Diagnostic Trouble Code Index for October 2010
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 |
| 34 | P0300 | Multiple Cylinder Misfire Detected | Audi, Buick, Chevrolet, Chrysler, Dodge, Ford, GMC, Kia, Lexus, Mazda, Mercedes-Benz, Oldsmobile, Pontiac, Saab, Toyota, Volkswagen |
| 14 | P0303 | Cylinder 3 Misfire Detected | Audi, Chevrolet, Chrysler, Ford, Land Rover, Mazda, Mercedes-Benz, Subaru, Volkswagen, Volvo |
| 13 | P0301 | Cylinder 1 Misfire Detected | Audi, Dodge, Ford, Land Rover, Mazda, Subaru, Toyota, Volkswagen |
| 12 | P0171 | Fuel System Lean (Bank 1) | BMW, Chevrolet, Chrysler, Ford, Land Rover, Mercury, Nissan |
| 11 | P0302 | Cylinder 2 Misfire Detected | Acura, Audi, Chrysler, Dodge, Ford, Kia, Mazda, Subaru, Volkswagen |
| 9 | P0304 | Cylinder 4 Misfire Detected | Acura, Chevrolet, Chrysler, Ford, Kia, Saturn, Subaru, Volkswagen |
| 8 | P0174 | Fuel System Lean (Bank 2) | BMW, Chevrolet, Ford, Mazda, Mercury |
| 6 | P0172 | Fuel System Rich (Bank 1) | Buick, Chrysler, Ford, Hyundai, Mercedes-Benz, Nissan |
| 6 | P0341 | CMP Sensor Performance | Audi, Chevrolet, Ford, Volkswagen |
| 5 | P0305 | Cylinder 5 Misfire Detected | Chevrolet, Chrysler, Dodge, Jeep |
| 5 | P0306 | Cylinder 6 Misfire Detected | Cadillac, Chevrolet, Mazda, Mercedes-Benz, Saab |
| 5 | P0325 | Knock Sensor Circuit Malfunction | Chevrolet, Jeep, Nissan, Subaru |
| 5 | P0340 | Camshaft Position Sensor Circuit Malfunction | Ford, Lincoln, Mazda |
| 4 | P0232 | Fuel Pump Feedback Circuit High Voltage | Ford |
| 4 | P0455 | EVAP System Large Leak Detected | Dodge, Jeep, Mercedes-Benz, Volvo |
| 3 | P0102 | MAF Sensor Circuit Low Frequency | Ford, Land Rover, Porsche |
| 3 | P0261 | Fuel Injector 1 Control Circuit Low Voltage | Ford, Subaru |
| 3 | P0336 | Crankshaft Position Sensor Performance | Chevrolet, Ford, Pontiac |
| 3 | P0401 | Insufficient EGR Flow Detected | Chevrolet, Ford |
| 3 | P0441 | EVAP Purge System Performance | Chrysler, Toyota |
| 2 | P0018 | Crankshaft Position - Intake Camshaft Position Correlation (Bank 2) | Kia, Mercury |
| 2 | P0068 | Throttle Body Airflow Performance | Ford |
| 2 | P0116 | ECT Sensor Performance | Dodge, Toyota |
| 2 | P0122 | TP Sensor Circuit Low Voltage | Chevrolet, Ford |
| 2 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | BMW, Subaru |
| 2 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Chevrolet, Jeep |
| 2 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Jeep |
| 2 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | BMW, Subaru |
| 2 | P0140 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity | Cadillac, Kia |
| 2 | P0175 | Fuel System Rich (Bank 2) | Hyundai, Infiniti |
| 2 | P0231 | Fuel Pump Feedback Circuit Low Voltage | Ford |
| 2 | P0234 | Turbocharger Engine Overboost | Jeep |
| 2 | P0264 | Fuel Injector 2 Control Circuit Low Voltage | Ford, Subaru |
| 2 | P0267 | Fuel Injector 3 Control Circuit Low Voltage | Ford |
| 2 | P0270 | Fuel Injector 4 Control Circuit Low Voltage | Ford |
| 2 | P0273 | Fuel Injector 5 Control Circuit Low Voltage | Ford |
| 2 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Chevrolet, Infiniti |
| 2 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Ford, Jeep |
| 2 | P0404 | EGR Open Position Performance | Chevrolet, Saturn |
| 2 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Nissan, Toyota |
