Diagnostic Trouble Code Index for August 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 |
| 28 | P0300 | Multiple Cylinder Misfire Detected | Audi, Buick, Chevrolet, Chrysler, Dodge, Ford, Honda, Hyundai, Isuzu, Jaguar, Jeep, Land Rover, Mazda, Nissan, Toyota |
| 16 | P0302 | Cylinder 2 Misfire Detected | Audi, Chevrolet, Dodge, Ford, Honda, Hyundai, Isuzu, Jeep, Mazda, Nissan, Toyota, Volvo |
| 14 | P0171 | Fuel System Lean (Bank 1) | Acura, Chevrolet, Ford, Honda, Lincoln, Mercury, Mitsubishi, Nissan, Pontiac, Subaru |
| 13 | P0174 | Fuel System Lean (Bank 2) | Acura, Audi, Chevrolet, Ford, Lincoln, Mercury, Oldsmobile, Pontiac, Volkswagen |
| 11 | P0303 | Cylinder 3 Misfire Detected | Audi, Chrysler, Dodge, Ford, Honda, Jeep, Land Rover, Toyota, Volvo |
| 11 | P0304 | Cylinder 4 Misfire Detected | Chevrolet, Chrysler, Honda, Hyundai, Isuzu, Jeep, Kia, Mazda, Saab, Volvo |
| 9 | P0301 | Cylinder 1 Misfire Detected | Chevrolet, Dodge, Ford, Honda, Jeep, Kia, Volvo |
| 9 | P0340 | Camshaft Position Sensor Circuit Malfunction | Chevrolet, Dodge, Ford, Kia, Mitsubishi, Nissan, Toyota |
| 8 | P0172 | Fuel System Rich (Bank 1) | Acura, Chevrolet, Chrysler, Dodge, Ford, Hyundai, Volvo |
| 8 | P0305 | Cylinder 5 Misfire Detected | Audi, Chevrolet, Dodge, Ford, Jeep, Land Rover, Volvo |
| 6 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Chevrolet, Chrysler, Kia, Mitsubishi, Nissan |
| 6 | P0440 | General EVAP System Failure | Chevrolet, Land Rover, Lexus, Nissan, Suzuki |
| 5 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | BMW, Ford, Infiniti, Toyota |
| 5 | P0306 | Cylinder 6 Misfire Detected | Audi, Chrysler, Ford, Mazda, Pontiac |
| 5 | P0410 | Secondary Air System Performance | Buick, Cadillac, Chevrolet, Saturn |
| 4 | P0122 | TP Sensor Circuit Low Voltage | Chevrolet, Chrysler, GMC, Subaru |
| 4 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | BMW, Ford, Toyota, Volkswagen |
| 4 | P0336 | Crankshaft Position Sensor Performance | Chevrolet, Ford, Toyota |
| 4 | P0455 | EVAP System Large Leak Detected | Hyundai, Jeep, Mercedes-Benz |
| 3 | P0016 | Crankshaft/Camshaft Timing Misalignment | Chrysler, Dodge, Kia |
| 3 | P0102 | MAF Sensor Circuit Low Frequency | Ford, Volkswagen |
| 3 | P0121 | TP Sensor Performance | Hyundai, Isuzu, Volkswagen |
| 3 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Pontiac, Volvo |
| 3 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | Audi, Mercedes-Benz |
| 3 | P0175 | Fuel System Rich (Bank 2) | Ford |
| 3 | P0320 | No Crank Reference Signal To PCM | Dodge, Ford, Plymouth |
| 3 | P0341 | CMP Sensor Performance | Audi, Buick, Volkswagen |
| 3 | P0401 | Insufficient EGR Flow Detected | Ford |
| 3 | P0446 | EVAP Vent System Performance | Land Rover, Nissan, Toyota |
| 3 | P0463 | Fuel Level Sensor High Voltage | Buick, Chevrolet |
| 3 | P0505 | Idle Control System Malfunction | Chrysler, Dodge, Nissan |
| 3 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Chevrolet, Mitsubishi, Nissan |
| 2 | P0011 | Intake Camshaft Position System Performance | Nissan, Volkswagen |
| 2 | P0100 | Mass Airflow Sensor Circuit Malfunction | Nissan, Toyota |
| 2 | P0101 | MAF Sensor Performance | Chevrolet, Kia |
| 2 | P0107 | MAP Sensor Circuit Low Voltage | Chrysler, Honda |
| 2 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Chrysler, Kia |
| 2 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Subaru, Toyota |
| 2 | P0237 | Turbocharger Boost Sensor Circuit Low Voltage | Ford, GMC |
