Diagnostic Trouble Code Index for May 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 |
| 21 | P0300 | Multiple Cylinder Misfire Detected | Buick, Chevrolet, Dodge, Ford, Jeep, Mazda, Mitsubishi, Oldsmobile, Suzuki, Toyota, Volkswagen |
| 8 | P0171 | Fuel System Lean (Bank 1) | Chevrolet, Ford, Honda, Nissan, Saab, Toyota |
| 8 | P0172 | Fuel System Rich (Bank 1) | Chevrolet, Chrysler, Dodge, Ford, Lexus, Nissan |
| 8 | P0301 | Cylinder 1 Misfire Detected | Chevrolet, Ford, Honda, Mercury, Mitsubishi, Subaru, Suzuki |
| 8 | P0340 | Camshaft Position Sensor Circuit Malfunction | BMW, Cadillac, Chrysler, Dodge, Ford, Kia, Lincoln |
| 7 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Ford, Toyota |
| 6 | P0320 | No Crank Reference Signal To PCM | Dodge, Ford, Jeep, Mercury |
| 6 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet, Honda, Nissan, Pontiac, Toyota |
| 6 | U1000 | Class 2 Communication Malfunction | Chevrolet, GMC, Nissan, Oldsmobile, Pontiac |
| 5 | P0175 | Fuel System Rich (Bank 2) | Chevrolet, Ford |
| 4 | P0303 | Cylinder 3 Misfire Detected | Chevrolet, Ford, Jeep, Oldsmobile |
| 4 | P0304 | Cylinder 4 Misfire Detected | Ford, Lincoln, Mazda, Oldsmobile |
| 4 | P1345 | Camshaft To Crankshaft Position Correlation | BMW, Chevrolet, GMC, Mazda |
| 4 | P1391 | CKP Or CMP Sensor Signal Intermittent | Chrysler, Dodge |
| 4 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Chevrolet, Oldsmobile |
| 3 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Ford, Honda, Mercury |
| 3 | P0302 | Cylinder 2 Misfire Detected | Chevrolet, GMC, Honda |
| 3 | P0306 | Cylinder 6 Misfire Detected | Ford, Jeep |
| 3 | P0307 | Cylinder 7 Misfire Detected | Chevrolet, Ford |
| 3 | P0401 | Insufficient EGR Flow Detected | Chevrolet, Ford, Volkswagen |
| 3 | P0440 | General EVAP System Failure | Saturn, Subaru |
| 3 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Dodge, Ford, Mercury |
| 3 | P1300 | Igniter 1 Circuit Malfunction | Honda, Lexus, Saab |
| 2 | P0101 | MAF Sensor Performance | Chevrolet, Volkswagen |
| 2 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | Chevrolet, Nissan |
| 2 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Saturn, Volvo |
| 2 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Dodge, Ford |
| 2 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Ford, Honda |
| 2 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Ford, Mercury |
| 2 | P0266 | Cylinder 2 Balance System Malfunction | Ford, Volkswagen |
| 2 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 2 | P0321 | Crankshaft Position Sensor Circuit Range/Performance | Buick, Oldsmobile |
| 2 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Mazda, Pontiac |
| 2 | P0336 | Crankshaft Position Sensor Performance | GMC, Pontiac |
| 2 | P0341 | CMP Sensor Performance | Buick, Oldsmobile |
| 2 | P0342 | CMP Sensor Circuit Low Voltage | Buick, Chevrolet |
| 2 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Chevrolet, Chrysler |
| 2 | P0400 | EGR System Recirculation Flow | Chevrolet, Nissan |
| 2 | P0441 | EVAP Purge System Performance | Dodge, Toyota |
| 2 | P0446 | EVAP Vent System Performance | Hyundai |
| 2 | P0455 | EVAP System Large Leak Detected | Ford, Toyota |
| 2 | P0470 | Exhaust Backpressure Sensor Circuit Malfunction | Ford |
| 2 | P0505 | Idle Control System Malfunction | Dodge, Toyota |
| 2 | P0550 | Power Steering Pressure Sensor Circuit Malfunction | Infiniti, Nissan |
| 2 | P0700 | Automatic Transmission System Malfunction Detected | Chevrolet, Jeep |
| 2 | P1121 | TP Sensor Circuit Intermittent High Voltage | Lexus, Subaru |
| 2 | P1122 | TP Sensor Circuit Intermittent Low Voltage | Chevrolet, Oldsmobile |
| 2 | P1125 | Accelerator Pedal Position System Malfunction | Chevrolet, Pontiac |
| 2 | P1176 | Electronic Throttle System Motor No. 1 Open or Shorted | Volkswagen |
