Diagnostic Trouble Code Index for August 2007
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 |
| 41 | P0300 | Multiple Cylinder Misfire Detected | Audi, Cadillac, Chevrolet, Dodge, Ford, GMC, Honda, Jeep, Mercedes-Benz, Mitsubishi, Nissan, Oldsmobile, Pontiac, Toyota, Volkswagen, Volvo |
| 16 | P0302 | Cylinder 2 Misfire Detected | Audi, Dodge, Ford, Isuzu, Mitsubishi, Nissan, Toyota, Volkswagen, Volvo |
| 12 | P0340 | Camshaft Position Sensor Circuit Malfunction | Chrysler, Dodge, Ford, Jeep, Mercedes-Benz, Mercury, Mitsubishi, Toyota |
| 11 | P0171 | Fuel System Lean (Bank 1) | BMW, Chevrolet, Ford, Mazda, Nissan, Suzuki, Volkswagen |
| 10 | P0301 | Cylinder 1 Misfire Detected | Acura, Audi, Dodge, Ford, GMC, Volkswagen, Volvo |
| 10 | P0304 | Cylinder 4 Misfire Detected | Acura, Chevrolet, Dodge, Ford, Mitsubishi, Toyota, Volkswagen, Volvo |
| 10 | P0305 | Cylinder 5 Misfire Detected | Acura, Audi, Dodge, Ford, GMC, Nissan, Oldsmobile, Volvo |
| 8 | P0174 | Fuel System Lean (Bank 2) | BMW, Chevrolet, Ford, Mazda, Nissan, Suzuki |
| 8 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Cadillac, Chrysler, Jeep, Land Rover, Mitsubishi, Nissan |
| 8 | P0441 | EVAP Purge System Performance | Chevrolet, Dodge, Toyota |
| 7 | P0303 | Cylinder 3 Misfire Detected | Dodge, Ford, Nissan, Volkswagen, Volvo |
| 6 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Audi, Buick, GMC, Honda, Mazda, Nissan |
| 5 | P0121 | TP Sensor Performance | Daewoo, Dodge, Jeep |
| 5 | P0122 | TP Sensor Circuit Low Voltage | Chevrolet, Ford, Jeep, Subaru |
| 5 | P0325 | Knock Sensor Circuit Malfunction | Chevrolet, Ford, Nissan |
| 5 | P0446 | EVAP Vent System Performance | Daewoo, Pontiac, Toyota |
| 4 | P0102 | MAF Sensor Circuit Low Frequency | Buick, Ford, Kia, Mercedes-Benz |
| 4 | P0306 | Cylinder 6 Misfire Detected | Audi, Dodge, Ford, Toyota |
| 4 | P0455 | EVAP System Large Leak Detected | Hummer, Nissan |
| 4 | P1391 | CKP Or CMP Sensor Signal Intermittent | Chrysler, Dodge, Jeep |
| 3 | P0101 | MAF Sensor Performance | Chevrolet, Pontiac, Volkswagen |
| 3 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Buick, Pontiac, Volkswagen |
| 3 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Dodge, Ford, Pontiac |
| 3 | P0216 | Injection Timing Control Circuit Malfunction | Dodge |
| 3 | P0320 | No Crank Reference Signal To PCM | Dodge, Ford, Mazda |
| 3 | P0401 | Insufficient EGR Flow Detected | Ford, Toyota |
| 3 | P0410 | Secondary Air System Performance | Chevrolet, Mercedes-Benz |
| 3 | P0725 | Engine Speed Sensor Circuit Malfunction | Dodge, Nissan |
| 3 | P1345 | Camshaft To Crankshaft Position Correlation | Chevrolet, Dodge |
| 2 | P0021 | Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2) | Ford, Porsche |
| 2 | P0100 | Mass Airflow Sensor Circuit Malfunction | Saab, Toyota |
| 2 | P0106 | MAP Sensor Performance | Dodge, Pontiac |
| 2 | P0113 | IAT Sensor Circuit High Voltage | Ford, Pontiac |
| 2 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Honda, Mercedes-Benz |
| 2 | P0172 | Fuel System Rich (Bank 1) | Ford, Toyota |
| 2 | P0321 | Crankshaft Position Sensor Circuit Range/Performance | Audi, Volkswagen |
| 2 | P0344 | Camshaft Position Sensor Signal Intermittent | Chrysler, Dodge |
| 2 | P0345 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Ford |
| 2 | P0400 | EGR System Recirculation Flow | Mazda |
| 2 | P0440 | General EVAP System Failure | Toyota |
| 2 | P0442 | EVAP System Small Leak Detected | Nissan, Toyota |
| 2 | P0450 | EVAP Vapor Pressure Sensor Circuit Malfunction | Mercedes-Benz, Toyota |
| 2 | P0456 | EVAP System Very Small Leak Detected | Hyundai, Mercedes-Benz |
| 2 | P0605 | Control Module Programming Read Only Memory | Ford |
