Diagnostic Trouble Code Index for August 2005
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Diagnostic Trouble Codes (DTC)
| Count | Trouble Code | Sample Definition | Manufacturers |
| 27 | P0300 | Multiple Cylinder Misfire Detected | Audi, Buick, Chevrolet, Chrysler, Dodge, GMC, Isuzu, Jeep, Mazda, Oldsmobile, Other European, Pontiac, Porsche, Saab, Saturn, Suzuki, Volkswagen |
| 19 | P0171 | Fuel System Lean (Bank 1) | Chevrolet, Chrysler, Ford, Honda, Jeep, Land Rover, Lexus, Nissan, Other European, Toyota |
| 12 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet, Ford, Jaguar, Lexus, Mercury, Nissan, Subaru, Volkswagen |
| 11 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Dodge, Ford, Land Rover, Mercedes-Benz, Nissan |
| 10 | P0340 | Camshaft Position Sensor Circuit Malfunction | Dodge, Ford, Mazda, Nissan, Saab, Toyota |
| 7 | P0301 | Cylinder 1 Misfire Detected | Audi, Chrysler, Jeep, Porsche, Subaru, Volkswagen |
| 7 | P0304 | Cylinder 4 Misfire Detected | Audi, Chevrolet, Dodge, Saturn, Subaru, Toyota, Volkswagen |
| 6 | P0172 | Fuel System Rich (Bank 1) | Ford, Isuzu, Jeep, Pontiac, Subaru, Suzuki |
| 6 | P0446 | EVAP Vent System Performance | Chevrolet, Porsche, Toyota |
| 5 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Chevrolet, Ford, Mercury |
| 5 | P0302 | Cylinder 2 Misfire Detected | Audi, Jeep, Porsche, Saturn, Volkswagen |
| 4 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Ford, Mercedes-Benz, Nissan |
| 4 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | BMW, Mercedes-Benz |
| 4 | P0341 | CMP Sensor Performance | Chevrolet, Isuzu, Oldsmobile, Pontiac |
| 4 | P0441 | EVAP Purge System Performance | Dodge, Toyota |
| 4 | P0455 | EVAP System Large Leak Detected | Dodge, Mercury |
| 4 | P0507 | Idle Speed High | Chevrolet, Honda, Pontiac, Saturn |
| 3 | P0102 | MAF Sensor Circuit Low Frequency | Chevrolet, Geo, Suzuki |
| 3 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Mercedes-Benz, Subaru |
| 3 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Ford, Mercedes-Benz |
| 3 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Chevrolet, Isuzu, Saturn |
| 3 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Chevrolet, Ford |
| 3 | P0303 | Cylinder 3 Misfire Detected | Audi, Porsche, Subaru |
| 3 | P0305 | Cylinder 5 Misfire Detected | Audi, Ford, Porsche |
| 3 | P0325 | Knock Sensor Circuit Malfunction | Mercury, Subaru |
| 3 | P0401 | Insufficient EGR Flow Detected | Dodge, Ford |
| 3 | P0430 | Catalyst System Low Efficiency (Bank 2) | Jaguar, Mazda, Nissan |
| 3 | P0440 | General EVAP System Failure | Kia, Toyota |
| 3 | P0442 | EVAP System Small Leak Detected | Dodge, Mercedes-Benz |
| 3 | P1220 | TP Sensor 2 Circuit Malfunction | GMC, Isuzu, Nissan |
| 3 | P1320 | Igniter 5 Circuit Malfunction | Nissan |
| 2 | P0108 | MAP Sensor Circuit High Voltage | GMC, Pontiac |
| 2 | P0117 | ECT Sensor Circuit Low Voltage | Chevrolet, Pontiac |
| 2 | P0123 | TP Sensor Circuit High Voltage | Dodge, Jeep |
| 2 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Acura, Saab |
| 2 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Dodge, Volkswagen |
| 2 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Jaguar, Nissan |
| 2 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | Mercedes-Benz |
| 2 | P0306 | Cylinder 6 Misfire Detected | Dodge, Saturn |
| 2 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Chrysler, Subaru |
| 2 | P0402 | Excessive EGR Flow Detected | Mazda |
| 2 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Mercury |
| 2 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Saturn, Subaru |
| 2 | P0505 | Idle Control System Malfunction | Chrysler |
| 2 | P0509 | Idle Air Control Motor Sense Circuit High Voltage | Saturn |
| 2 | P1101 | Intake Airflow System Performance | Ford, Subaru |
| 2 | P1124 | Electronic Throttle Control Actuator Relay High Input | Porsche |
| 2 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Nissan, Toyota |