| 2 | P0284 | Cylinder 8 Balance System Malfunction | Ford |
| 2 | P0299 | Turbocharger Engine Underboost | Audi, Volkswagen |
| 2 | P0307 | Cylinder 7 Misfire Detected | Chevrolet, Ford |
| 2 | P0325 | Knock Sensor Circuit Malfunction | Nissan |
| 2 | P0339 | Crankshaft Position Sensor Signal Intermittent | Chevrolet, Chrysler |
| 2 | P0344 | Camshaft Position Sensor Signal Intermittent | Dodge, Ford |
| 2 | P0345 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Ford, Mazda |
| 2 | P0353 | Ignition Coil 3 Control Circuit Malfunction | GMC, Toyota |
| 2 | P0402 | Excessive EGR Flow Detected | GMC, Mercury |
| 2 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Nissan, Toyota |
| 2 | P0491 | Secondary AIR System Insufficient Flow Detected (Bank 1) | Audi, BMW |
| 2 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Mercedes-Benz, Subaru |
| 2 | P0507 | Idle Speed High | Mercedes-Benz, Mitsubishi |
| 2 | P0560 | System Voltage Malfunction | Kia, Saturn |
| 2 | P1121 | TP Sensor Circuit Intermittent High Voltage | Ford, Subaru |
| 2 | P1127 | ETCS Actuator Power Source Circuit Malfunction | Audi, Mazda |
| 2 | P1170 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit - No Inversion | Land Rover |
| 2 | P1340 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Saab, Volkswagen |
| 2 | P1345 | Camshaft To Crankshaft Position Correlation | Chevrolet |
| 2 | P1580 | Battery Current Sensor Circuit Malfunction | Mercedes-Benz, Volkswagen |
| 2 | P1688 | Unmanaged Engine Torque Signal Delivered To TCM | Dodge, Mini |
| 2 | P2044 | misfiring of cylinder 01 | Mercedes-Benz |
| 2 | P2100 | Electronic Throttle Control Motor Circuit / Open (Bank 1) | Ford, Lincoln |
| 2 | P2110 | Electronic Throttle Control - Forced Limited RPM | Ford, Lincoln |
| 2 | P2359 | Boost Pressure Sensor Voltage Too Low | Dodge |
| 2 | U1255 | Class 2 Communication Malfunction | Cadillac, Chevrolet |
| 1 | B1342 | ECU Damaged (EEPROM Inside PCM Not Working) | Ford |
| 1 | B1352 | Ignition key-in circuit failure | Ford |
| 1 | B1428 | Seat Belt Lamp circuit failure | Ford |
| 1 | B1499 | Left turn signal fault | Ford |
| 1 | B1503 | Turn signal right failure | Ford |
| 1 | B1601 | PATS Received Incorrect Key Code From Ignition Key Transponder | Ford |
| 1 | B2647 | Ambient Light Sensor Circuit Low | Chevrolet |
| 1 | B2750 | Pass Key Data Communication Failure | Cadillac |
| 1 | C0205 | lf wss signal malfunction abs | Toyota |
| 1 | C0326 | rear diff | Oldsmobile |
| 1 | C1259 | HV control system regen. malfunction | Toyota |
| 1 | C1284 | Oil pressure switch Fault | Ford |
| 1 | C1521 | motor malfuntion emps | Toyota |
| 1 | C1522 | motor malfunction emps | Toyota |
| 1 | P0021 | Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2) | Ford |
| 1 | P0053 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance | Chevrolet |
| 1 | P0054 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Resistance | Chevrolet |
| 1 | P0059 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Resistance | Chevrolet |
| 1 | P0060 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Resistance | Chevrolet |
| 1 | P006A | maf/map correlastion problem | Ford |
| 1 | P0073 | Ambient Air Temperature Sensor Circuit High Voltage | Cadillac |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Chevrolet |
| 1 | P0110 | Intake Air Temperature Sensor Circuit Malfunction | Toyota |
| 1 | P0115 | Engine Coolant Temperature Sensor Circuit Malfunction | Nissan |
| 1 | P0117 | ECT Sensor Circuit Low Voltage | Honda |