| 2 | P0705 | Transaxle Range Switch Circuit Malfunction | Nissan, Toyota |
| 2 | P1106 | MAP Sensor Circuit Intermittent High Voltage | Honda, Pontiac |
| 2 | P1121 | TP Sensor Circuit Intermittent High Voltage | Ford |
| 2 | P1122 | TP Sensor Circuit Intermittent Low Voltage | Chevrolet, Honda |
| 2 | P1211 | ABS/TCS Control Unit Malfunction | Ford |
| 2 | P1350 | Bypass Line Monitor Circuit Malfunction | Cadillac, Chevrolet |
| 2 | P1401 | EGR Temperature Sensor Circuit Malfunction | Ford, Hyundai |
| 2 | P1406 | EGR Valve Pintle Position Circuit Malfunction | Chevrolet, Ford |
| 2 | P1441 | EVAP System Flow During Non-Purge Conditions | Chevrolet, Nissan |
| 2 | P1506 | Idle Air Control System RPM Higher Than Expected | Ford, Mazda |
| 2 | P1599 | A/C Pressure Sensor Circuit Low Voltage | Cadillac, Saturn |
| 2 | P1602 | Powertrain Control Module Not Programmed | Audi, Chrysler |
| 2 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Cadillac, Chevrolet |
| 2 | P1693 | Transponder No Response Error / Invalid Response | Dodge |
| 2 | P2097 | Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2) | Mini |
| 1 | B1001 | option configuration error | Buick |
| 1 | B1214 | Variable valve gear monitoring | BMW |
| 1 | B2955 | Security system daya ckt | Cadillac |
| 1 | B2960 | Security system sensor data incorrect but valid | Chevrolet |
| 1 | B3102 | keyless entry data link circuit low | Buick |
| 1 | C0300 | Undocumented code | Hyundai |
| 1 | P0010 | Camshaft Position 'A' Actuator Circuit Malfunction (Bank 1) | Mercedes-Benz |
| 1 | P0011 | Intake Camshaft Position System Performance | Porsche |
| 1 | P0012 | Camshaft Position 'A' Over-Retarded (Bank 1) | Toyota |
| 1 | P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction | Volvo |
| 1 | P0037 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Voltage | Subaru |
| 1 | P0081 | Intake Valve Timing Control Solenoid Valve Circuit Malfunction (Bank 2) | Hyundai |
| 1 | P0087 | Fuel Rail Pressure Too Low | Chevrolet |
| 1 | P0089 | Fuel Pressure Regulator Performance | Dodge |
| 1 | P0103 | MAF Sensor Circuit High Frequency | Saab |
| 1 | P0110 | Intake Air Temperature Sensor Circuit Malfunction | Toyota |
| 1 | P0123 | TP Sensor Circuit High Voltage | Jeep |
| 1 | P0125 | Engine Coolant Temperature Insufficient For Closed Loop Fuel Control | Toyota |
| 1 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Volvo |
| 1 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | Chevrolet |
| 1 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Dodge |
| 1 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Volvo |
| 1 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Isuzu |
| 1 | P013A | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response - Rich To Lean | Kia |
| 1 | P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage | GMC |
| 1 | P0154 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity | GMC |
| 1 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | Ford |
| 1 | P0175 | Fuel System Rich (Bank 2) | Ford |
| 1 | P0177 | Water In Fuel | Dodge |
| 1 | P0179 | Fuel Composition Sensor High Frequency | Chevrolet |
| 1 | P0181 | Fuel Tank Temperature Sensor Range/Performance | Dodge |
| 1 | P0191 | Fuel Rail Pressure Sensor Performance | Mercury |
| 1 | P0203 | Fuel Injector 3 Control Circuit Malfunction | Jeep |
| 1 | P0204 | Fuel Injector 4 Control Circuit Malfunction | Dodge |
| 1 | P0207 | Fuel Injector 7 Control Circuit Malfunction | Chevrolet |
| 1 | P0217 | Engine Coolant Over-Temperature Condition | Dodge |
| 1 | P0230 | Fuel Pump Relay Control Circuit Malfunction | Dodge |
| 1 | P0284 | Cylinder 8 Balance System Malfunction | Ford |
| 1 | P0307 | Cylinder 7 Misfire Detected | Mercedes-Benz |
| 1 | P0308 | Cylinder 8 Misfire Detected | Ford |