| 2 | P1260 | Immobilizer System Malfunction | Ford, Saab |
| 2 | P1345 | Camshaft To Crankshaft Position Correlation | Chevrolet, Mazda |
| 2 | P1381 | Misfire Detected - No Communication With EBCM | Ford, Mercury |
| 2 | P1404 | EGR Valve Closed Position Performance | Isuzu, Pontiac |
| 2 | P1495 | Leak Detection Pump Solenoid Circuit Malfunction | Chrysler, Dodge |
| 2 | P1599 | A/C Pressure Sensor Circuit Low Voltage | Saturn |
| 2 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Chevrolet, GMC |
| 2 | P1695 | No CCD Messages Received From BCM | Chrysler, Dodge |
| 1 | P0000 | No Self-Diagnostic Malfunction Detected | Saturn |
| 1 | P0073 | Ambient Air Temperature Sensor Circuit High Voltage | Cadillac |
| 1 | P0095 | Engine Stall Detected | Cadillac |
| 1 | P0100 | Mass Airflow Sensor Circuit Malfunction | BMW |
| 1 | P0105 | MAP Sensor Performance | Nissan |
| 1 | P0107 | MAP Sensor Circuit Low Voltage | GMC |
| 1 | P0120 | TP Sensor 1 Signal Circuit Malfunction | Lexus |
| 1 | P0121 | TP Sensor Performance | Lexus |
| 1 | P0122 | TP Sensor Circuit Low Voltage | Pontiac |
| 1 | P0125 | Engine Coolant Temperature Insufficient For Closed Loop Fuel Control | Mitsubishi |
| 1 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Subaru |
| 1 | P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage | Chevrolet |
| 1 | P0160 | Heated Oxygen Sensor (Bank 2 Sensor 2) Insufficient Activity | Nissan |
| 1 | P0175 | Fuel System Rich (Bank 2) | Ford |
| 1 | P0176 | Loss Of Flexible Fuel Calibration Signal | Ford |
| 1 | P0201 | Fuel Injector 1 Control Circuit Malfunction | Jeep |
| 1 | P0204 | Fuel Injector 4 Control Circuit Malfunction | Jeep |
| 1 | P0207 | Fuel Injector 7 Control Circuit Malfunction | Jeep |
| 1 | P0208 | Fuel Injector 8 Control Circuit Malfunction | Jeep |
| 1 | P0214 | Cylinder I.D. CID circuit fault | Ford |
| 1 | P0216 | Injection Timing Control Circuit Malfunction | Dodge |
| 1 | P0230 | Fuel Pump Relay Control Circuit Malfunction | Chevrolet |
| 1 | P0234 | Turbocharger Engine Overboost | Volkswagen |
| 1 | P0236 | Turbocharger Boost System Performance | Chevrolet |
| 1 | P0270 | Fuel Injector 4 Control Circuit Low Voltage | Ford |
| 1 | P0307 | Cylinder 7 Misfire Detected | Lincoln |
| 1 | P0330 | Knock Sensor 2 Circuit Malfunction | Lexus |
| 1 | P0336 | Crankshaft Position Sensor Performance | Honda |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Chrysler |
| 1 | P0342 | CMP Sensor Circuit Low Voltage | Pontiac |
| 1 | P0343 | CMP Sensor Circuit High Voltage | Chevrolet |
| 1 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Chrysler |
| 1 | P0400 | EGR System Recirculation Flow | Suzuki |
| 1 | P0404 | EGR Open Position Performance | Pontiac |
| 1 | P0405 | EGR Position Sensor Circuit Low Voltage | Ford |
| 1 | P0410 | Secondary Air System Performance | GMC |
| 1 | P0411 | Secondary AIR System Incorrect Airflow Detected | Ford |
| 1 | P0422 | Catalyst Efficiency Below Normal (Bank 1) | Volvo |
| 1 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | Dodge |
| 1 | P0456 | EVAP System Very Small Leak Detected | Chrysler |
| 1 | P0460 | Fuel Level Sensing Unit No Change Over Miles | Ford |
| 1 | P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) | Ford |
| 1 | P0506 | Idle Speed Low | Saturn |
| 1 | P0523 | Engine Oil Pressure Sensor Circuit High Voltage | Dodge |
| 1 | P0603 | Control Module Long Term Memory Reset | Ford |
| 1 | P0605 | Control Module Programming Read Only Memory | Volkswagen |
| 1 | P0606 | Control Module Internal Performance | Chevrolet |
| 1 | P0705 | Transaxle Range Switch Circuit Malfunction | Isuzu |
| 1 | P0722 | Output Speed Sensor Circuit Low Voltage | Hyundai |
| 1 | P0725 | Engine Speed Sensor Circuit Malfunction | Honda |
| 1 | P0753 | 1-2 Shift Solenoid Circuit Malfunction | Dodge |
| 1 | P1000 | OBD II Monitor Testing No Completed | Mazda |
| 1 | P1093 | Fuel Rail Pressure Low During Power Enrichment | Chevrolet |