| 1 | P0118 | ECT Sensor Circuit High Voltage | Chrysler |
| 1 | P0123 | TP Sensor Circuit High Voltage | Dodge |
| 1 | P0125 | Engine Coolant Temperature Insufficient For Closed Loop Fuel Control | Toyota |
| 1 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | Volkswagen |
| 1 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Dodge |
| 1 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Saab |
| 1 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Subaru |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Jeep |
| 1 | P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response | Hyundai |
| 1 | P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage | Oldsmobile |
| 1 | P0153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Slow Response | Oldsmobile |
| 1 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | Mercedes-Benz |
| 1 | P0176 | Loss Of Flexible Fuel Calibration Signal | Ford |
| 1 | P0180 | Fuel Tank Temperature Sensor Circuit Malfunction | Mercedes-Benz |
| 1 | P0190 | Fuel Rail Pressure Sensor Circuit Malfunction | Lincoln |
| 1 | P0193 | Fuel Rail Pressure Sensor Circuit High Voltage | Chevrolet |
| 1 | P0251 | Injection Pump Camshaft System | Dodge |
| 1 | P0267 | Fuel Injector 3 Control Circuit Low Voltage | Ford |
| 1 | P0272 | Cylinder 4 Balance System Malfunction | Ford |
| 1 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 1 | P0333 | Knock Sensor Circuit High Voltage (Bank 2) | Jaguar |
| 1 | P0342 | CMP Sensor Circuit Low Voltage | Buick |
| 1 | P0343 | CMP Sensor Circuit High Voltage | Kia |
| 1 | P0346 | Intake Camshaft Position Sensor Performance (Bank 2) | Isuzu |
| 1 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Dodge |
| 1 | P0355 | Ignition Coil 5 Control Circuit Malfunction | Nissan |
| 1 | P0386 | Crankshaft Position Sensor 'B' Performance | Oldsmobile |
| 1 | P0400 | EGR System Recirculation Flow | Subaru |
| 1 | P0405 | EGR Position Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0441 | EVAP Purge System Performance | Dodge |
| 1 | P0442 | EVAP System Small Leak Detected | Volvo |
| 1 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Ford |
| 1 | P0445 | EVAP Canister Purge Volume Control Solenoid Circuit High Voltage | Volvo |
| 1 | P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) | Ford |
| 1 | P0481 | Cooling Fan Relay 2 Control Circuit Malfunction | Chrysler |
| 1 | P0489 | EGR Solenoid Control Circuit Low Voltage | Saturn |
| 1 | P0495 | Cooling Fan Speed High | GMC |
| 1 | P0585 | Speed Control Switch 1-2 Correlation | Dodge |
| 1 | P0603 | Control Module Long Term Memory Reset | Ford |
| 1 | P0638 | Throttle Actuator Control Command Performance | Saturn |
| 1 | P0642 | Sensor Reference Voltage 1 Circuit Low | Chevrolet |
| 1 | P0652 | Sensor Reference Voltage 2 Circuit Low | Volkswagen |
| 1 | P0700 | Automatic Transmission System Malfunction Detected | Saturn |
| 1 | P0704 | Clutch Switch Circuit Malfunction | Mercury |
| 1 | P0725 | Engine Speed Sensor Circuit Malfunction | Nissan |
| 1 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 1 | P1009 | Variable Valve Timing Control Advance Malfunction | Honda |
| 1 | P1101 | Intake Airflow System Performance | Subaru |
| 1 | P1105 | MAP / BARO Switch Solenoid Malfunction | Nissan |
| 1 | P1115 | ECT Sensor Circuit Intermittent High Voltage | Kia |
| 1 | P1116 | Engine Coolant Temperature Sensor Performance | Volkswagen |
| 1 | P1120 | TP Sensor 1 Circuit Malfunction | Subaru |