| 2 | P0440 | General EVAP System Failure | Pontiac |
| 2 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Cadillac, Chrysler |
| 2 | P0446 | EVAP Vent System Performance | Toyota |
| 2 | P0449 | EVAP Vent Solenoid Control Circuit Malfunction | GMC, Pontiac |
| 2 | P0501 | Vehicle Speed Sensor 1 Performance | Hyundai, Kia |
| 2 | P0505 | Idle Control System Malfunction | Chrysler, Nissan |
| 2 | P0521 | Engine Oil Pressure Sensor Performance | Cadillac, Honda |
| 2 | P1100 | Starter Switch Circuit Low Input | Ford, Subaru |
| 2 | P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching | Chevrolet, Lexus |
| 2 | P1300 | Igniter 1 Circuit Malfunction | Lexus |
| 2 | P1305 | Igniter 2 Circuit Malfunction | Lexus |
| 2 | P1310 | Igniter 3 Circuit Malfunction | Lexus |
| 2 | P1315 | Igniter 4 Circuit Malfunction | Lexus |
| 2 | P1320 | Igniter 5 Circuit Malfunction | Lexus |
| 2 | P1325 | Igniter 6 Circuit Malfunction | Lexus |
| 2 | P1472 | Evap leak detection pump short to ground | Land Rover, Volkswagen |
| 2 | P1495 | Leak Detection Pump Solenoid Circuit Malfunction | Dodge |
| 2 | P1602 | Powertrain Control Module Not Programmed | Cadillac, Dodge |
| 2 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Cadillac, GMC |
| 2 | P1686 | No SKIM Bus Messages Received | Jeep |
| 2 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | Ford, Nissan |
| 2 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Cadillac, Nissan |
| 2 | P2291 | Injector Control Pressure Too Low - Engine Cranking | Ford |
| 1 | B2799 | Engine Immobilizer System Malfunction | Toyota |
| 1 | C1259 | HV control system regen. malfunction | Toyota |
| 1 | C1310 | can communication code | Toyota |
| 1 | P0021 | Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2) | Mercury |
| 1 | P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction | Cadillac |
| 1 | P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | Jeep |
| 1 | P0046 | Turbocharger Boost Control Circuit Performance | Chevrolet |
| 1 | P0087 | Fuel Rail Pressure Too Low | Fiat |
| 1 | P0088 | Fuel Rail Pressure Too High | Ford |
| 1 | P0089 | Fuel Pressure Regulator Performance | Volvo |
| 1 | P0100 | Mass Airflow Sensor Circuit Malfunction | Nissan |
| 1 | P0101 | MAF Sensor Performance | Chevrolet |
| 1 | P0105 | MAP Sensor Performance | Chevrolet |
| 1 | P0107 | MAP Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Chrysler |
| 1 | P0120 | TP Sensor 1 Signal Circuit Malfunction | Lexus |
| 1 | P0125 | Engine Coolant Temperature Insufficient For Closed Loop Fuel Control | Lexus |
| 1 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Jeep |
| 1 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Chevrolet |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Dodge |
| 1 | P013A | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response - Rich To Lean | Jeep |
| 1 | P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage | Honda |
| 1 | P0154 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity | Honda |
| 1 | P0156 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Malfunction | BMW |
| 1 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | BMW |
| 1 | P0190 | Fuel Rail Pressure Sensor Circuit Malfunction | Ford |
| 1 | P0191 | Fuel Rail Pressure Sensor Performance | Ford |
| 1 | P0193 | Fuel Rail Pressure Sensor Circuit High Voltage | Ford |