| 1 | P1094 | Fuel Rail Pressure Low During Idle Or Decel Fuel Cutoff | Chevrolet |
| 1 | P1100 | Starter Switch Circuit Low Input | Subaru |
| 1 | P1105 | MAP / BARO Switch Solenoid Malfunction | Nissan |
| 1 | P1114 | ECT Sensor Circuit Intermittent Low Voltage | Land Rover |
| 1 | P1116 | Engine Coolant Temperature Sensor Performance | Mazda |
| 1 | P1117 | Engine Coolant Temperature Sensor Circuit Intermittent | Ford |
| 1 | P1120 | TP Sensor 1 Circuit Malfunction | GMC |
| 1 | P1121 | TP Sensor Circuit Intermittent High Voltage | Lexus |
| 1 | P1126 | Magnetic Clutch Circuit Malfunction | Porsche |
| 1 | P1132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Rich | Volvo |
| 1 | P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | Pontiac |
| 1 | P1139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Switching | Ford |
| 1 | P1142 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Input | Volkswagen |
| 1 | P1150 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Circuit Malfunction | Toyota |
| 1 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Volkswagen |
| 1 | P1152 | Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance (Low) | Volkswagen |
| 1 | P1188 | Fuel Tank Temperature Sensor Circuit High Voltage | BMW |
| 1 | P1189 | Engine Oil Pressure Switch Circuit Malfunction | BMW |
| 1 | P1208 | Air Assist Injector Solenoid Circuit High Input | Saab |
| 1 | P1221 | TP Sensor 2 Signal Correlation | Isuzu |
| 1 | P1231 | Fuel Pump Relay Control Circuit High Voltage | Saab |
| 1 | P1237 | Fuel Pump Secondary Circuit Malfunction | Ford |
| 1 | P1251 | Vacuum Reservoir Solenoid Circuit Low | Saab |
| 1 | P1271 | Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity | Isuzu |
| 1 | P1272 | Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity | Isuzu |
| 1 | P1274 | Air Fuel Sensor (Bank 1 Sensor 1) Rich Shift Monitoring | Ford |
| 1 | P1280 | Accelerator Pedal Position Sensor 2 Circuit Malfunction | Isuzu |
| 1 | P1282 | Fuel Pump Relay Control Circuit Malfunction | Chrysler |
| 1 | P1300 | Igniter 1 Circuit Malfunction | Lexus |
| 1 | P1309 | Misfire Detection Monitor | Ford |
| 1 | P1313 | ETC System - Ice Blockage / Short Circuit To Voltage | Saab |
| 1 | P1336 | CKP Sensor System Variation Not Learned | Jaguar |
| 1 | P1340 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Volkswagen |
| 1 | P1388 | Auto Shutdown Relay Control Circuit Malfunction | Chrysler |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Dodge |
| 1 | P1408 | EGR Flow Out Of Self-Test Range | Ford |
| 1 | P1416 | Secondary Air Injection System (Bank 2) | Chevrolet |
| 1 | P1443 | Secondary Air Injection System Control Valve Circuit Malfunction (Bank 2) | Subaru |
| 1 | P1451 | Barometric Pressure Sensor Signal Range/Performance | Ford |
| 1 | P1470 | boost pressure solinoid open or shortedto ground | Land Rover |
| 1 | P1472 | Evap leak detection pump short to ground | Land Rover |
| 1 | P1477 | Medium Fan Control Primary Circuit Malfunction | Land Rover |
| 1 | P1489 | High Speed Radiator Fan Relay Circuit Malfunction | Chrysler |
| 1 | P1540 | Air Conditioning Refrigerant Over-Pressure - Air Conditioning Disabled | Mazda |
| 1 | P1557 | Battery Module Temperature Sensor Signal 3 Circuit Low Voltage | Volkswagen |
| 1 | P1629 | Theft Deterrent Signal Not Present, Engine Cranking | Buick |
| 1 | P1639 | 5-Volt Reference 'B' Circuit Malfunction | Isuzu |
| 1 | P1656 | Wastegate Solenoid Control Circuit Malfunction | Chevrolet |
| 1 | P1687 | No Communication With MIC | Dodge |
| 1 | P1698 | No CCD Messages Received From TCM | Chrysler |
| 1 | P1701 | Transmission Control Module Power Supply | Mercedes-Benz |
| 1 | P1765 | Switched Battery Malfunction | Dodge |
| 1 | P1870 | Transmission Component Slipping | Chevrolet |
| 1 | U1000 | Class 2 Communication Malfunction | Pontiac |
| 1 | U1016 | Serial Communications Malfunction | Chevrolet |
| 1 | U1262 | Data Circuit Malfunction | Ford |
| 1 | U1300 | Class 2 Data Line Short To Ground | Chevrolet |
