Diagnostic Trouble Code Index for September 2008
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 |
| 33 | P0300 | Multiple Cylinder Misfire Detected | Audi, Buick, Cadillac, Chevrolet, Dodge, Ford, GMC, Honda, Hyundai, Infiniti, Jaguar, Jeep, Kia, Lexus, Nissan, Saturn, Subaru, Toyota, Volkswagen |
| 16 | P0171 | Fuel System Lean (Bank 1) | Ford, GMC, Honda, Hyundai, Kia, Mazda, Nissan, Oldsmobile, Pontiac, Subaru, Toyota, Volkswagen, Volvo |
| 14 | P0340 | Camshaft Position Sensor Circuit Malfunction | Chevrolet, Chrysler, Dodge, Ford, Hyundai, Infiniti, Mitsubishi |
| 12 | P0303 | Cylinder 3 Misfire Detected | Dodge, Ford, Honda, Hyundai, Jeep, Plymouth, Toyota |
| 11 | P0302 | Cylinder 2 Misfire Detected | Dodge, Ford, Honda, Hyundai, Jeep, Kia, Subaru, Volkswagen |
| 9 | P0304 | Cylinder 4 Misfire Detected | Audi, Cadillac, Chevrolet, Dodge, Ford, Honda, Jeep, Lincoln |
| 9 | P0401 | Insufficient EGR Flow Detected | Buick, Ford, Honda, Isuzu, Toyota |
| 8 | P0172 | Fuel System Rich (Bank 1) | Chevrolet, Chrysler, Ford, Mercury, Pontiac, Saturn, Volkswagen |
| 8 | P0301 | Cylinder 1 Misfire Detected | Ford, Honda, Jeep, Kia, Mitsubishi, Subaru, Toyota, Volkswagen |
| 6 | P0174 | Fuel System Lean (Bank 2) | Dodge, Ford, Lincoln, Toyota |
| 6 | P0305 | Cylinder 5 Misfire Detected | Audi, Dodge, Ford |
| 6 | P0341 | CMP Sensor Performance | Buick, Ford, Jeep, Oldsmobile, Pontiac |
| 6 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | BMW, GMC, Nissan, Pontiac, Subaru, Volvo |
| 5 | P0306 | Cylinder 6 Misfire Detected | Audi, Buick, Chevrolet, Ford, Kia |
| 5 | P0455 | EVAP System Large Leak Detected | Chevrolet, Jeep, Mercedes-Benz, Nissan, Plymouth |
| 4 | P0101 | MAF Sensor Performance | Chevrolet, GMC, Volkswagen |
| 4 | P0175 | Fuel System Rich (Bank 2) | Chevrolet, Dodge, Ford, Mercury |
| 4 | P0321 | Crankshaft Position Sensor Circuit Range/Performance | Audi, Buick, Volkswagen |
| 4 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Cadillac, Kia, Mitsubishi, Volvo |
| 4 | P0336 | Crankshaft Position Sensor Performance | Cadillac, Chevrolet, Saab |
| 4 | P0440 | General EVAP System Failure | Buick, Chevrolet, Dodge, Saturn |
| 4 | P0442 | EVAP System Small Leak Detected | Buick, Mazda, Saturn, Volvo |
| 4 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Dodge, Ford, Infiniti |
| 4 | P0446 | EVAP Vent System Performance | Chevrolet, Isuzu, Pontiac |
| 4 | P1106 | MAP Sensor Circuit Intermittent High Voltage | Chevrolet, GMC, Honda |
| 4 | P1361 | ICM Ignition Control Circuit Low Voltage | Buick, Chevrolet, Honda |
| 3 | P0102 | MAF Sensor Circuit Low Frequency | Audi, Chevrolet |
| 3 | P0121 | TP Sensor Performance | Dodge, GMC, Kia |
| 3 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | Infiniti, Oldsmobile, Volkswagen |
| 3 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Dodge, Jeep |
| 3 | P0400 | EGR System Recirculation Flow | Infiniti, Mazda, Mitsubishi |
| 3 | P0410 | Secondary Air System Performance | Chevrolet, Mercedes-Benz, Saturn |
| 3 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Infiniti, Nissan, Subaru |
| 3 | P0507 | Idle Speed High | Chevrolet, Mercedes-Benz, Nissan |
| 3 | P1300 | Igniter 1 Circuit Malfunction | Honda, Lexus, Toyota |
