Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Mitsubishi Eclipse RS, AutomaticFACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Definitions
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) Circuit Malfunction | ||||
| P0105 | Barometric Pressure (BARO) Circuit Malfunction | ||||
| P0110 | Intake Air Temperature (IAT) Circuit Malfunction | ||||
| P0115 | Engine Coolant Temperature (ECT) Circuit 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 (2.4L; 3.0L Federal), Or Bank 1 Sensor 1 HO2S Circuit Malfunction (3.0L California) | ||||
| P0135 | Front Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction (2.4L; 3.0L Federal), Or Bank 1 Sensor 1 Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction (3.0L California) | ||||
| P0136 | Rear Heated Oxygen Sensor (HO2S) Circuit Malfunction (2.4L; 3.0L Federal), Or Bank 1 Sensor 2 HO2S Circuit Malfunction (3.0L California) | ||||
| P0141 | Rear Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction (2.4L; 3.0L Federal), Or Bank 1 Sensor 2 HO2S Heater Circuit Malfunction (3.0L California) | ||||
| P0150 | Bank 2 Sensor 1 Heated Oxygen Sensor (HO2S) Circuit Malfunction (3.0L California) | ||||
| P0155 | Bank 2 Sensor 1 Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction (3.0L California) | ||||
| P0156 | Bank 2 Sensor 2 Heated Oxygen Sensor (HO2S) Circuit Malfunction (3.0L California) | ||||
| P0161 | Bank 2 Sensor 2 Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction (3.0L California) | ||||
| P0170 | Fuel Trim Malfunction | ||||
| P0173 | Fuel Trim 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 | ||||
| P0325 | Knock Sensor (KS) Circuit Malfunction | ||||
| 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 | Catalytic Converter Efficiency Below Threshold (Federal) | ||||
| P0421 | Warm-Up Catalytic Converter Efficiency Below Threshold (California) | ||||
| P0431 | Warm-Up Catalytic Converter Efficiency Below Threshold (California) | ||||
| P0442 | Evaporative Emission (EVAP) Control System Small Leak Detected | ||||
| P0443 | Evaporative Emission (EVAP) Control System Purge Solenoid Circuit Malfunction | ||||
| P0446 | Evaporative Emission (EVAP) Control System Ventilation Control Malfunction | ||||
| P0455 | Evaporative Emission (EVAP) Control System Large Leak Detected | ||||
| P0500 | Vehicle Speed Sensor (VSS) Malfunction | ||||
| P0505 | Idle Control System Malfunction | ||||
| P0551 | Power Steering Pressure Sensor Circuit Range/Performance | ||||
| P0705 | Transmission Range Sensor Circuit Malfunction (A/T) | ||||
| P0710 | Transaxle Fluid Temperature Sensor Circuit Malfunction | ||||
| 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 | ||||
| P1500 | Generator FR Terminal Circuit Malfunction | ||||
| P1600 | Serial Communication Link Malfunction (A/T) | ||||
| P1751 | A/T Control Relay Malfunction | ||||
| P1795 | Throttle Position Input Circuit Malfunction | ||||
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Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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