| 2 | P1177 | Electronic Throttle System Motor No. 2 Open or Shorted | Volkswagen |
| 2 | P1189 | Engine Oil Pressure Switch Circuit Malfunction | Chevrolet, Oldsmobile |
| 2 | P1260 | Immobilizer System Malfunction | Jaguar, Lincoln |
| 2 | P1361 | ICM Ignition Control Circuit Low Voltage | Buick, Chevrolet |
| 2 | P1389 | No Auto Shutdown Relay Output Voltage To PCM | Dodge |
| 2 | P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) | Mini, Volkswagen |
| 2 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Nissan, Pontiac |
| 2 | P2181 | Cooling System Performance | Volkswagen |
| 2 | U1255 | Class 2 Communication Malfunction | Oldsmobile |
| 1 | B1001 | option configuration error | Oldsmobile |
| 1 | B1006 | Honda | |
| 1 | B1010 | HFM electrical fault value below lower limit | Honda |
| 1 | B1040 | CAN communication fault to engine control module | Mercedes-Benz |
| 1 | B1058 | Honda | |
| 1 | B1059 | Honda | |
| 1 | B1231 | Engine Coolant Temperature Sensor | Mercedes-Benz |
| 1 | B1365 | Ign. start ckt short - B | Oldsmobile |
| 1 | B1755 | Serial interface K2 from auto ac/tempmatic controlto instrument | Mercedes-Benz |
| 1 | B2585 | BCM code | Oldsmobile |
| 1 | B2752 | Horn | Oldsmobile |
| 1 | B2960 | Security system sensor data incorrect but valid | Chevrolet |
| 1 | C1022 | Asr no can comm with m.e. | Mercedes-Benz |
| 1 | C1298 | pcm class 2 serial data link fault | Oldsmobile |
| 1 | P0010 | Camshaft Position 'A' Actuator Circuit Malfunction (Bank 1) | Toyota |
| 1 | P0011 | Intake Camshaft Position System Performance | Porsche |
| 1 | P0014 | Exhaust Camshaft Position System Performance | Audi |
| 1 | P0102 | MAF Sensor Circuit Low Frequency | BMW |
| 1 | P0103 | MAF Sensor Circuit High Frequency | Volkswagen |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Chrysler |
| 1 | P0120 | TP Sensor 1 Signal Circuit Malfunction | Chevrolet |
| 1 | P0121 | TP Sensor Performance | Hyundai |
| 1 | P0122 | TP Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | GMC |
| 1 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Nissan |
| 1 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Dodge |
| 1 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Honda |
| 1 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Ford |
| 1 | P0148 | Fuel Delivery Error | Dodge |
| 1 | P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage | Saturn |
| 1 | P0156 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Malfunction | Toyota |
| 1 | P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage | Chevrolet |
| 1 | P0191 | Fuel Rail Pressure Sensor Performance | Ford |
| 1 | P0220 | Throttle Position Sensor 2 Circuit Malfunction | Chevrolet |
| 1 | P0222 | Throttle Position Sensor 2 Circuit Low Voltage | Mercedes-Benz |
| 1 | P0232 | Fuel Pump Feedback Circuit High Voltage | Ford |
| 1 | P0236 | Turbocharger Boost System Performance | GMC |
| 1 | P0244 | Turbo / Supercharger Wastegate Solenoid 'A' Range/Performance | Subaru |
| 1 | P0269 | Cylinder 3 Balance System Malfunction | Ford |
| 1 | P0305 | Cylinder 5 Misfire Detected | Ford |
| 1 | P0325 | Knock Sensor Circuit Malfunction | Mercury |
| 1 | P0330 | Knock Sensor 2 Circuit Malfunction | Toyota |
| 1 | P0338 | CKP Sensor Circuit High Duty Cycle | Chevrolet |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Chevrolet |
| 1 | P0344 | Camshaft Position Sensor Signal Intermittent | Ford |
| 1 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Jeep |
| 1 | P0356 | Ignition Coil 6 Control Circuit Malfunction | Dodge |
| 1 | P0404 | EGR Open Position Performance | Ford |
| 1 | P0411 | Secondary AIR System Incorrect Airflow Detected | Ford |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Nissan |
| 1 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | Nissan |