| 3 | P1391 | CKP Or CMP Sensor Signal Intermittent | Dodge |
| 3 | P1491 | EVAP Vacuum Cut Valve/Bypass Circuit Malfunction | Dodge, Nissan |
| 2 | P0011 | Intake Camshaft Position System Performance | Audi, Volkswagen |
| 2 | P0016 | Crankshaft/Camshaft Timing Misalignment | Chevrolet, Dodge |
| 2 | P0108 | MAP Sensor Circuit High Voltage | Chevrolet, Dodge |
| 2 | P0120 | TP Sensor 1 Signal Circuit Malfunction | Chevrolet, Pontiac |
| 2 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Ford, Porsche |
| 2 | P0153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Slow Response | Ford, Isuzu |
| 2 | P0220 | Throttle Position Sensor 2 Circuit Malfunction | Chevrolet, Pontiac |
| 2 | P0221 | Throttle Position Sensor 2 Performance | Nissan, Saturn |
| 2 | P0307 | Cylinder 7 Misfire Detected | Ford |
| 2 | P0320 | No Crank Reference Signal To PCM | Ford, Jeep |
| 2 | P0325 | Knock Sensor Circuit Malfunction | Infiniti, Toyota |
| 2 | P0344 | Camshaft Position Sensor Signal Intermittent | Ford |
| 2 | P0402 | Excessive EGR Flow Detected | Ford |
| 2 | P0430 | Catalyst System Low Efficiency (Bank 2) | Dodge, Nissan |
| 2 | P0441 | EVAP Purge System Performance | Chevrolet, Volkswagen |
| 2 | P0470 | Exhaust Backpressure Sensor Circuit Malfunction | Ford |
| 2 | P0501 | Vehicle Speed Sensor 1 Performance | Volkswagen |
| 2 | P0505 | Idle Control System Malfunction | Infiniti, Subaru |
| 2 | P0601 | Control Module Read Only Memory | Dodge |
| 2 | P0700 | Automatic Transmission System Malfunction Detected | Kia, Saturn |
| 2 | P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | Buick, Pontiac |
| 2 | P1147 | Heated Oxygen Sensor (Bank 1 Sensor 2) Rich Shift Monitoring | Hyundai, Infiniti |
| 2 | P1166 | Heated Oxygen Sensor (Bank 2 Sensor 2) Minimum Voltage Monitoring | Kia, Volkswagen |
| 2 | P1251 | Vacuum Reservoir Solenoid Circuit Low | Dodge, Saab |
| 2 | P1275 | Accelerator Pedal Position Sensor 1 Circuit Malfunction | Ford, Porsche |
| 2 | P1294 | Target Idle Speed Not Reached | Dodge, Ford |
| 2 | P1296 | 5-Volt VREF Supply Not Present | Audi, Mitsubishi |
| 2 | P1320 | Igniter 5 Circuit Malfunction | Infiniti, Lexus |
| 2 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 2 | P1500 | Starter Signal Circuit Malfunction | Ford, Mitsubishi |
| 2 | P1516 | TAC Module Throttle Actuator Position Performance | Chevrolet, Saturn |
| 2 | P1601 | PCM Serial Communications Malfunction | Jaguar, Pontiac |
| 2 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Buick, Chevrolet |
| 2 | P1629 | Theft Deterrent Signal Not Present, Engine Cranking | Buick, Pontiac |
| 2 | P1633 | Ignition Supplement Power '0' Switch Circuit Malfunction | Ford, Lincoln |
| 2 | P1670 | Output Driver 4 Voltage High Voltage | Buick, Ford |
| 2 | P2050 | Misfiring damages twc | Mercedes-Benz |
| 2 | P2135 | Throttle Position Sensor 1-2 Correlation Error | Jaguar, Saturn |
| 2 | P2177 | Fuel Trim System Lean At Cruise Or Acceleration (Bank 1) | BMW, Volvo |
| 2 | P2179 | Fuel Trim System Lean At Cruise Or Acceleration (Bank 2) | BMW, Volvo |
| 2 | U1000 | Class 2 Communication Malfunction | Chevrolet, Nissan |
| 2 | U1026 | Loss of ATC Class 2 Communication | Chevrolet, GMC |
