Diagnostic Trouble Code Index for May 2009
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, BMW, Buick, Chevrolet, Chrysler, Ford, GMC, Honda, Infiniti, Lexus, Mazda, Saturn, Toyota, Volkswagen |
| 19 | P0171 | Fuel System Lean (Bank 1) | BMW, Chevrolet, Ford, GMC, Honda, Hummer, Jaguar, Jeep, Mercedes-Benz, Saturn, Toyota |
| 16 | P0301 | Cylinder 1 Misfire Detected | Chrysler, Dodge, Ford, Honda, Lexus, Nissan, Toyota, Volkswagen |
| 15 | P0303 | Cylinder 3 Misfire Detected | Chrysler, Ford, Honda, Lexus, Mazda, Mitsubishi, Toyota, Volkswagen |
| 13 | P0304 | Cylinder 4 Misfire Detected | Audi, Chevrolet, Ford, Honda, Land Rover, Mazda, Nissan, Subaru, Volkswagen |
| 12 | P0302 | Cylinder 2 Misfire Detected | Ford, Honda, Mazda, Mitsubishi, Toyota, Volkswagen |
| 10 | P0174 | Fuel System Lean (Bank 2) | BMW, Chevrolet, Ford, GMC, Jaguar, Jeep |
| 10 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Chevrolet, Chrysler, Dodge, Hyundai, Mazda, Nissan, Scion, Toyota |
| 8 | P0305 | Cylinder 5 Misfire Detected | Audi, Ford, Honda, Isuzu, Lexus, Toyota |
| 8 | P0340 | Camshaft Position Sensor Circuit Malfunction | BMW, Chrysler, Dodge, Ford, Jeep, Nissan, Toyota, Volvo |
| 8 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Audi, Chrysler, Honda, Jeep, Subaru, Toyota |
| 6 | P0306 | Cylinder 6 Misfire Detected | Audi, Chevrolet, Dodge, Ford, Jeep, Mitsubishi |
| 6 | P0455 | EVAP System Large Leak Detected | Cadillac, Jeep, Lexus, Mitsubishi, Nissan, Volvo |
| 5 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Chevrolet, Chrysler, Dodge |
| 5 | P0172 | Fuel System Rich (Bank 1) | Chrysler, Dodge, Mercedes-Benz, Volvo |
| 5 | P0441 | EVAP Purge System Performance | Dodge, Hyundai, Land Rover, Lexus, Volkswagen |
| 4 | P0122 | TP Sensor Circuit Low Voltage | Buick, Chrysler, Oldsmobile, Pontiac |
| 4 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Honda, Hyundai, Pontiac |
| 4 | P0325 | Knock Sensor Circuit Malfunction | Mercury, Nissan |
| 4 | P0404 | EGR Open Position Performance | Dodge, Ford |
| 3 | P0102 | MAF Sensor Circuit Low Frequency | Buick, Mazda |
| 3 | P0175 | Fuel System Rich (Bank 2) | Ford |
| 3 | P0336 | Crankshaft Position Sensor Performance | Buick, Chevrolet, Saturn |
| 3 | P0401 | Insufficient EGR Flow Detected | Ford |
| 3 | P0440 | General EVAP System Failure | Buick, Chevrolet, Toyota |
| 3 | P0462 | Fuel Level Sensor Low Voltage | GMC, Pontiac |
| 3 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Audi, Volkswagen |
| 3 | P1320 | Igniter 5 Circuit Malfunction | Nissan, Saab |
| 3 | P1518 | Throttle Actuator Control Module Serial Data Malfunction | Chevrolet, GMC, Pontiac |
| 3 | P1599 | A/C Pressure Sensor Circuit Low Voltage | Saturn |
| 2 | P0016 | Crankshaft/Camshaft Timing Misalignment | Cadillac, Dodge |
| 2 | P0101 | MAF Sensor Performance | Chevrolet, Volkswagen |
| 2 | P0106 | MAP Sensor Performance | Chrysler, Ford |
| 2 | P0129 | Barometric Pressure Sensor Out-Of-Range Low | Chrysler, Dodge |
| 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 | Audi, Ford |
| 2 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | BMW, Mercedes-Benz |
| 2 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | BMW, Mercedes-Benz |
| 2 | P0200 | Fuel Injector Circuit Malfunction | Chevrolet |
| 2 | P0299 | Turbocharger Engine Underboost | Ford |
| 2 | P0320 | No Crank Reference Signal To PCM | Chrysler, Jeep |
| 2 | P0341 | CMP Sensor Performance | Subaru, Volkswagen |
| 2 | P0344 | Camshaft Position Sensor Signal Intermittent | Chrysler, Ford |
| 2 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Ford, Jeep |
| 2 | P0442 | EVAP System Small Leak Detected | Dodge, Ford |
| 2 | P0450 | EVAP Vapor Pressure Sensor Circuit Malfunction | Nissan, Volvo |
| 2 | P0453 | Fuel Tank Pressure Sensor Circuit High Voltage | Ford, GMC |