| 1 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Volkswagen |
| 1 | P1129 | MAP Sensor Value Higher Than Expected | Audi |
| 1 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Nissan |
| 1 | P1132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Rich | Ford |
| 1 | P1138 | Heated Oxygen Sensor (Bank 1 Sensor 2) High Voltage In Decel Fuel Cutoff | Ford |
| 1 | P1141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Input | Audi |
| 1 | P1157 | Air Fuel Sensor (Bank 1 Sensor 1) AFS Line High Voltage | Acura |
| 1 | P1159 | Air Fuel Sensor (Bank 1 Sensor 1) AFS+ Circuit Low Voltage | Kia |
| 1 | P1171 | Fuel System Lean During Acceleration | Land Rover |
| 1 | P1174 | Fuel Trim Cylinder Balance | Land Rover |
| 1 | P1184 | Engine Oil Temperature Sensor Out Of Self Test Range | Volkswagen |
| 1 | P1193 | Intake Air Temperature Sensor Circuit High Voltage | Chrysler |
| 1 | P1195 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Insufficient Activity | Mazda |
| 1 | P1212 | ABS/TCS Control Unit Malfunction | Ford |
| 1 | P1219 | Cylinder ID Signal Stuck Low | Ford |
| 1 | P1233 | Fuel System Disabled Or Offline | Ford |
| 1 | P1246 | Generator Load Input | Volkswagen |
| 1 | P1247 | Fuel Injector 8 Control Circuit Shorted | Ford |
| 1 | P1248 | AWD Plausibility | Ford |
| 1 | P1250 | Pressure Regulator Control Solenoid Circuit Malfunction | Mazda |
| 1 | P1261 | Cylinder 1 High To Low Side Short | Volkswagen |
| 1 | P1264 | Cylinder 4 High To Low Side Short | Volkswagen |
| 1 | P1267 | Cylinder 7 High To Low Side Short | Volkswagen |
| 1 | P1316 | Spark Plug Detection Module Circuit Malfunction (Bank 2) | Land Rover |
| 1 | P132B | Turbo boost control A performance | Ford |
| 1 | P1361 | ICM Ignition Control Circuit Low Voltage | Buick |
| 1 | P1379 | System Voltage Out Of Self-Test Range | Ford |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Dodge |
| 1 | P1400 | Cold Start Emission Reduction Control System | Nissan |
| 1 | P1408 | EGR Flow Out Of Self-Test Range | Ford |
| 1 | P1415 | Secondary Air Injection System (Bank 1) | Chevrolet |
| 1 | P1421 | Cold Start Emission Reduction Strategy Monitoring | Volkswagen |
| 1 | P1425 | EVAP System Leak Detection Pump Flow High/Low | Volkswagen |
| 1 | P1440 | EVAP Canister System Small Leak (0.040) Detected | Nissan |
| 1 | P1451 | Barometric Pressure Sensor Signal Range/Performance | Volkswagen |
| 1 | P1455 | Fuel Tank Level Sensor Circuit Malfunction | Toyota |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 1 | P1460 | Wide Open Throttle A/C Cut-Off Relay Circuit Malfunction | Saab |
| 1 | P1464 | Fuel Level Sensor Circuit High Voltage | Mazda |
| 1 | P1472 | Evap leak detection pump short to ground | Volkswagen |
| 1 | P1479 | High Fan Control / Fan Control 3 Primary Circuit Malfunction | Volkswagen |
| 1 | P1490 | Low Speed Radiator Fan Relay Circuit Malfunction | Nissan |
| 1 | P1492 | Battery Temperature Sensor Circuit High Voltage | Mitsubishi |
| 1 | P1494 | EVAP Leak Detection Pump Switch Or Mechanical Fault | Jeep |
| 1 | P1506 | Idle Air Control System RPM Higher Than Expected | Ford |
| 1 | P1516 | TAC Module Throttle Actuator Position Performance | Chevrolet |
| 1 | P1521 | Incorrect Engine Oil Type | Mazda |
| 1 | P1543 | Air Conditioning System Performance | Volkswagen |
| 1 | P1556 | Battery Module Temperature Sensor Signal 2 Circuit High Voltage | Audi |
| 1 | P1562 | PCM +BB Voltage Low | Volkswagen |
| 1 | P1590 | Neutral Position Switch High Input | Land Rover |
