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Home
Trouble Codes
OBD II
OBD II Trouble Code Definitions
Switch to OBD1 Trouble Codes
OBD2 Diagnostic Trouble Code Tables
P0100 - P0199
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P0200 - P0299
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P0300 - P0399
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P0400 - P0499
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P0500 - P0599
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P0600 - P0699
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P0700 - P0799
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P0800 - P0899
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P1000 - P1099
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P1100 - P1199
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P1200 - P1299
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P1300 - P1399
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P1400 - P1499
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P1500 - P1599
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P1600 - P1699
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P1700 - P1799
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P1800 - P1899
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P0400
- Exhaust Gas Recirculation Flow Malfunction
P0401
- Exhaust Gas Recirculation Flow Insufficient Detected
P0402
- Exhaust Gas Recirculation Flow Excessive Detected
P0403
- Exhaust Gas Recirculation Circuit Malfunction
P0404
- Exhaust Gas Recirculation Circuit Range/Performance
P0405
- Exhaust Gas Recirculation Sensor A Circuit Low
P0406
- Exhaust Gas Recirculation Sensor A Circuit High
P0407
- Exhaust Gas Recirculation Sensor B Circuit Low
P0408
- Exhaust Gas Recirculation Sensor B Circuit High
P0410
- Secondary Air Injection System Malfunction
P0411
- Secondary Air Injection System Incorrect Flow Detected
P0412
- Secondary Air Injection System Switching Valve A Circuit Malfunction
P0413
- Secondary Air Injection System Switching Valve A Circuit Open
P0414
- Secondary Air Injection System Switching Valve A Circuit Shorted
P0415
- Secondary Air Injection System Switching Valve B Circuit Malfunction
P0416
- Secondary Air Injection System Switching Valve B Circuit Open
P0417
- Secondary Air Injection System Switching Valve B Circuit Shorted
P0418
- Secondary Air Injection System Relay "A" Circuit Malfunction
P0419
- Secondary Air Injection System Relay "B" Circuit Malfunction
P0420
- Catalyst System Efficiency Below Threshold (Bank 1)
P0421
- Warm Up Catalyst Efficiency Below Threshold (Bank 1)
P0422
- Main Catalyst Efficiency Below Threshold (Bank 1)
P0423
- Heated Catalyst Efficiency Below Threshold (Bank 1)
P0424
- Heated Catalyst Temperature Below Threshold (Bank 1)
P0430
- Catalyst System Efficiency Below Threshold (Bank 2)
P0431
- Warm Up Catalyst Efficiency Below Threshold (Bank 2)
P0432
- Main Catalyst Efficiency Below Threshold (Bank 2)
P0433
- Heated Catalyst Efficiency Below Threshold (Bank 2)
P0434
- Heated Catalyst Temperature Below Threshold (Bank 2)
P0440
- Evaporative Emission Control System Malfunction
P0441
- Evaporative Emission Control System Incorrect Purge Flow
P0442
- Evaporative Emission Control System Leak Detected (small leak)
P0443
- Evaporative Emission Control System Purge Control Valve Circuit Malfunction
P0444
- Evaporative Emission Control System Purge Control Valve Circuit Open
P0445
- Evaporative Emission Control System Purge Control Valve Circuit Shorted
P0446
- Evaporative Emission Control System Vent Control Circuit Malfunction
P0447
- Evaporative Emission Control System Vent Control Circuit Open
P0448
- Evaporative Emission Control System Vent Control Circuit Shorted
P0449
- Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction
P0450
- Evaporative Emission Control System Pressure Sensor Malfunction
P0451
- Evaporative Emission Control System Pressure Sensor Range/Performance
P0452
- Evaporative Emission Control System Pressure Sensor Low Input
P0453
- Evaporative Emission Control System Pressure Sensor High Input
P0454
- Evaporative Emission Control System Pressure Sensor Intermittent
P0455
- Evaporative Emission Control System Leak Detected (gross leak)
P0456
- EVAP Leak Monitor Small Leak Detected
P0460
- Fuel Level Sensor Circuit Malfunction
P0461
- Fuel Level Sensor Circuit Range/Performance
P0462
- Fuel Level Sensor Circuit Low Input
P0463
- Fuel Level Sensor Circuit High Input
P0464
- Fuel Level Sensor Circuit Intermittent
P0465
- Purge Flow Sensor Circuit Malfunction
P0466
- Purge Flow Sensor Circuit Range/Performance
P0467
- Purge Flow Sensor Circuit Low Input
P0468
- Purge Flow Sensor Circuit High Input
P0469
- Purge Flow Sensor Circuit Intermittent
P0470
- Exhaust Pressure Sensor Malfunction
P0471
- Exhaust Pressure Sensor Range/Performance
P0472
- Exhaust Pressure Sensor Low
P0473
- Exhaust Pressure Sensor High
P0474
- Exhaust Pressure Sensor Intermittent
P0475
- Exhaust Pressure Control Valve Malfunction
P0476
- Exhaust Pressure Control Valve Range/Performance
P0477
- Exhaust Pressure Control Valve Low
P0478
- Exhaust Pressure Control Valve High
P0479
- Exhaust Pressure Control Valve Intermittent
P0480
- Cooling Fan 1 Control Circuit Malfunction
P0481
- Cooling Fan 2 Control Circuit Malfunction
P0482
- Cooling Fan 3 Control Circuit Malfunction
P0483
- Cooling Fan Rationality Check Malfunction
P0484
- Cooling Fan Circuit Over Current
P0485
- Cooling Fan Power/Ground Circuit Malfunction
Please go to our
P0400-P0499 forum
for aditional codes and for questions and answers about your particular trouble code.