Diagnostic Trouble Code Index for February 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 |
| 27 | P0171 | Fuel System Lean (Bank 1) | Acura, Chevrolet, Ford, GMC, Honda, Hyundai, Mazda, Nissan, Pontiac, Saturn, Toyota |
| 25 | P0300 | Multiple Cylinder Misfire Detected | Audi, BMW, Buick, Cadillac, Checker, Chevrolet, Dodge, Ford, GMC, Jeep, Lincoln, Mercedes-Benz, Saab, Saturn, Toyota, Volkswagen |
| 15 | P0174 | Fuel System Lean (Bank 2) | Checker, Ford, GMC, Honda, Lincoln, Saturn, Toyota |
| 15 | P0304 | Cylinder 4 Misfire Detected | Acura, Audi, Chevrolet, Dodge, Ford, Honda, Lincoln, Mazda, Mercedes-Benz, Mercury, Saturn, Toyota, Volkswagen |
| 10 | P0301 | Cylinder 1 Misfire Detected | Acura, BMW, Dodge, Ford, Lincoln, Nissan, Pontiac, Toyota |
| 10 | P0340 | Camshaft Position Sensor Circuit Malfunction | BMW, Chevrolet, Chrysler, Dodge, Ford, Kia, Mazda, Toyota |
| 8 | P0101 | MAF Sensor Performance | Cadillac, Chevrolet, GMC, Isuzu, Kia, Pontiac, Scion, Volkswagen |
| 8 | P0302 | Cylinder 2 Misfire Detected | Acura, Audi, Dodge, Ford, Saturn, Toyota, Volkswagen, Volvo |
| 8 | P0303 | Cylinder 3 Misfire Detected | Chevrolet, Ford, GMC, Mercury, Pontiac, Toyota, Volkswagen, Volvo |
| 8 | P0305 | Cylinder 5 Misfire Detected | Acura, Dodge, Ford, Lincoln, Mazda, Mercedes-Benz |
| 8 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet, Dodge, Ford, Honda, Jeep, Toyota |
| 7 | P0306 | Cylinder 6 Misfire Detected | BMW, Chevrolet, Ford, Mazda, Mercedes-Benz, Saturn |
| 7 | P0507 | Idle Speed High | Cadillac, Chevrolet, Infiniti, Nissan, Oldsmobile, Saab |
| 6 | P1391 | CKP Or CMP Sensor Signal Intermittent | Chrysler, Dodge, Jeep |
| 5 | P0354 | Ignition Coil 4 Control Circuit Malfunction | Dodge, Ford, Lincoln, Volkswagen |
| 4 | P0123 | TP Sensor Circuit High Voltage | Jeep |
| 4 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Chrysler, Jeep, Volkswagen |
| 4 | P0401 | Insufficient EGR Flow Detected | Honda, Hyundai, Toyota |
| 4 | P0446 | EVAP Vent System Performance | Ford, Hyundai, Toyota |
| 4 | P0455 | EVAP System Large Leak Detected | Jeep, Kia, Nissan, Volkswagen |
| 3 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Ford, Jeep |
| 3 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Infiniti, Jeep, Toyota |
| 3 | P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage | Checker, Chevrolet, Mercedes-Benz |
| 3 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Ford, Kia, Nissan |
| 3 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Chrysler, Dodge, Volkswagen |
| 3 | P0353 | Ignition Coil 3 Control Circuit Malfunction | Chrysler, Volkswagen |
| 3 | P0355 | Ignition Coil 5 Control Circuit Malfunction | Dodge, Lincoln |
| 3 | P0440 | General EVAP System Failure | Subaru, Toyota, Volkswagen |
| 3 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Subaru, Toyota |
| 3 | P1115 | ECT Sensor Circuit Intermittent High Voltage | Kia |
| 2 | P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | Dodge, Toyota |
| 2 | P0116 | ECT Sensor Performance | Dodge, Ford |
| 2 | P0121 | TP Sensor Performance | Dodge, Scion |
| 2 | P0125 | Engine Coolant Temperature Insufficient For Closed Loop Fuel Control | Cadillac, Lexus |
| 2 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Land Rover, Mercedes-Benz |
| 2 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | Chevrolet, Mercedes-Benz |
| 2 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Dodge, Jeep |
| 2 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Dodge, Mini |
| 2 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | Mazda, Mercedes-Benz |
| 2 | P0172 | Fuel System Rich (Bank 1) | Ford, Toyota |
| 2 | P0175 | Fuel System Rich (Bank 2) | Ford, Toyota |
| 2 | P0176 | Loss Of Flexible Fuel Calibration Signal | Ford |
| 2 | P0201 | Fuel Injector 1 Control Circuit Malfunction | Dodge, Jeep |
| 2 | P0202 | Fuel Injector 2 Control Circuit Malfunction | Dodge, GMC |