| 2 | U1041 | Loss of Electronic Brake Controller Communication | Chevrolet, GMC |
| 1 | B1355 | ignition run circut failure | Ford |
| 1 | B2960 | Security system sensor data incorrect but valid | Chevrolet |
| 1 | C0238 | Wheel speed sensor missmatch | GMC |
| 1 | C1132 | Engine 3 fuel cut system | Nissan |
| 1 | P0000 | No Self-Diagnostic Malfunction Detected | Dodge |
| 1 | P0012 | Camshaft Position 'A' Over-Retarded (Bank 1) | Mazda |
| 1 | P0021 | Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2) | Nissan |
| 1 | P0032 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit High Voltage | Dodge |
| 1 | P0053 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance | Ford |
| 1 | P0089 | Fuel Pressure Regulator Performance | Dodge |
| 1 | P0106 | MAP Sensor Performance | Dodge |
| 1 | P0107 | MAP Sensor Circuit Low Voltage | Dodge |
| 1 | P0123 | TP Sensor Circuit High Voltage | Jeep |
| 1 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Dodge |
| 1 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Chevrolet |
| 1 | P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage | Infiniti |
| 1 | P0154 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity | Chevrolet |
| 1 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Mercury |
| 1 | P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage | Chevrolet |
| 1 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Mercury |
| 1 | P0203 | Fuel Injector 3 Control Circuit Malfunction | Plymouth |
| 1 | P0223 | Throttle Position Sensor 2 Circuit High Voltage | Honda |
| 1 | P0232 | Fuel Pump Feedback Circuit High Voltage | Ford |
| 1 | P0234 | Turbocharger Engine Overboost | Volkswagen |
| 1 | P0256 | injector 2 circuit high | Mercedes-Benz |
| 1 | P0261 | Fuel Injector 1 Control Circuit Low Voltage | Ford |
| 1 | P0264 | Fuel Injector 2 Control Circuit Low Voltage | Ford |
| 1 | P0266 | Cylinder 2 Balance System Malfunction | Ford |
| 1 | P0267 | Fuel Injector 3 Control Circuit Low Voltage | Ford |
| 1 | P0270 | Fuel Injector 4 Control Circuit Low Voltage | Ford |
| 1 | P0272 | Cylinder 4 Balance System Malfunction | Ford |
| 1 | P0273 | Fuel Injector 5 Control Circuit Low Voltage | Ford |
| 1 | P0276 | Fuel Injector 6 Control Circuit Low Voltage | Ford |
| 1 | P0282 | Cylinder 8 Injector Circuit Low | Ford |
| 1 | P0284 | Cylinder 8 Balance System Malfunction | Ford |
| 1 | P0308 | Cylinder 8 Misfire Detected | Ford |
| 1 | P0322 | Crankshaft Position Sensor Circuit No Signal | Volkswagen |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Chevrolet |
| 1 | P0342 | CMP Sensor Circuit Low Voltage | Pontiac |
| 1 | P0355 | Ignition Coil 5 Control Circuit Malfunction | Lincoln |
| 1 | P0380 | Glow Plug Feedback Circuit | Chevrolet |
| 1 | P0381 | Wait To Start Control Circuit Malfunction | Ford |
| 1 | P0386 | Crankshaft Position Sensor 'B' Performance | Cadillac |
| 1 | P0403 | EGR Solenoid Control Circuit Malfunction | Volkswagen |
| 1 | P0405 | EGR Position Sensor Circuit Low Voltage | Cadillac |
| 1 | P0406 | EGR Position Sensor Circuit High Voltage | Buick |
| 1 | P0411 | Secondary AIR System Incorrect Airflow Detected | Volkswagen |
| 1 | P0421 | Warmup Catalyst Efficiency Low (Bank 1) | Mazda |