| 1 | P1598 | A/C Pressure Sensor Circuit High Voltage | Dodge |
| 1 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Chevrolet |
| 1 | P1631 | Theft Deterrent Fuel Enable Signal Not Correct | Cadillac |
| 1 | P1651 | Cooling Fan 1 Relay Control Circuit Malfunction | Land Rover |
| 1 | P1686 | No SKIM Bus Messages Received | Jeep |
| 1 | P1693 | Transponder No Response Error / Invalid Response | Kia |
| 1 | P1779 | Engine Torque Delivered to TCM Signal | Saturn |
| 1 | P2004 | Intake Manifold Runner Control Stuck Open | Ford |
| 1 | P201C | Fuel tank pressure sensor b4/3 | Mercedes-Benz |
| 1 | P2025 | EVAP Vapor Fuel Temperature Sensor Performance | Dodge |
| 1 | P2029 | Intake Air Temperature Sensor Performance | Mercedes-Benz |
| 1 | P2047 | Fuel Rail Pressure Volume Control - Maximum Fuel Pressure Exceeded | Dodge |
| 1 | P2051 | Fuel Rail Pressure Sensor - Maximum Fuel Pressure Exceeded | Dodge |
| 1 | P2068 | Secondary Fuel Level Sensor Circuit High Voltage | Dodge |
| 1 | P2101 | Control Module Throttle Actuator Position Performance | Saturn |
| 1 | P2104 | ETC System Malfunction - Forced Idle | Ford |
| 1 | P2106 | Electronic Throttle Control System - Forced Limited Power | Dodge |
| 1 | P2107 | Electronic Throttle Control Module Processor | Lincoln |
| 1 | P2108 | Electronic Throttle Control Module Performance | Dodge |
| 1 | P2111 | Electronic Throttle Control - Unable To Close | Ford |
| 1 | P2112 | Electronic Throttle Control - Unable To Open | Ford |
| 1 | P2115 | Accelerator Pedal Position Sensor 1 Minimum Stop Performance | Dodge |
| 1 | P2116 | Accelerator Pedal Position Sensor 2 Minimum Stop Performance | Dodge |
| 1 | P2118 | Electronic Throttle Control - Motor Current Performance | Toyota |
| 1 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | Honda |
| 1 | P2127 | Accelerator Pedal Position Sensor 2 Circuit Low Voltage | Honda |
| 1 | P2135 | Throttle Position Sensor 1-2 Correlation Error | GMC |
| 1 | P2166 | Accelerator Pedal Position Sensor 1 Maximum Stop Performance | Dodge |
| 1 | P2167 | Accelerator Pedal Position Sensor 2 Maximum Stop Performance | Dodge |
| 1 | P2177 | Fuel Trim System Lean At Cruise Or Acceleration (Bank 1) | Mazda |
| 1 | P2179 | Fuel Trim System Lean At Cruise Or Acceleration (Bank 2) | Mazda |
| 1 | P2181 | Cooling System Performance | Volkswagen |
| 1 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Mazda |
| 1 | P2222 | TCM DTC Modulating Pressure Solenoid Fault Present | Honda |
| 1 | P2284 | Injector Control Pressure Circuit Range/Performance | Ford |
| 1 | P2291 | Injector Control Pressure Too Low - Engine Cranking | Ford |
| 1 | P2304 | Ignition Coil 2 Control Circuit High Voltage | Saab |
| 1 | P2452 | Diesel Particulate Filter Pressure Sensor A circuit | Ford |
| 1 | P2627 | Air Fuel Sensor (Bank 1 Sensor 1) Label Circuit Low Voltage | Honda |
| 1 | P2958 | Injector 5 Charge Time Too Long / Too Short | Chevrolet |
| 1 | P2960 | passlock sensor voltage range | Chevrolet |
| 1 | P2A00 | Heated Oxygen Sensor (Bank 1 Sensor 1) Closed Loop Performance | Honda |
| 1 | P3190 | Poor Engine Power | Toyota |
| 1 | P5001 | vehicle speed sensor A | Toyota |
| 1 | U0121 | Lost Communication With Antilock Brake System Module | Mazda |
| 1 | U1016 | Serial Communications Malfunction | Chevrolet |
| 1 | U1041 | Loss of Electronic Brake Controller Communication | Chevrolet |
| 1 | U1064 | Lost Communication With BCM or VCD Module | Chevrolet |
| 1 | U1096 | Loss of Communication With Instrument Panel Cluster | Chevrolet |