| 2 | P0234 | Turbocharger Engine Overboost | Audi, Volkswagen |
| 2 | P0307 | Cylinder 7 Misfire Detected | Dodge |
| 2 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 2 | P0320 | No Crank Reference Signal To PCM | Dodge, Jeep |
| 2 | P0341 | CMP Sensor Performance | Pontiac, Volkswagen |
| 2 | P0411 | Secondary AIR System Incorrect Airflow Detected | BMW, Chevrolet |
| 2 | P0441 | EVAP Purge System Performance | Toyota, Volkswagen |
| 2 | P0442 | EVAP System Small Leak Detected | Dodge, Jeep |
| 2 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Ford, Mercedes-Benz |
| 2 | P0463 | Fuel Level Sensor High Voltage | Cadillac, Oldsmobile |
| 2 | P0505 | Idle Control System Malfunction | Honda, Nissan |
| 2 | P1106 | MAP Sensor Circuit Intermittent High Voltage | Ford, Pontiac |
| 2 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Ford |
| 2 | P1217 | Engine Over-Temperature Condition | Chevrolet |
| 2 | P1320 | Igniter 5 Circuit Malfunction | Nissan |
| 2 | P1518 | Throttle Actuator Control Module Serial Data Malfunction | Ford |
| 2 | P1623 | Code Word or Key ID Number Read/Write Error in the PCM | Hyundai, Mazda |
| 2 | P1624 | Immobilizer Communication Error | Kia |
| 2 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Chevrolet, Pontiac |
| 2 | P1811 | Maximum Adaptive And Long Term Shift | Buick, Pontiac |
| 2 | P2004 | Intake Manifold Runner Control Stuck Open | Ford, Mercedes-Benz |
| 2 | U0107 | Throttle Actuator Control Serial Data Circuit Malfunction | Chevrolet |
| 1 | B0331 | Security system controller in learn mode | Chevrolet |
| 1 | B0355 | No transponder modulation or no transponder | Chevrolet |
| 1 | B1327 | Dash Integration Module Ignition circuit Low Input | Chevrolet |
| 1 | B1440 | Ignition mismatch | Chevrolet |
| 1 | B1600 | PATS Ignition Key Transponder Signal Not Received | Ford |
| 1 | B2958 | Security system sensor data circuit high | Chevrolet |
| 1 | B2960 | Security system sensor data incorrect but valid | Chevrolet |
| 1 | B2964 | Key in Ignition Circuit High | Chevrolet |
| 1 | P0010 | Camshaft Position 'A' Actuator Circuit Malfunction (Bank 1) | Toyota |
| 1 | P0015 | Camshaft Position 'B' Over-Retarded (Bank 1) | Volvo |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Chrysler |
| 1 | P0023 | Exhaust Camshaft Position Actuator Solenoid Control Circuit (Bank 2) | Oldsmobile |
| 1 | P0046 | Turbocharger Boost Control Circuit Performance | Ford |
| 1 | P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage | Dodge |
| 1 | P0057 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Low Voltage | Nissan |
| 1 | P0068 | Throttle Body Airflow Performance | Pontiac |
| 1 | P0071 | Ambient Air Temperature Sensor Performance | Dodge |
| 1 | P0100 | Mass Airflow Sensor Circuit Malfunction | Mercedes-Benz |
| 1 | P0102 | MAF Sensor Circuit Low Frequency | Audi |
| 1 | P0104 | Mass Airflow Sensor Circuit Intermittent | Ford |
| 1 | P0105 | MAP Sensor Performance | Chevrolet |
| 1 | P0106 | MAP Sensor Performance | Chevrolet |
| 1 | P0107 | MAP Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Jeep |
| 1 | P0113 | IAT Sensor Circuit High Voltage | Ford |
| 1 | P0117 | ECT Sensor Circuit Low Voltage | Cadillac |
| 1 | P0118 | ECT Sensor Circuit High Voltage | Volkswagen |
| 1 | P0122 | TP Sensor Circuit Low Voltage | Jeep |
| 1 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Hyundai |
| 1 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Chevrolet |
| 1 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Chevrolet |
| 1 | P0150 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction | GMC |
| 1 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Ford |
| 1 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Chevrolet |
| 1 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | Mercedes-Benz |
| 1 | P0178 | Fuel Composition Sensor Low Frequency | Chevrolet |