| 1 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | Buick |
| 1 | P0456 | EVAP System Very Small Leak Detected | BMW |
| 1 | P0457 | Loose Fuel Cap | Ford |
| 1 | P0461 | Fuel Level Sensor Performance | Dodge |
| 1 | P0462 | Fuel Level Sensor Low Voltage | Nissan |
| 1 | P0463 | Fuel Level Sensor High Voltage | Chevrolet |
| 1 | P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) | Ford |
| 1 | P0491 | Secondary AIR System Insufficient Flow Detected (Bank 1) | Volkswagen |
| 1 | P0492 | Secondary air flow bank 2 | Volkswagen |
| 1 | P0503 | VSS Circuit Intermittent | Ford |
| 1 | P0603 | Control Module Long Term Memory Reset | Ford |
| 1 | P0605 | Control Module Programming Read Only Memory | Ford |
| 1 | P0620 | Generator Performance | Chevrolet |
| 1 | P0650 | Malfunction Indicator Lamp Circuit Malfunction | GMC |
| 1 | P0705 | Transaxle Range Switch Circuit Malfunction | Buick |
| 1 | P0725 | Engine Speed Sensor Circuit Malfunction | Nissan |
| 1 | P0727 | Engine Speed No Signal | Kia |
| 1 | P0746 | Pressure Control Solenoid Valve 'A' Stuck Off | Pontiac |
| 1 | P0758 | 2-3 Shift Solenoid Circuit Malfunction | Chevrolet |
| 1 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 1 | P1100 | Starter Switch Circuit Low Input | Ford |
| 1 | P1110 | Atmospheric Pressure Sensor Low Voltage | Hyundai |
| 1 | P1111 | IAT Sensor Circuit Intermittent High Voltage | Audi |
| 1 | P1120 | TP Sensor 1 Circuit Malfunction | Honda |
| 1 | P1121 | TP Sensor Circuit Intermittent High Voltage | Nissan |
| 1 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Volkswagen |
| 1 | P1129 | MAP Sensor Value Higher Than Expected | Audi |
| 1 | P1132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Rich | Mercedes-Benz |
| 1 | P1139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Switching | Audi |
| 1 | P1142 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Input | Volkswagen |
| 1 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Hyundai |
| 1 | P1172 | Air Fuel Sensor (Bank 1 Sensor 1) Circuit Out-Of-Range High | Hyundai |
| 1 | P1173 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction | Hyundai |
| 1 | P1196 | Heated Oxygen Sensor (Bank 2 Sensor 1) Slow During Catalyst Monitor | Hyundai |
| 1 | P1212 | ABS/TCS Control Unit Malfunction | Nissan |
| 1 | P1223 | Throttle Position Sensor 2 Circuit Low Input | Nissan |
| 1 | P1229 | Accelerator Pedal Position Sensor 2 Power Circuit Short | Nissan |
| 1 | P1247 | Fuel Injector 8 Control Circuit Shorted | Ford |
| 1 | P1259 | VTEC System Malfunction (Bank 1) | Acura |
| 1 | P1271 | Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity | Ford |
| 1 | P1272 | Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity | Ford |
| 1 | P1274 | Air Fuel Sensor (Bank 1 Sensor 1) Rich Shift Monitoring | Ford |
| 1 | P1278 | Air Fuel Sensor (Bank 1 Sensor 1) Circuit Response Time | Ford |
| 1 | P1285 | Accelerator Pedal Position Sensor 3 Circuit Malfunction | Ford |
| 1 | P1298 | Electrical Load Detector Circuit High Voltage | Ford |
| 1 | P1299 | Vacuum Leak Present With IAC Valve Fully Seated | Ford |
| 1 | P1313 | ETC System - Ice Blockage / Short Circuit To Voltage | Jaguar |