| 2 | P0456 | EVAP System Very Small Leak Detected | Dodge, Lincoln |
| 2 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Ford, Scion |
| 2 | P1000 | OBD II Monitor Testing No Completed | Jaguar |
| 2 | P1125 | Accelerator Pedal Position System Malfunction | Lexus, Porsche |
| 2 | P1189 | Engine Oil Pressure Switch Circuit Malfunction | Chevrolet |
| 2 | P1349 | Variable Valve Timing System (Bank 1) | Lexus |
| 2 | P1448 | EVAP Canister Vent Control Valve Malfunction (Open) | BMW, Nissan |
| 2 | P1670 | Output Driver 4 Voltage High Voltage | Ford, Volvo |
| 2 | P2135 | Throttle Position Sensor 1-2 Correlation Error | GMC, Saturn |
| 2 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Chevrolet, Saturn |
| 2 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Audi, Volkswagen |
| 2 | P2614 | Camshaft Position Output Circuit Malfunction | Ford |
| 2 | P2617 | Crankshaft Position Signal Output Circuit Malfunction | Ford |
| 2 | P2636 | Fuel Transfer Pump Flow Insufficient | GMC |
| 2 | U1000 | Class 2 Communication Malfunction | Chevrolet, Nissan |
| 1 | B2960 | Security system sensor data incorrect but valid | Saturn |
| 1 | C1145 | RF Wheel Speed | Jaguar |
| 1 | P0008 | Engine Position System Performance (Bank 1) | Cadillac |
| 1 | P0009 | Engine Position System Performance (Bank 2) | Cadillac |
| 1 | P0010 | Camshaft Position 'A' Actuator Circuit Malfunction (Bank 1) | Ford |
| 1 | P0011 | Intake Camshaft Position System Performance | Infiniti |
| 1 | P0015 | Camshaft Position 'B' Over-Retarded (Bank 1) | Volvo |
| 1 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Cadillac |
| 1 | P0018 | Crankshaft Position - Intake Camshaft Position Correlation (Bank 2) | Cadillac |
| 1 | P0019 | Crankshaft Position - Exhaust Camshaft Position Correlation (Bank 2) | Cadillac |
| 1 | P0020 | Camshaft Position 'A' Actuator Circuit Malfunction (Bank 2) | Ford |
| 1 | P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | Nissan |
| 1 | P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage | Nissan |
| 1 | P0068 | Throttle Body Airflow Performance | Chevrolet |
| 1 | P006A | maf/map correlastion problem | Ford |
| 1 | P0089 | Fuel Pressure Regulator Performance | Volvo |
| 1 | P0105 | MAP Sensor Performance | Mercury |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Lincoln |
| 1 | P0109 | Manifold Air Pressure Sensor Circuit Intermittent | Ford |
| 1 | P0115 | Engine Coolant Temperature Sensor Circuit Malfunction | Nissan |
| 1 | P0123 | TP Sensor Circuit High Voltage | Jeep |
| 1 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Volkswagen |
| 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 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Ford |
| 1 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Ford |
| 1 | P0150 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction | Nissan |
| 1 | P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage | Jeep |
| 1 | P0152 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit High Voltage | Jeep |
| 1 | P0153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Slow Response | Ford |
| 1 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Ford |
| 1 | P0201 | Fuel Injector 1 Control Circuit Malfunction | Dodge |
| 1 | P0202 | Fuel Injector 2 Control Circuit Malfunction | Jeep |
| 1 | P0203 | Fuel Injector 3 Control Circuit Malfunction | Dodge |
| 1 | P0204 | Fuel Injector 4 Control Circuit Malfunction | Dodge |
| 1 | P0206 | Fuel Injector 6 Control Circuit Malfunction | Dodge |
| 1 | P0208 | Fuel Injector 8 Control Circuit Malfunction | Toyota |
| 1 | P0220 | Throttle Position Sensor 2 Circuit Malfunction | GMC |
| 1 | P0231 | Fuel Pump Feedback Circuit Low Voltage | Ford |
| 1 | P0236 | Turbocharger Boost System Performance | GMC |