| 1 | P0196 | Engine Oil Temperature Sensor Performance | Ford |
| 1 | P0197 | Engine Oil Temperature Sensor Circuit Low | Porsche |
| 1 | P0201 | Fuel Injector 1 Control Circuit Malfunction | Volvo |
| 1 | P0206 | Fuel Injector 6 Control Circuit Malfunction | Cadillac |
| 1 | P0216 | Injection Timing Control Circuit Malfunction | Dodge |
| 1 | P0265 | Fuel Injector 2 Control Circuit High Voltage | Subaru |
| 1 | P0272 | Cylinder 4 Balance System Malfunction | Ford |
| 1 | P0276 | Fuel Injector 6 Control Circuit Low Voltage | Ford |
| 1 | P0279 | Cylinder 7 Injector Circuit Low | Ford |
| 1 | P0282 | Cylinder 8 Injector Circuit Low | Ford |
| 1 | P0290 | Injection pressure low | Ford |
| 1 | P0299 | Turbocharger Engine Underboost | Ford |
| 1 | P0307 | Cylinder 7 Misfire Detected | Ford |
| 1 | P0313 | Misfire Detected With Low Fuel | BMW |
| 1 | P0316 | Misfire Occurred In First 1,000 Revolutions | Mazda |
| 1 | P0320 | No Crank Reference Signal To PCM | Ford |
| 1 | P0321 | Crankshaft Position Sensor Circuit Range/Performance | Volkswagen |
| 1 | P0322 | Crankshaft Position Sensor Circuit No Signal | Volkswagen |
| 1 | P0326 | Knock Sensor Performance | Saturn |
| 1 | P0345 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Nissan |
| 1 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Jeep |
| 1 | P0353 | Ignition Coil 3 Control Circuit Malfunction | Jeep |
| 1 | P0364 | Camshaft position sensor B bank1 G300 | Audi |
| 1 | P0380 | Glow Plug Feedback Circuit | Ford |
| 1 | P0400 | EGR System Recirculation Flow | Chevrolet |
| 1 | P0405 | EGR Position Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0406 | EGR Position Sensor Circuit High Voltage | Ford |
| 1 | P0410 | Secondary Air System Performance | Chevrolet |
| 1 | P0411 | Secondary AIR System Incorrect Airflow Detected | BMW |
| 1 | P0418 | Secondary Air System Pump Relay Control Circuit Malfunction (Bank 1) | Chevrolet |
| 1 | P0421 | Warmup Catalyst Efficiency Low (Bank 1) | Mazda |
| 1 | P0422 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Toyota |
| 1 | P0442 | EVAP System Small Leak Detected | Jeep |
| 1 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | BMW |
| 1 | P0456 | EVAP System Very Small Leak Detected | Dodge |
| 1 | P0463 | Fuel Level Sensor High Voltage | Chevrolet |
| 1 | P0470 | Exhaust Backpressure Sensor Circuit Malfunction | Ford |
| 1 | P0480 | Cooling Fan Relay 1 Control Circuit Malfunction | Saturn |
| 1 | P0496 | EVAP Canister Purge System High Purge Flow | Pontiac |
| 1 | P0506 | Idle Speed Low | Porsche |
| 1 | P0507 | Idle Speed High | Volkswagen |
| 1 | P0523 | Engine Oil Pressure Sensor Circuit High Voltage | Cadillac |
| 1 | P0541 | Low Voltage At Intake Air Heater Relay 1 | Ford |
| 1 | P0550 | Power Steering Pressure Sensor Circuit Malfunction | Nissan |
| 1 | P0605 | Control Module Programming Read Only Memory | Audi |
| 1 | P0606 | Control Module Internal Performance | Mercury |
| 1 | P0611 | Fuel Injector Control Module Performance | Ford |
| 1 | P0633 | SKIM Key Not Programmed In PCM | Chrysler |
| 1 | P0643 | Sensor Reference Voltage 1 Circuit High | Nissan |
| 1 | P0645 | A/C Clutch Relay Circuit Malfunction | Dodge |
| 1 | P0705 | Transaxle Range Switch Circuit Malfunction | Ford |
| 1 | P0A0F | Engine Failed To Start | Toyota |
| 1 | P0A1D | Hybrid Powertrain Control Module | Toyota |
