circuit Malfunction

P0204

Injector No. 4 Circuit Malfunction

P0205

Injector No. 5 Circuit Malfunction

P0206

Injector No. 6 Circuit Malfunction

P0300

Random Misfire Detected

P0301

Cylinder No. 1 Misfire Detected

P0302

Cylinder No. 2 Misfire Detected

P0303

Cylinder No. 3 Misfire Detected

P0304

Cylinder No. 4 Misfire Detected

P0305

Cylinder No. 5 Misfire Detected

P0306

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 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 (EVAP) Emission Control System Leak Detected

P0443

Evaporative (EVAP) Emission Control System Purge Control Valve Circuit Malfunction

P0446

Evaporative (EVAP) Emission Control System Ventilation Control Malfunction

P0450

Evaporative (EVAP) Emission Control System Pressure Sensor Malfunction

P0455

Evaporative (EVAP) Emission Control System Large Leak Detected

P0460

Fuel Level Sensor Circuit Malfunction

P0500

Vehicle Speed Sensor (VSS) Circuit Malfunction

P0505 ⁽³⁾

Idle Control System Malfunction (3.5L)

P0510 ⁽⁴⁾

Closed Throttle Position (TP) Switch Malfunction (3.0L)

P0551

Power Steering Pressure (PSP) Sensor Circuit Performance

P0705

Transmission Range Sensor Circuit Malfunction

P0710

Transmission Fluid Temperature Sensor Circuit Malfunctions

P0715

Input/Turbine Speed Sensor Circuit Malfunction

P0720

Output Speed Sensor Circuit Malfunction

P0725

Engine Speed Input Circuit Malfunction

P0740

Torque Converter Clutch System Malfunction

P0750

Shift Solenoid "A" Malfunction

P0755

Shift Solenoid "B" Malfunction

P0760

Shift Solenoid "C" Malfunction

P0765

Shift Solenoid "D" Malfunction

P1400

Manifold Differential Pressure (MDP) Sensor Circuit Malfunction

P1600

Serial Communication Link Malfunction

P1720

Vehicle Speed Sensor Signal Line

P1751

A/T Control Relay Malfunction

P1795

Throttle Position Input Circuit Malfunction

⁽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.

⁽³⁾	Applies to 3.5L only.

⁽⁴⁾	Applies to 3.0L only.