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.
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HOMESERVICE MANUALSTOYOTA2004CELICA GT, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 91 (ENGINE CONTROLS - SELF-DIAGNOSTICS)DIAGNOSTIC TROUBLE CODE DEFINITIONS
2004 Toyota Celica GT, Standard
Diagnostic Trouble Code Definitions
2004 Toyota Celica GT, StandardSECTION Diagnostic Trouble Code Definitions
WARNING: This page is about a different car, the 2003 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| DTC (1) | Definition | ||||
|---|---|---|---|---|---|
| P0010 | Camshaft Position "A" Actuator Circuit (Bank 1) | ||||
| P0011 | Camshaft Position "A" - Timing Over Advanced Or System Performance (Bank 1) | ||||
| P0012 | Camshaft Position "A" - Timing Over Retarded (Bank 1) | ||||
| P0016 | Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) | ||||
| P0018 | Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A) | ||||
| P0020 | Camshaft Position "A" Actuator Circuit (Bank 2) | ||||
| P0021 | Camshaft Position "A" - Timing Over Advanced Or System Performance (Bank 2) | ||||
| P0022 | Camshaft Position "A" - Timing Over Retarded (Bank 2) | ||||
| P0031 | Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 1) | ||||
| P0032 | Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 1) | ||||
| P0037 | Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2) | ||||
| P0038 | Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2) | ||||
| P0051 | Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 1) | ||||
| P0052 | Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 1) | ||||
| P0057 | Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2) | ||||
| P0058 | Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2) | ||||
| P0100 | Mass Or Volume Airflow Circuit | ||||
| P0101 | Mass Or Volume Airflow Circuit Range/Performance Fault | ||||
| P0102 | Mass Or Volume Airflow Circuit Low Input | ||||
| P0103 | Mass Or Volume Airflow Circuit High Input | ||||
| P0110 | Intake Air Temperature Circuit | ||||
| P0112 | Intake Air Temperature Circuit Low Input | ||||
| P0113 | Intake Air Temperature Circuit High Input | ||||
| P0115 | Engine Coolant Temperature Circuit | ||||
| P0116 | Engine Coolant Temperature Circuit Range/Performance Fault | ||||
| P0117 | Engine Coolant Temperature Circuit Low Input | ||||
| P0118 | Engine Coolant Temperature Circuit High Input | ||||
| P0120 | Throttle/Pedal Position Sensor/Switch "A" Circuit | ||||
| P0121 | Throttle/Pedal Position Sensor "A" Circuit Range/Performance Fault | ||||
| P0122 | Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input | ||||
| P0123 | Throttle/Pedal Position Sensor/Switch "A" Circuit High Input | ||||
| P0125 | Insufficient Coolant Temperature For Closed Loop Fuel Control | ||||
| P0128 | Thermostat Malfunction | ||||
| P0130 | Oxygen Sensor Circuit (Bank 1 Sensor 1) | ||||
| P0133 | Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1) | ||||
| P0134 | Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1) | ||||
| P0136 | Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2) | ||||
| P0150 | Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 1) | ||||
| P0153 | Oxygen Sensor Circuit Slow Response (Bank 2 Sensor 1) | ||||
| P0154 | Oxygen Sensor Circuit No Activity Detected (Bank 2 Sensor 1) | ||||
| P0156 | Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2) | ||||
| P0171 | System Too Lean (Bank No. 1) | ||||
| P0172 | System Too Rich (Bank No. 1) | ||||
| P0174 | System Too Lean (Bank No. 2) | ||||
| P0175 | System Too Rich (Bank No. 2) | ||||
| P0220 | Throttle/Pedal Position Sensor/Switch "B" Circuit | ||||
| P0222 | Throttle/Pedal Position Sensor/Switch "B" Circuit Low Input | ||||
| P0223 | Throttle/Pedal Position Sensor/Switch "B" Circuit High Input | ||||
| P0230 | Fuel Pump Primary Circuit | ||||
| P0300 | Random/Multiple Cylinder Misfire Detected | ||||
| P0301, P0302, P0303, P0304, P0305, P0306, P0307 Or P0308 | Cylinders No. 1-8 Misfire Detected | ||||