| 1 | P0456 | EVAP System Very Small Leak Detected | Jeep |
| 1 | P0462 | Fuel Level Sensor Low Voltage | Chevrolet |
| 1 | P0466 | evaporative vent control fault | GMC |
| 1 | P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) | Ford |
| 1 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Subaru |
| 1 | P0507 | Idle Speed High | Subaru |
| 1 | P0546 | Exhaust Gas Temperature Sensor 1 Circuit High Voltage | Chevrolet |
| 1 | P0572 | Brake Switch 1 Circuit Stuck On | Chrysler |
| 1 | P0600 | Serial Communication Link | Mercedes-Benz |
| 1 | P0622 | Generator F-Terminal Circuit Malfunction | Dodge |
| 1 | P0705 | Transaxle Range Switch Circuit Malfunction | Nissan |
| 1 | P0720 | Output Shaft Speed Sensor Circuit Malfunction | Dodge |
| 1 | P0725 | Engine Speed Sensor Circuit Malfunction | Jeep |
| 1 | P0748 | Pressure Control Solenoid Circuit Malfunction | Chevrolet |
| 1 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 1 | P1101 | Intake Airflow System Performance | Subaru |
| 1 | P1111 | IAT Sensor Circuit Intermittent High Voltage | Jaguar |
| 1 | P1120 | TP Sensor 1 Circuit Malfunction | Lexus |
| 1 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Audi |
| 1 | P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | Saturn |
| 1 | P1135 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Saab |
| 1 | P1142 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Input | Volkswagen |
| 1 | P1165 | Swirl Control Valve Control Vacuum Check Switch | Volkswagen |
| 1 | P1171 | Fuel System Lean During Acceleration | Ford |
| 1 | P1229 | Accelerator Pedal Position Sensor 2 Power Circuit Short | Nissan |
| 1 | P1247 | Fuel Injector 8 Control Circuit Shorted | Ford |
| 1 | P1264 | Cylinder 4 High To Low Side Short | Volkswagen |
| 1 | P1271 | Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity | Chevrolet |
| 1 | P1280 | Accelerator Pedal Position Sensor 2 Circuit Malfunction | Chevrolet |
| 1 | P1282 | Fuel Pump Relay Control Circuit Malfunction | Dodge |
| 1 | P1285 | Accelerator Pedal Position Sensor 3 Circuit Malfunction | Lincoln |
| 1 | P1292 | High Side No. 2 (Left) Short To Ground Or Voltage Detected | Ford |
| 1 | P1293 | High Side Bank No. 1 (Right) Open | Ford |
| 1 | P1309 | Misfire Detection Monitor | Ford |
| 1 | P1316 | Spark Plug Detection Module Circuit Malfunction (Bank 2) | Ford |
| 1 | P132B | Turbo boost control A performance | Ford |
| 1 | P1330 | Igniter No. 7 Circuit Malfunction | Volvo |
| 1 | P1335 | Crankshaft Position Sensor Circuit Malfunction | Ford |
| 1 | P1388 | Auto Shutdown Relay Control Circuit Malfunction | Dodge |
| 1 | P1400 | Cold Start Emission Reduction Control System | Lincoln |
| 1 | P1401 | EGR Temperature Sensor Circuit Malfunction | Lincoln |
| 1 | P1402 | EGR System Malfunction Detected (Open) | Nissan |
| 1 | P1406 | EGR Valve Pintle Position Circuit Malfunction | Chevrolet |
| 1 | P1408 | EGR Flow Out Of Self-Test Range | Ford |
| 1 | P1411 | Cylinder 1 Reactivation Control Performance | Volkswagen |
| 1 | P1423 | Fuel Tank Large Leak | Volkswagen |
| 1 | P1456 | EVAP System Leak Detected (Fuel Tank Area) | Nissan |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 1 | P1479 | High Fan Control / Fan Control 3 Primary Circuit Malfunction | Audi |
| 1 | P1491 | EVAP Vacuum Cut Valve/Bypass Circuit Malfunction | Dodge |
| 1 | P1494 | EVAP Leak Detection Pump Switch Or Mechanical Fault | Dodge |
| 1 | P1495 | Leak Detection Pump Solenoid Circuit Malfunction | Dodge |
| 1 | P1512 | Control Module Throttle Actuator Position Performance | Ford |
| 1 | P1513 | Starter Request Switch Stuck | Ford |
| 1 | P1514 | Throttle Body Performance | GMC |
| 1 | P1516 | TAC Module Throttle Actuator Position Performance | Chevrolet |
| 1 | P1522 | Brake Booster (Master Power) Vacuum Sensor Low Voltage | BMW |