| 1 | P0A93 | Inverter Cooling System Performance | Toyota |
| 1 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 1 | P1065 | PCM Backup Circuit Malfunction | Nissan |
| 1 | P1083 | Bank 1 Lean | BMW |
| 1 | P1085 | EVAP System - Large Leak | BMW |
| 1 | P1093 | Fuel Rail Pressure Low During Power Enrichment | Chevrolet |
| 1 | P1120 | TP Sensor 1 Circuit Malfunction | Ford |
| 1 | P1127 | ETCS Actuator Power Source Circuit Malfunction | Porsche |
| 1 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Porsche |
| 1 | P1129 | MAP Sensor Value Higher Than Expected | Porsche |
| 1 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Porsche |
| 1 | P1132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Rich | Ford |
| 1 | P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | Chevrolet |
| 1 | P1134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Transition Time Ratio | Chevrolet |
| 1 | P1135 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Lexus |
| 1 | P1141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Input | Cadillac |
| 1 | P1155 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Lexus |
| 1 | P1157 | Air Fuel Sensor (Bank 1 Sensor 1) AFS Line High Voltage | Ford |
| 1 | P1171 | Fuel System Lean During Acceleration | Volkswagen |
| 1 | P1189 | Engine Oil Pressure Switch Circuit Malfunction | Chevrolet |
| 1 | P1200 | Fuel Injector Circuit Malfunction | Volkswagen |
| 1 | P1225 | Closed Throttle Learning Position Performance | Volkswagen |
| 1 | P1229 | Accelerator Pedal Position Sensor 2 Power Circuit Short | Jaguar |
| 1 | P1233 | Fuel System Disabled Or Offline | Ford |
| 1 | P1246 | Generator Load Input | Ford |
| 1 | P1272 | Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity | Ford |
| 1 | P1282 | Fuel Pump Relay Control Circuit Malfunction | Jeep |
| 1 | P1293 | High Side Bank No. 1 (Right) Open | Ford |
| 1 | P1294 | Target Idle Speed Not Reached | Ford |
| 1 | P1340 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Honda |
| 1 | P1345 | Camshaft To Crankshaft Position Correlation | Chevrolet |
| 1 | P1349 | Variable Valve Timing System (Bank 1) | BMW |
| 1 | P1361 | ICM Ignition Control Circuit Low Voltage | Honda |
| 1 | P1380 | Misfire Detected, Rough Road Data Not Available | Mercury |
| 1 | P1381 | Misfire Detected - No Communication With EBCM | Honda |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Dodge |
| 1 | P1400 | Cold Start Emission Reduction Control System | Ford |
| 1 | P1401 | EGR Temperature Sensor Circuit Malfunction | Ford |
| 1 | P1404 | EGR Valve Closed Position Performance | Saturn |
| 1 | P1407 | EGR Flow Out Of Self-Test Range | Mercury |
| 1 | P1408 | EGR Flow Out Of Self-Test Range | Ford |
| 1 | P1420 | EVAP Vent Valve Stuck Open/Closed | Volkswagen |
| 1 | P1449 | Canister Drive Cut Valve Circuit Malfunction | BMW |
| 1 | P1456 | EVAP System Leak Detected (Fuel Tank Area) | Honda |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 1 | P1470 | boost pressure solinoid open or shortedto ground | Land Rover |
| 1 | P1471 | Manufacturer Code | Land Rover |
| 1 | P1477 | Medium Fan Control Primary Circuit Malfunction | Land Rover |
| 1 | P1490 | Low Speed Radiator Fan Relay Circuit Malfunction | Dodge |
| 1 | P1492 | Battery Temperature Sensor Circuit High Voltage | Dodge |
| 1 | P1516 | TAC Module Throttle Actuator Position Performance | Chevrolet |