| 1 | P0315 | Crankshaft Position Sensor Variation Not Learned | Jeep |
| 1 | P0322 | Crankshaft Position Sensor Circuit No Signal | Audi |
| 1 | P0328 | Knock Sensor Circuit High Voltage (Bank 1) | Volkswagen |
| 1 | P0336 | Crankshaft Position Sensor Performance | Oldsmobile |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Jeep |
| 1 | P0349 | Camshaft Position Sensor Circuit Intermittent (Bank 2) | Ford |
| 1 | P0350 | Ignition Coil Primary/Secondary Circuit Malfunction | Chevrolet |
| 1 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Dodge |
| 1 | P0371 | IC 24X Signal Circuit Too Many Pulses | Cadillac |
| 1 | P0372 | DI High Resolution Signal Circuit Malfunction | Cadillac |
| 1 | P0404 | EGR Open Position Performance | Ford |
| 1 | P0411 | Secondary AIR System Incorrect Airflow Detected | Ford |
| 1 | P0414 | Secondary Air Injection System 'A' Circuit Shorted | Mercedes-Benz |
| 1 | P0421 | Warmup Catalyst Efficiency Low (Bank 1) | Volkswagen |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | GMC |
| 1 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Pontiac |
| 1 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0460 | Fuel Level Sensing Unit No Change Over Miles | Ford |
| 1 | P0463 | Fuel Level Sensor High Voltage | Pontiac |
| 1 | P0472 | Exhaust Backpressure Sensor Circuit Low Input | Ford |
| 1 | P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) | Ford |
| 1 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Dodge |
| 1 | P0505 | Idle Control System Malfunction | Dodge |
| 1 | P0506 | Idle Speed Low | Nissan |
| 1 | P0507 | Idle Speed High | Nissan |
| 1 | P0519 | Idle Speed Performance | Subaru |
| 1 | P0603 | Control Module Long Term Memory Reset | Cadillac |
| 1 | P0604 | Control Module Random Access Memory | BMW |
| 1 | P0637 | Steering Assist Solenoid Control Circuit High Input | Saturn |
| 1 | P0700 | Automatic Transmission System Malfunction Detected | Acura |
| 1 | P0720 | Output Shaft Speed Sensor Circuit Malfunction | Nissan |
| 1 | P1081 | EVAP System - Medium Leak | Volvo |
| 1 | P1093 | Fuel Rail Pressure Low During Power Enrichment | Chevrolet |
| 1 | P1100 | Starter Switch Circuit Low Input | Ford |
| 1 | P1113 | Intake Air Temperature Sensor Circuit Malfunction | Volkswagen |
| 1 | P1120 | TP Sensor 1 Circuit Malfunction | Ford |
| 1 | P1123 | Throttle Position 'A' Signal In Range (But Lower Than Expected) | Hyundai |
| 1 | P1124 | Electronic Throttle Control Actuator Relay High Input | Saab |
| 1 | P1127 | ETCS Actuator Power Source Circuit Malfunction | Volkswagen |
| 1 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Volkswagen |
| 1 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Nissan |
| 1 | P1131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean | Ford |
| 1 | P1135 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Toyota |
| 1 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Ford |
| 1 | P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching | GMC |
| 1 | P1159 | Air Fuel Sensor (Bank 1 Sensor 1) AFS+ Circuit Low Voltage | BMW |
| 1 | P1161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | BMW |
| 1 | P1166 | Heated Oxygen Sensor (Bank 2 Sensor 2) Minimum Voltage Monitoring | Acura |
| 1 | P1167 | Heated Oxygen Sensor (Bank 2 Sensor 2) Maximum Voltage Monitoring | Acura |
| 1 | P1171 | Fuel System Lean During Acceleration | Isuzu |
| 1 | P1176 | Electronic Throttle System Motor No. 1 Open or Shorted | Land Rover |
| 1 | P1210 | Injection Control System Pressure Above Expected Level | Ford |
| 1 | P1221 | TP Sensor 2 Signal Correlation | GMC |
| 1 | P1225 | Closed Throttle Learning Position Performance | Volkswagen |
| 1 | P1226 | Closed Throttle Learning Position Performance | Volkswagen |