| 1 | P1540 | Air Conditioning Refrigerant Over-Pressure - Air Conditioning Disabled | Subaru |
| 1 | P1571 | Traction Control Torque Request Circuit Malfunction | Cadillac |
| 1 | P1580 | Battery Current Sensor Circuit Malfunction | Volkswagen |
| 1 | P1585 | Cruise Control Inhibit Output Circuit Malfunction | Oldsmobile |
| 1 | P1599 | A/C Pressure Sensor Circuit Low Voltage | Saturn |
| 1 | P1600 | TCM Internal Watchdog Operation | Mitsubishi |
| 1 | P1611 | NATS ID DISCORD, IMM-PCM | Saab |
| 1 | P1620 | Low Engine Coolant Switch Circuit Low Input | Saturn |
| 1 | P1629 | Theft Deterrent Signal Not Present, Engine Cranking | Oldsmobile |
| 1 | P1634 | TCM Internal - Internal Watchdog Performance | Cadillac |
| 1 | P1644 | Incorrect Variant / Configuration | BMW |
| 1 | P1663 | Change Oil Lamp Control Circuit Malfunction | Ford |
| 1 | P1680 | Powertrain Control Module Internal Malfunction | Chevrolet |
| 1 | P1687 | No Communication With MIC | Dodge |
| 1 | P1690 | SMARTA - No Response | Dodge |
| 1 | P1693 | Transponder No Response Error / Invalid Response | Dodge |
| 1 | P1705 | Throttle Position Sensor Circuit Malfunction | Ford |
| 1 | P1739 | Power Up Circuit At Speed | Honda |
| 1 | P1747 | EPC Solenoid Circuit Malfunction | Mercedes-Benz |
| 1 | P1757 | Front Brake Solenoid Valve Circuit Malfunction | Dodge |
| 1 | P1763 | Governor Pressure Sensor Signal Too High | Jeep |
| 1 | P1781 | O/D Pressure Switch Sense Circuit Malfunction | Chevrolet |
| 1 | P2033 | Exhaust Gas Temperature Sensor 2 Circuit High Voltage | Chevrolet |
| 1 | P2034 | Oxygen Sensor Circuit Calibration Value Too High Or Too Low | Mercedes-Benz |
| 1 | P2043 | Camshaft Position Sensor No Signal / Signal Faulty | Mercedes-Benz |
| 1 | P2050 | Misfiring damages twc | Mercedes-Benz |
| 1 | P2052 | Fuel Rail Pressure Sensor Implausible | Mercedes-Benz |
| 1 | P2055 | Cylinder 6 misfire TWC damaging | Mercedes-Benz |
| 1 | P2057 | Oxygen Sensor Signal Voltage Too High | Mercedes-Benz |
| 1 | P2106 | Electronic Throttle Control System - Forced Limited Power | Ford |
| 1 | P2107 | Electronic Throttle Control Module Processor | Lincoln |
| 1 | P2110 | Electronic Throttle Control - Forced Limited RPM | Lincoln |
| 1 | P2118 | Electronic Throttle Control - Motor Current Performance | Toyota |
| 1 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | Nissan |
| 1 | P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean | Toyota |
| 1 | P2197 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Lean" | Ford |
| 1 | P2198 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Rich" | Toyota |
| 1 | P2251 | Heated Oxygen Sensor (Bank 1 Sensor 1) Reference Ground Circuit | Honda |
| 1 | P2284 | Injector Control Pressure Circuit Range/Performance | Ford |
| 1 | P2290 | Injector Control Pressure Too Low | Ford |
| 1 | P244B | Diesel Particulate Filter Differential Pressure Too High | Chevrolet |
| 1 | P2463 | Diesel Particulate Filter Soot Level Accumulation | Chevrolet |
| 1 | P2716 | Pressure Control Solenoid 'D' Circuit Malfunction | Toyota |
| 1 | P3004 | Power Cable Malfunction | Honda |
| 1 | P3304 | Exhaust Camshaft/Crankshaft Position Sensor Incorrect | Audi |
| 1 | P5446 | Toyota | |
| 1 | U1001 | Lost Communication With XXX Control Module | Nissan |
| 1 | U1009 | First letter in code U. SCP inval/miss eng.torq. data | Lincoln |
| 1 | U1016 | Serial Communications Malfunction | Chevrolet |
| 1 | U1027 | SCP Data Fault engine RPM | Lincoln |
| 1 | U1064 | Lost Communication With BCM or VCD Module | Chevrolet |
| 1 | U1096 | Loss of Communication With Instrument Panel Cluster | Chevrolet |
| 1 | U1128 | Loss of Communication With Radio | Oldsmobile |
| 1 | U1176 | Loss of Communication With Remote Functional Actuation (RCDLR) | Chevrolet |
| 1 | U1301 | Class 2 Data Line Short To Voltage | Chevrolet |