| 1 | P0190 | Fuel Rail Pressure Sensor Circuit Malfunction | Mercury |
| 1 | P0192 | Fuel Rail Pressure Sensor Circuit Low Voltage | Ford |
| 1 | P0203 | Fuel Injector 3 Control Circuit Malfunction | Dodge |
| 1 | P0207 | Fuel Injector 7 Control Circuit Malfunction | Dodge |
| 1 | P0216 | Injection Timing Control Circuit Malfunction | Chevrolet |
| 1 | P0222 | Throttle Position Sensor 2 Circuit Low Voltage | Chevrolet |
| 1 | P0230 | Fuel Pump Relay Control Circuit Malfunction | Chevrolet |
| 1 | P0231 | Fuel Pump Feedback Circuit Low Voltage | Ford |
| 1 | P0284 | Cylinder 8 Balance System Malfunction | Ford |
| 1 | P0308 | Cylinder 8 Misfire Detected | Ford |
| 1 | P0325 | Knock Sensor Circuit Malfunction | Subaru |
| 1 | P0334 | Knock Sensor 2 Circuit Malfunction | Hyundai |
| 1 | P0336 | Crankshaft Position Sensor Performance | GMC |
| 1 | P0346 | Intake Camshaft Position Sensor Performance (Bank 2) | Jaguar |
| 1 | P0356 | Ignition Coil 6 Control Circuit Malfunction | Lincoln |
| 1 | P0358 | Ignition Coil 8 Control Circuit Malfunction | Lincoln |
| 1 | P0400 | EGR System Recirculation Flow | Mercedes-Benz |
| 1 | P0447 | EVAP Canister Vent Control Valve Open | Saturn |
| 1 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | Kia |
| 1 | P0453 | Fuel Tank Pressure Sensor Circuit High Voltage | Ford |
| 1 | P0460 | Fuel Level Sensing Unit No Change Over Miles | Ford |
| 1 | P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) | Volkswagen |
| 1 | P0477 | Low Voltage On Engine Brake Driver | Nissan |
| 1 | P0506 | Idle Speed Low | Saturn |
| 1 | P0513 | Invalid SKIM Key Detected | Mitsubishi |
| 1 | P0560 | System Voltage Malfunction | Oldsmobile |
| 1 | P0599 | manufacture specific | BMW |
| 1 | P0603 | Control Module Long Term Memory Reset | Ford |
| 1 | P0606 | Control Module Internal Performance | Toyota |
| 1 | P061B | Internal Control Module Torque Calculation Performance | Mercury |
| 1 | P0622 | Generator F-Terminal Circuit Malfunction | Dodge |
| 1 | P0652 | Sensor Reference Voltage 2 Circuit Low | Dodge |
| 1 | P0670 | Glow Plug Control Module Control Circuit Malfunction | Ford |
| 1 | P0673 | Glow Plug No. 3 Control Circuit Malfunction | Volkswagen |
| 1 | P0734 | Gear Ratio Error In Fourth | Ford |
| 1 | P0741 | TCC System - Stuck Off | Kia |
| 1 | P1009 | Variable Valve Timing Control Advance Malfunction | Honda |
| 1 | P1100 | Starter Switch Circuit Low Input | Ford |
| 1 | P1101 | Intake Airflow System Performance | Subaru |
| 1 | P1105 | MAP / BARO Switch Solenoid Malfunction | Ford |
| 1 | P1110 | Atmospheric Pressure Sensor Low Voltage | Nissan |
| 1 | P1118 | Electronic Throttle System Motor Circuit Malfunction | Audi |
| 1 | P1121 | TP Sensor Circuit Intermittent High Voltage | Subaru |
| 1 | P1129 | MAP Sensor Value Higher Than Expected | Honda |
| 1 | P1131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean | Ford |
| 1 | P1132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Rich | Ford |
| 1 | P1135 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Nissan |
| 1 | P1136 | Intake Valve Timing Control Circuit Malfunction (Bank 2) | Audi |
| 1 | P1152 | Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance (Low) | Ford |
| 1 | P1157 | Air Fuel Sensor (Bank 1 Sensor 1) AFS Line High Voltage | Honda |
| 1 | P1164 | Heated Oxygen Sensor (Bank 2 Sensor 1) Rich Shift Monitoring (Bank 2) | Honda |
| 1 | P1189 | Engine Oil Pressure Switch Circuit Malfunction | Chevrolet |
| 1 | P1212 | ABS/TCS Control Unit Malfunction | Nissan |
| 1 | P1214 | Injection Pump Timing Offset | Chevrolet |
| 1 | P1216 | Fuel Solenoid Response Time Too Short | Chevrolet |
| 1 | P1237 | Fuel Pump Secondary Circuit Malfunction | Ford |
| 1 | P1259 | VTEC System Malfunction (Bank 1) | Honda |
| 1 | P1273 | Air Fuel Sensor (Bank 1 Sensor 1) Lean Shift Monitoring | Nissan |
| 1 | P1294 | Target Idle Speed Not Reached | Dodge |
| 1 | P1309 | Misfire Detection Monitor | Ford |