| P0325 | Knock Sensor 1 Circuit (Bank 1 Or Single Sensor) | ||||
| P0330 | Knock Sensor 2 Circuit (Bank 2) | ||||
| P0335 | Crankshaft Position Sensor "A" Circuit | ||||
| P0339 | Crankshaft Position Sensor "A" Circuit Intermittent | ||||
| P0340 | Camshaft Position Sensor "A" Circuit (Bank 1 Or Single Sensor) | ||||
| P0341 | Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 Or Single Sensor) | ||||
| P0345 | Camshaft Position Sensor "A" Circuit (Bank 2) | ||||
| P0346 | Camshaft Position Sensor "A" Circuit Range/Performance (Bank 2) | ||||
| P0351 | Ignition Coil "A" Primary/Secondary Circuit | ||||
| P0352 | Ignition Coil "B" Primary/Secondary Circuit | ||||
| P0353 | Ignition Coil "C" Primary/Secondary Circuit | ||||
| P0354 | Ignition Coil "D" Primary/Secondary Circuit | ||||
| P0355 | Ignition Coil "E" Primary/Secondary Circuit | ||||
| P0356 | Ignition Coil "F" Primary/Secondary Circuit | ||||
| P0357 | Ignition Coil "G" Primary/Secondary Circuit | ||||
| P0358 | Ignition Coil "H" Primary/Secondary Circuit | ||||
| P0420 | Catalyst System Efficiency Below Threshold (Bank No. 1) | ||||
| P0430 | Catalyst System Efficiency Below Threshold (Bank No. 2) | ||||
| P0441 | Evaporative Emission Control System Incorrect Purge Flow | ||||
| P0442 | Evaporative Emission Control System Leak Detected (Small Leak) | ||||
| P0446 | Evaporative Emission Control System Vent Control Circuit | ||||
| P0451 | EVAP System Pressure Sensor/Switch Range/Performance | ||||
| P0452 | EVAP System Pressure Sensor/Switch Low Input | ||||
| P0453 | EVAP System Pressure Sensor/Switch High Input | ||||
| P0456 | Evaporative Emission Control System Leak Detected (Very Small Leak) | ||||
| P0500 | Vehicle Speed Sensor "A" | ||||
| P0503 | Vehicle Speed Sensor "A" Intermittent/Erratic/High | ||||
| P0504 | Brake Switch "A"/"B" Correlation | ||||
| P0505 | Idle Air Control System Malfunction | ||||
| P0560 | System Voltage | ||||
| P0571 | Brake Switch "A" Circuit | ||||
| P0604 | Internal Control Module Random Access Memory (RAM) Error | ||||
| P0606 | ECM/PCM Processor | ||||
| P0607 | Control Module Performance | ||||
| P0617 | Starter Relay Circuit High | ||||
| P0657 | Actuator Supply Voltage Circuit/Open | ||||
| P0705 | Transmission Range Sensor Circuit Malfunction (PRNDL Input) | ||||
| P07XX | (2) | ||||
| P09XX | (2) | ||||
| P1340 | Camshaft Position Sensor "A" (Bank 1 Sensor 2) | ||||
| P1341 | Camshaft Position Sensor "A" (Bank 1 Sensor 2) | ||||
| P1645 | Gateway ECU Malfunction | ||||
| P2102 | Throttle Actuator Control Motor Circuit Low | ||||
| P2103 | Throttle Actuator Control Motor Circuit High | ||||
| P2111 | Throttle Actuator Control System Stuck Open | ||||
| P2112 | Throttle Actuator Control System Stuck Closed | ||||
| P2118 | Throttle Actuator Control Motor Current Range/Performance | ||||
| P2119 | Throttle Actuator Control Throttle Body Range/Performance | ||||
| P2120 | Throttle/Pedal Position Sensor/Switch "D" Circuit | ||||
| P2121 | Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance | ||||
| P2122 | Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input | ||||
| P2123 | Throttle/Pedal Position Sensor/Switch "D" Circuit High Input | ||||
| P2125 | Throttle/Pedal Position Sensor/Switch "E" Circuit | ||||
| P2127 | Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input | ||||
| P2128 | Throttle/Pedal Position Sensor/Switch "E" Circuit High Input | ||||
| P2135 | Throttle/Pedal Position Sensor/Switch "A"/"B" Circuit | ||||
| P2138 | Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation | ||||
| P2195 | Oxygen Sensor Signal Stuck Lean (Bank 1 Sensor 1) | ||||
| P2196 | Oxygen Sensor Signal Stuck Rich (Bank 1 Sensor 1) | ||||
| P2197 | Oxygen Sensor Signal Stuck Lean (Bank 2 Sensor 1) | ||||
| P2198 | Oxygen Sensor Signal Stuck Rich (Bank 2 Sensor 1) | ||||
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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.