| 1 | P1542 | Climate Control Unit Signal Circuit High Voltage | Volkswagen |
| 1 | P1545 | Air Conditioning Clutch Relay Control Circuit Malfunction | Volkswagen |
| 1 | P1568 | Battery Cell Temperature Signal Circuit Problem | Volkswagen |
| 1 | P1570 | Laser Radar Sensor Circuit Malfunction | Audi |
| 1 | P1577 | IMM Control Module EEPROM | Saab |
| 1 | P1579 | P/N To D/R At High TP Angle - Power Reduction Mode On | Volkswagen |
| 1 | P1582 | Electronic Throttle Monitor Data Available | Jaguar |
| 1 | P1604 | PCM Internal Dual-Port Ram Read/Write Integrity Failure | Cadillac |
| 1 | P1610 | NATS Initialization Failure | Cadillac |
| 1 | P1611 | NATS ID DISCORD, IMM-PCM | Cadillac |
| 1 | P1635 | 5-Volt Reference 1 Circuit Malfunction | Ford |
| 1 | P1639 | 5-Volt Reference 'B' Circuit Malfunction | Volkswagen |
| 1 | P1643 | Wait To Start Lamp Control Circuit Malfunction | Volkswagen |
| 1 | P1670 | Output Driver 4 Voltage High Voltage | Ford |
| 1 | P1687 | No Communication With MIC | Jeep |
| 1 | P1689 | Traction Control Delivered Torque Output Circuit Malfunction | Dodge |
| 1 | P1698 | No CCD Messages Received From TCM | Plymouth |
| 1 | P1775 | Solenoid Switch Latched In TCC Position | Mazda |
| 1 | P1776 | Solenoid Switch Latched In Low/Reverse Position | Mazda |
| 1 | P2004 | Intake Manifold Runner Control Stuck Open | Mercedes-Benz |
| 1 | P2006 | Intake Manifold Runner Control Stuck Closed | Audi |
| 1 | P2035 | Turbo boost pressure sensor at fault | Volvo |
| 1 | P2036 | Oxygen Sensor Circuit Calibration Value Too High Or Too Low | Volvo |
| 1 | P2074 | Manifold Pressure/Throttle Position Correlation - High Flow/Vacuum Leak | Chrysler |
| 1 | P2082 | Differential Pressure Sensor Defective Hose | Mercedes-Benz |
| 1 | P2105 | Throttle Actuator Control System - Forced Engine Shutdown | Mercury |
| 1 | P2106 | Electronic Throttle Control System - Forced Limited Power | Mercury |
| 1 | P2127 | Accelerator Pedal Position Sensor 2 Circuit Low Voltage | Ford |
| 1 | P2132 | Accelerator Pedal Position Sensor 3 Circuit Low Voltage | Ford |
| 1 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Volkswagen |
| 1 | P2196 | Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck Rich | Ford |
| 1 | P2238 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Pumping Current Signal Low | Lexus |
| 1 | P2241 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Pumping Current Signal Low | Lexus |
| 1 | P2262 | Turbo/Super Charger Boost Pressure Not Detected - Mechanical | Ford |
| 1 | P2279 | Intake Air System Leak | Volkswagen |
| 1 | P2363 | Injection pressure regulator open | Ford |
| 1 | P2543 | Injector Wiring Shorted Circuit | Audi |
| 1 | P2563 | Turbocharger Boost Control Position Sensor Performance | Chevrolet |
| 1 | P2614 | Camshaft Position Output Circuit Malfunction | Ford |
| 1 | P2617 | Crankshaft Position Signal Output Circuit Malfunction | Ford |
| 1 | P440A | Evap Emiussions System only Alldata description | Chevrolet |
| 1 | U0111 | IMA-CAN Malfunction (BCM Module - MCM) | Toyota |
| 1 | U0121 | Lost Communication With Antilock Brake System Module | Toyota |
| 1 | U0293 | Lost Communication With HV/ECU | Toyota |
| 1 | U1000 | Class 2 Communication Malfunction | Chevrolet |
| 1 | U1041 | Loss of Electronic Brake Controller Communication | Chevrolet |
| 1 | U1262 | Data Circuit Malfunction | Ford |