| 1 | P132B | Turbo boost control A performance | Ford |
| 1 | P1336 | CKP Sensor System Variation Not Learned | Pontiac |
| 1 | P1340 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Volkswagen |
| 1 | P1383 | Variable Cam Timing Over-Retarded (Cylinder Bank 1) | Ford |
| 1 | P1400 | Cold Start Emission Reduction Control System | Nissan |
| 1 | P1401 | EGR Temperature Sensor Circuit Malfunction | Ford |
| 1 | P1404 | EGR Valve Closed Position Performance | Daewoo |
| 1 | P1406 | EGR Valve Pintle Position Circuit Malfunction | Ford |
| 1 | P1408 | EGR Flow Out Of Self-Test Range | Lincoln |
| 1 | P1412 | EGR Vacuum Regulator Solenoid Circuit Malfunction | Land Rover |
| 1 | P1421 | Cold Start Emission Reduction Strategy Monitoring | Audi |
| 1 | P1425 | EVAP System Leak Detection Pump Flow High/Low | Audi |
| 1 | P1441 | EVAP System Flow During Non-Purge Conditions | Nissan |
| 1 | P1442 | EVAP Vacuum Switch Circuit Malfunction | Toyota |
| 1 | P1468 | EVAP Canister purge solenoid valve short to ground | Audi |
| 1 | P1473 | Fan Secondary High with Fan(s) Off (Self Test) | Audi |
| 1 | P1512 | Control Module Throttle Actuator Position Performance | Mazda |
| 1 | P1540 | Air Conditioning Refrigerant Over-Pressure - Air Conditioning Disabled | Subaru |
| 1 | P1596 | Speed Control Switch Continuous High Voltage | Jeep |
| 1 | P1601 | PCM Serial Communications Malfunction | Jaguar |
| 1 | P1602 | Powertrain Control Module Not Programmed | Pontiac |
| 1 | P1603 | PCM Internal Shutdown Timer Rationality | Mazda |
| 1 | P1604 | PCM Internal Dual-Port Ram Read/Write Integrity Failure | Mazda |
| 1 | P1630 | Theft Deterrent Learn Mode Active | Buick |
| 1 | P1643 | Wait To Start Lamp Control Circuit Malfunction | Jaguar |
| 1 | P1650 | Output Driver 2 Circuit Malfunction | Mazda |
| 1 | P1670 | Output Driver 4 Voltage High Voltage | Ford |
| 1 | P1693 | Transponder No Response Error / Invalid Response | Dodge |
| 1 | P1747 | EPC Solenoid Circuit Malfunction | Ford |
| 1 | P1810 | TFP Valve Position Switch Assembly | Chevrolet |
| 1 | P2068 | Secondary Fuel Level Sensor Circuit High Voltage | Chevrolet |
| 1 | P2074 | Manifold Pressure/Throttle Position Correlation - High Flow/Vacuum Leak | Chrysler |
| 1 | P2075 | Intake Manifold Tuning Valve Monitor Circuit Malfunction | Mercedes-Benz |
| 1 | P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) | Mini |
| 1 | P2100 | Electronic Throttle Control Motor Circuit / Open (Bank 1) | Hyundai |
| 1 | P2101 | Control Module Throttle Actuator Position Performance | Nissan |
| 1 | P2103 | Throttle Actuator Control Motor Circuit High Input | Pontiac |
| 1 | P2108 | Electronic Throttle Control Module Performance | Nissan |
| 1 | P2135 | Throttle Position Sensor 1-2 Correlation Error | Ford |
| 1 | P2149 | Injector Positive Voltage Relay Circuit Group 2 (Injectors 6 & 7) | GMC |
| 1 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Hyundai |
| 1 | P2188 | Fuel Trim System Rich At Idle (Bank 1) | Volvo |
| 1 | P2189 | Fuel Trim System Lean At Idle (Bank 2) | Hyundai |
| 1 | P2227 | BARO Sensor Performance | Chevrolet |
| 1 | P2228 | BARO Sensor Circuit Low Voltage | Chevrolet |
| 1 | P2270 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Lean | Mini |
| 1 | P2291 | Injector Control Pressure Too Low - Engine Cranking | Ford |
| 1 | P2302 | Ignition Coil 1 Secondary Circuit Insufficient Ionization | Dodge |
| 1 | P2305 | Ignition Coil 2 Secondary Circuit Insufficient Ionization | Chrysler |
| 1 | P2617 | Crankshaft Position Signal Output Circuit Malfunction | Ford |
| 1 | P3103 | No description | Volkswagen |
| 1 | P7073 | 2-3 shift solenoid | Ford |
| 1 | U0105 | Lost Communication With FICM | Ford |
| 1 | U0106 | lost communication with glow plug control module | Chevrolet |
| 1 | U1001 | Lost Communication With XXX Control Module | Nissan |
| 1 | U1040 | Lost Communication With Antilock Brake System Module | Buick |