| 1 | P0245 | Turbo / Supercharger Wastegate Solenoid 'A' Circuit Low Voltage | Volvo |
| 1 | P0276 | Fuel Injector 6 Control Circuit Low Voltage | Ford |
| 1 | P0307 | Cylinder 7 Misfire Detected | Toyota |
| 1 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 1 | P0326 | Knock Sensor Performance | Saturn |
| 1 | P0328 | Knock Sensor Circuit High Voltage (Bank 1) | Nissan |
| 1 | P0330 | Knock Sensor 2 Circuit Malfunction | Chevrolet |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Scion |
| 1 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Jeep |
| 1 | P0353 | Ignition Coil 3 Control Circuit Malfunction | Mercury |
| 1 | P0355 | Ignition Coil 5 Control Circuit Malfunction | Mercury |
| 1 | P0356 | Ignition Coil 6 Control Circuit Malfunction | Mercury |
| 1 | P0400 | EGR System Recirculation Flow | Mercedes-Benz |
| 1 | P0403 | EGR Solenoid Control Circuit Malfunction | Volkswagen |
| 1 | P0405 | EGR Position Sensor Circuit Low Voltage | Chrysler |
| 1 | P0406 | EGR Position Sensor Circuit High Voltage | Dodge |
| 1 | P0410 | Secondary Air System Performance | Saturn |
| 1 | P0411 | Secondary AIR System Incorrect Airflow Detected | Saturn |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Ford |
| 1 | P0446 | EVAP Vent System Performance | Toyota |
| 1 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | Pontiac |
| 1 | P0460 | Fuel Level Sensing Unit No Change Over Miles | Ford |
| 1 | P0506 | Idle Speed Low | Pontiac |
| 1 | P0507 | Idle Speed High | Audi |
| 1 | P0528 | Fan Speed Sensor Circuit - No Signal | Ford |
| 1 | P0601 | Control Module Read Only Memory | Audi |
| 1 | P0603 | Control Module Long Term Memory Reset | Ford |
| 1 | P0605 | Control Module Programming Read Only Memory | Infiniti |
| 1 | P0651 | 5-Volt Reference 2 Circuit Malfunction | Saturn |
| 1 | P0678 | Glow Plug No. 8 Control Circuit Malfunction | Ford |
| 1 | P0715 | Input Speed Sensor Circuit Malfunction | Honda |
| 1 | P0725 | Engine Speed Sensor Circuit Malfunction | Jeep |
| 1 | P1014 | Exhaust Camshaft Position Actuator Park Position (Bank 2) | Volvo |
| 1 | P1093 | Fuel Rail Pressure Low During Power Enrichment | GMC |
| 1 | P1105 | MAP / BARO Switch Solenoid Malfunction | Mercury |
| 1 | P1106 | MAP Sensor Circuit Intermittent High Voltage | Chevrolet |
| 1 | P1120 | TP Sensor 1 Circuit Malfunction | Cadillac |
| 1 | P1122 | TP Sensor Circuit Intermittent Low Voltage | Pontiac |
| 1 | P1123 | Throttle Position 'A' Signal In Range (But Lower Than Expected) | Porsche |
| 1 | P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | Volvo |
| 1 | P1137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Low Voltage In Power Enrichment | Audi |
| 1 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Mazda |
| 1 | P1152 | Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance (Low) | Other European |
| 1 | P1170 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit - No Inversion | Mazda |
| 1 | P1171 | Fuel System Lean During Acceleration | Volvo |
| 1 | P1173 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction | Mazda |
| 1 | P1211 | ABS/TCS Control Unit Malfunction | Ford |
| 1 | P1212 | ABS/TCS Control Unit Malfunction | Ford |
| 1 | P1250 | Pressure Regulator Control Solenoid Circuit Malfunction | BMW |
| 1 | P1259 | VTEC System Malfunction (Bank 1) | Honda |
| 1 | P1273 | Air Fuel Sensor (Bank 1 Sensor 1) Lean Shift Monitoring | Nissan |
| 1 | P1289 | Manifold Tuning Valve Control Circuit Malfunction | Ford |
| 1 | P1297 | No Change In MAP Signal From Start To Run Transition | Audi |
| 1 | P1299 | Vacuum Leak Present With IAC Valve Fully Seated | Jeep |
| 1 | P1309 | Misfire Detection Monitor | Ford |
| 1 | P132B | Turbo boost control A performance | Ford |
| 1 | P1335 | Crankshaft Position Sensor Circuit Malfunction | Toyota |