| 1 | P1314 | ETC System - Ice Blockage / Short Circuit To Ground | Jaguar |
| 1 | P1336 | CKP Sensor System Variation Not Learned | Ford |
| 1 | P1345 | Camshaft To Crankshaft Position Correlation | Mazda |
| 1 | P1351 | ICM Ignition Control Circuit High Voltage | Chevrolet |
| 1 | P1354 | Variable Valve Timing System (Bank 2) | Lexus |
| 1 | P1366 | Top Dead Center Sensor 2 Circuit Intermittent Signal | Honda |
| 1 | P1380 | Misfire Detected, Rough Road Data Not Available | Chevrolet |
| 1 | P1382 | Camshaft Position Sensor 1 No Signal | Honda |
| 1 | P1399 | Misfire any cylinder | Honda |
| 1 | P1407 | EGR Flow Out Of Self-Test Range | Mercury |
| 1 | P1409 | EGR Vacuum Regulator Solenoid Circuit Malfunction | Ford |
| 1 | P1443 | Secondary Air Injection System Control Valve Circuit Malfunction (Bank 2) | Subaru |
| 1 | P1446 | EVAP Canister Vent Valve Malfunction (Closed) | Nissan |
| 1 | P1450 | Unable to Bleed Up Fuel Tank Vacuum | Ford |
| 1 | P1455 | Fuel Tank Level Sensor Circuit Malfunction | Infiniti |
| 1 | P1493 | Battery Temperature Sensor Circuit Low Voltage | Dodge |
| 1 | P1495 | Leak Detection Pump Solenoid Circuit Malfunction | Plymouth |
| 1 | P1504 | Idle Air Control Solenoid Circuit Malfunction | Lincoln |
| 1 | P1515 | Control Module Throttle Actuator Position Performance | Chevrolet |
| 1 | P1518 | Throttle Actuator Control Module Serial Data Malfunction | Chevrolet |
| 1 | P1557 | Battery Module Temperature Sensor Signal 3 Circuit Low Voltage | Audi |
| 1 | P1602 | Powertrain Control Module Not Programmed | Buick |
| 1 | P1612 | NATS CHAIN OF IMMU-PCM | Nissan |
| 1 | P1620 | Low Engine Coolant Switch Circuit Low Input | Pontiac |
| 1 | P1631 | Theft Deterrent Fuel Enable Signal Not Correct | Chevrolet |
| 1 | P1637 | Generator 'L' Terminal Circuit Malfunction | BMW |
| 1 | P1640 | Output Driver 1 Circuit Malfunction | Oldsmobile |
| 1 | P1650 | Output Driver 2 Circuit Malfunction | Oldsmobile |
| 1 | P1668 | Generator L-Terminal Control Circuit Malfunction | Ford |
| 1 | P1779 | Engine Torque Delivered to TCM Signal | Saturn |
| 1 | P2052 | Fuel Rail Pressure Sensor Implausible | Mercedes-Benz |
| 1 | P2055 | Cylinder 6 misfire TWC damaging | Mercedes-Benz |
| 1 | P2058 | Oxygen Sensor Signal Voltage Too High | Mercedes-Benz |
| 1 | P2101 | Control Module Throttle Actuator Position Performance | Pontiac |
| 1 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Saturn |
| 1 | P2176 | Minimum Throttle Position Not Learned | Saturn |
| 1 | P2181 | Cooling System Performance | Volkswagen |
| 1 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Mazda |
| 1 | P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean | Ford |
| 1 | P2197 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Lean" | Ford |
| 1 | P2427 | unknown | Dodge |
| 1 | P2618 | crank sensor | Ford |
| 1 | P3000 | HV Battery Malfunction | Ford |
| 1 | P3081 | Engine temp too low | Audi |
| 1 | P3102 | Transmission Control ECU Malfunction | Volkswagen |
| 1 | U0105 | Lost Communication With FICM | Ford |
| 1 | U1001 | Lost Communication With XXX Control Module | Nissan |
| 1 | U1152 | Lost Communication With HCM Module | GMC |
| 1 | U1162 | loss comm convience center | GMC |