| 1 | P1227 | Fuel Injector 2 Control Circuit Shorted | Volkswagen |
| 1 | P1228 | Accelerator Pedal Position Sensor Circuit High Voltage | Volkswagen |
| 1 | P1236 | Fuel Injector 5 Control Circuit Shorted | Mercedes-Benz |
| 1 | P1238 | Fuel Pump Secondary Circuit Malfunction | Mini |
| 1 | P1296 | 5-Volt VREF Supply Not Present | Chrysler |
| 1 | P1312 | ION Sensing Module Secondary Line 2 Circuit Malfunction | Isuzu |
| 1 | P1320 | Igniter 5 Circuit Malfunction | Nissan |
| 1 | P1323 | ICM 24X Reference Circuit Low Frequency | Cadillac |
| 1 | P1335 | Crankshaft Position Sensor Circuit Malfunction | Ford |
| 1 | P1337 | Crankshaft Speed Fluctuation Sensor No Signal | Honda |
| 1 | P1346 | Variable Valve Timing - CMP Sensor Range/Performance | Lexus |
| 1 | P1351 | ICM Ignition Control Circuit High Voltage | Toyota |
| 1 | P1372 | PCM Segment Time Acquisition Incorrect | Cadillac |
| 1 | P1381 | Misfire Detected - No Communication With EBCM | Cadillac |
| 1 | P1395 | Glow Plug Monitor Fault On Bank 1 (Right Side) | Ford |
| 1 | P1396 | Wheel Speed Sensor Circuit Malfunction | Ford |
| 1 | P1400 | Cold Start Emission Reduction Control System | Ford |
| 1 | P1425 | EVAP System Leak Detection Pump Flow High/Low | Volkswagen |
| 1 | P1444 | EVAP Canister Purge Volume Control Valve Circuit Malfunction | Nissan |
| 1 | P1456 | EVAP System Leak Detected (Fuel Tank Area) | Honda |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 1 | P1472 | Evap leak detection pump short to ground | Volkswagen |
| 1 | P1512 | Control Module Throttle Actuator Position Performance | Ford |
| 1 | P1621 | Control Module Long Term Memory Performance | Jaguar |
| 1 | P1630 | Theft Deterrent Learn Mode Active | Buick |
| 1 | P1649 | ABS Operation Signal Circuit Malfunction | Volkswagen |
| 1 | P1670 | Output Driver 4 Voltage High Voltage | Ford |
| 1 | P1680 | Powertrain Control Module Internal Malfunction | GMC |
| 1 | P1687 | No Communication With MIC | Dodge |
| 1 | P1739 | Power Up Circuit At Speed | Honda |
| 1 | P1744 | Shift Control System - Shift Valve 'E' Stuck On | Lincoln |
| 1 | P1765 | Switched Battery Malfunction | Dodge |
| 1 | P1884 | 4-3 Shift Malfunction | Land Rover |
| 1 | P1900 | Cooling Fan Control Circuit Malfunction | Nissan |
| 1 | P200F | o2 sensor 1 triple 1 electrical fault | Mercedes-Benz |
| 1 | P202B | control circuit for redundant tank heater | Mercedes-Benz |
| 1 | P2043 | Camshaft Position Sensor No Signal / Signal Faulty | Mercedes-Benz |
| 1 | P2044 | misfiring of cylinder 01 | Mercedes-Benz |
| 1 | P2046 | Fuel Level Sensor 1 Performance | Mercedes-Benz |
| 1 | P2050 | Misfiring damages twc | Mercedes-Benz |
| 1 | P2051 | Fuel Rail Pressure Sensor - Maximum Fuel Pressure Exceeded | Mercedes-Benz |
| 1 | P2102 | Throttle Actuator Control Motor Circuit Low | Subaru |
| 1 | P2104 | ETC System Malfunction - Forced Idle | Lincoln |
| 1 | P2107 | Electronic Throttle Control Module Processor | Lincoln |
| 1 | P2110 | Electronic Throttle Control - Forced Limited RPM | Lincoln |
| 1 | P2112 | Electronic Throttle Control - Unable To Open | Lincoln |
| 1 | P2181 | Cooling System Performance | Volkswagen |
| 1 | P2647 | VTEC Oil Pressure Switch Circuit High Voltage | Honda |
| 1 | U1000 | Class 2 Communication Malfunction | Buick |
| 1 | U1039 | Data Circuit Malfunction | Lincoln |
| 1 | U1041 | Loss of Electronic Brake Controller Communication | Chevrolet |
| 1 | U1064 | Lost Communication With BCM or VCD Module | Chevrolet |
| 1 | U1192 | Loss of VTD (Pass Lock) Communication | Chevrolet |
| 1 | U1255 | Class 2 Communication Malfunction | Chevrolet |
| 1 | U1301 | Class 2 Data Line Short To Voltage | Chevrolet |
| 1 | U3118 | Undocumented code | Hyundai |