| 1 | P1336 | CKP Sensor System Variation Not Learned | Mercury |
| 1 | P1338 | Bank 1 cam position sensor short | Jaguar |
| 1 | P1345 | Camshaft To Crankshaft Position Correlation | Chevrolet |
| 1 | P1381 | Misfire Detected - No Communication With EBCM | Acura |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Dodge |
| 1 | P1399 | Misfire any cylinder | Honda |
| 1 | P1406 | EGR Valve Pintle Position Circuit Malfunction | Buick |
| 1 | P1444 | EVAP Canister Purge Volume Control Valve Circuit Malfunction | Nissan |
| 1 | P1445 | EVAP Canister Purge Volume Control Valve Malfunction | BMW |
| 1 | P1490 | Low Speed Radiator Fan Relay Circuit Malfunction | Nissan |
| 1 | P1538 | Air Conditioning Request Circuit High Input | Volkswagen |
| 1 | P1542 | Climate Control Unit Signal Circuit High Voltage | BMW |
| 1 | P1547 | DOR Tampering Monitor (Rationality Check) | Jaguar |
| 1 | P1570 | Laser Radar Sensor Circuit Malfunction | Volkswagen |
| 1 | P1582 | Electronic Throttle Monitor Data Available | Jaguar |
| 1 | P1606 | ECM Battery Backup Circuit Malfunction | Audi |
| 1 | P1607 | PCM Internal Shutdown Timer Slow Rationality | Acura |
| 1 | P1610 | NATS Initialization Failure | Mitsubishi |
| 1 | P1612 | NATS CHAIN OF IMMU-PCM | Audi |
| 1 | P1631 | Theft Deterrent Fuel Enable Signal Not Correct | Chevrolet |
| 1 | P1635 | 5-Volt Reference 1 Circuit Malfunction | Pontiac |
| 1 | P1639 | 5-Volt Reference 'B' Circuit Malfunction | Pontiac |
| 1 | P1640 | Output Driver 1 Circuit Malfunction | Buick |
| 1 | P1659 | Electronic Throttle Control System Control Relay Off Malfunction | Honda |
| 1 | P1668 | Generator L-Terminal Control Circuit Malfunction | Ford |
| 1 | P1694 | No Communication With PCM | Dodge |
| 1 | P1698 | No CCD Messages Received From TCM | Jeep |
| 1 | P1700 | TCM Requested MIL Operation | Cadillac |
| 1 | P1703 | Brake Switch Circuit Malfunction (Self Test) | Ford |
| 1 | P1716 | Bus Communication Failure With PCM | Dodge |
| 1 | P1722 | ESTM Vehicle Speed Sensor Signal | Jaguar |
| 1 | P1725 | TCM NT Revolution Sensor Circuit Malfunction | Ford |
| 1 | P1727 | 4C Hydraulic Pressure Test | Mazda |
| 1 | P1728 | Transmission Slip Malfunction | Mazda |
| 1 | P1781 | O/D Pressure Switch Sense Circuit Malfunction | Cadillac |
| 1 | P1890 | CVT Speed Control Malfunction | Cadillac |
| 1 | P2029 | Intake Air Temperature Sensor Performance | Mercedes-Benz |
| 1 | P2101 | Control Module Throttle Actuator Position Performance | Chevrolet |
| 1 | P2106 | Electronic Throttle Control System - Forced Limited Power | Ford |
| 1 | P2115 | Accelerator Pedal Position Sensor 1 Minimum Stop Performance | Dodge |
| 1 | P2116 | Accelerator Pedal Position Sensor 2 Minimum Stop Performance | Dodge |
| 1 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | Saturn |
| 1 | P2166 | Accelerator Pedal Position Sensor 1 Maximum Stop Performance | Dodge |
| 1 | P2167 | Accelerator Pedal Position Sensor 2 Maximum Stop Performance | Dodge |
| 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 | P2241 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Pumping Current Signal Low | Toyota |
| 1 | P2269 | Water In Fuel | Ford |
| 1 | P2279 | Intake Air System Leak | Audi |
| 1 | P2287 | Injector Control Pressure Sensor Circuit Intermittent | Ford |
| 1 | P2404 | EVAP Leak Detection Pump Sense Circuit Range/Performance | Volkswagen |
| 1 | P2564 | Turbocharger Boost Control Position Sensor Low Voltage | Chevrolet |
| 1 | P3025 | Battery Block 15 Becomes Weak | Subaru |
| 1 | U1001 | Lost Communication With XXX Control Module | Nissan |
| 1 | U1016 | Serial Communications Malfunction | Chevrolet |
| 1 | U1040 | Lost Communication With Antilock Brake System Module | Chevrolet |
| 1 | U1041 | Loss of Electronic Brake Controller Communication | Lincoln |
