Diagnostic Trouble Code Index for May 2011
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 |
| 32 | P0300 | Multiple Cylinder Misfire Detected | BMW, Buick, Chevrolet, Dodge, Ford, GMC, Honda, Hummer, Jaguar, Kia, Lexus, Mazda, Pontiac, Saab, Toyota, Volkswagen |
| 14 | P0304 | Cylinder 4 Misfire Detected | Audi, Dodge, Ford, GMC, Honda, Jeep, Kia, Lincoln, Pontiac, Volkswagen |
| 12 | P0171 | Fuel System Lean (Bank 1) | Chevrolet, Ford, Land Rover, Mazda, Mercedes-Benz, Mercury, Toyota |
| 11 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Ford, Jaguar, Land Rover, Mercedes-Benz, Mercury |
| 11 | P0301 | Cylinder 1 Misfire Detected | BMW, Chevrolet, Honda, Jaguar, Mercury, Toyota, Volkswagen |
| 11 | P0303 | Cylinder 3 Misfire Detected | Alfa Romeo, BMW, Chevrolet, Ford, Honda, Jaguar, Mazda, Toyota, Volkswagen, Volvo |
| 8 | P0172 | Fuel System Rich (Bank 1) | Chevrolet, Ford, Land Rover, Lincoln, Mazda, Nissan, Saturn |
| 8 | P0302 | Cylinder 2 Misfire Detected | BMW, GMC, Honda, Jaguar, Volkswagen |
| 8 | P0306 | Cylinder 6 Misfire Detected | BMW, Dodge, Ford, Kia, Mazda, Mercedes-Benz, Toyota |
| 7 | P0305 | Cylinder 5 Misfire Detected | BMW, Dodge, GMC, Honda, Mercury, Toyota |
| 5 | P0340 | Camshaft Position Sensor Circuit Malfunction | Chrysler, Ford, Nissan |
| 5 | P0507 | Idle Speed High | Chevrolet, Dodge, Nissan |
| 4 | P0102 | MAF Sensor Circuit Low Frequency | BMW, Ford, Nissan, Volkswagen |
| 4 | P0344 | Camshaft Position Sensor Signal Intermittent | Chrysler, Dodge, Ford |
| 4 | P0401 | Insufficient EGR Flow Detected | Buick, Honda, Mazda, Mitsubishi |
| 4 | U1000 | Class 2 Communication Malfunction | Chevrolet, GMC |
| 3 | P0113 | IAT Sensor Circuit High Voltage | Ford, Nissan, Volkswagen |
| 3 | P0122 | TP Sensor Circuit Low Voltage | Chevrolet, Pontiac |
| 3 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Chevrolet, Honda, Jeep |
| 3 | P0191 | Fuel Rail Pressure Sensor Performance | Ford, Jaguar, Volkswagen |
| 3 | P0341 | CMP Sensor Performance | Chevrolet, Volkswagen |
| 3 | P0345 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Ford |
| 3 | P0455 | EVAP System Large Leak Detected | Ford, Hyundai, Mercedes-Benz |
| 3 | P1171 | Fuel System Lean During Acceleration | Saab, Volkswagen |
| 3 | P1516 | TAC Module Throttle Actuator Position Performance | Chevrolet |
| 3 | P2135 | Throttle Position Sensor 1-2 Correlation Error | , Chevrolet, Dodge |
| 3 | U1016 | Serial Communications Malfunction | Chevrolet, GMC, Pontiac |
| 2 | P0011 | Intake Camshaft Position System Performance | Honda, Volkswagen |
| 2 | P0088 | Fuel Rail Pressure Too High | Ford |
| 2 | P0101 | MAF Sensor Performance | Chevrolet, Isuzu |
| 2 | P0103 | MAF Sensor Circuit High Frequency | Ford |
| 2 | P0121 | TP Sensor Performance | Chevrolet, Suzuki |
| 2 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Chevrolet, Volvo |
| 2 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Chevrolet, Dodge |
| 2 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Ford, Jeep |
| 2 | P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage | Chevrolet, Dodge |
| 2 | P0175 | Fuel System Rich (Bank 2) | Ford, Land Rover |
| 2 | P0307 | Cylinder 7 Misfire Detected | Jaguar, Land Rover |
| 2 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford, Land Rover |
| 2 | P0325 | Knock Sensor Circuit Malfunction | Mercury, Toyota |
| 2 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Kia, Nissan |
| 2 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Jeep, Volkswagen |
| 2 | P0353 | Ignition Coil 3 Control Circuit Malfunction | Jeep, Lincoln |
| 2 | P0380 | Glow Plug Feedback Circuit | Chevrolet, Mercedes-Benz |
| 2 | P0403 | EGR Solenoid Control Circuit Malfunction | Chrysler |
| 2 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet, Pontiac |
| 2 | P0441 | EVAP Purge System Performance | Honda, Toyota |
| 2 | P0442 | EVAP System Small Leak Detected | Dodge, Suzuki |
| 2 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Chevrolet, Ford |
| 2 | P0449 | EVAP Vent Solenoid Control Circuit Malfunction | Buick, Chevrolet |
| 2 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | Dodge, GMC |
| 2 | P0480 | Cooling Fan Relay 1 Control Circuit Malfunction | Chevrolet, Dodge |
| 2 | P0505 | Idle Control System Malfunction | Infiniti, Toyota |
| 2 | P0725 | Engine Speed Sensor Circuit Malfunction | Mazda, Nissan |
| 2 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Audi, Dodge |
| 2 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Audi, Toyota |
| 2 | P1297 | No Change In MAP Signal From Start To Run Transition | Volkswagen |
| 2 | P1316 | Spark Plug Detection Module Circuit Malfunction (Bank 2) | Ford, Jaguar |
| 2 | P1320 | Igniter 5 Circuit Malfunction | Infiniti, Nissan |
| 2 | P1602 | Powertrain Control Module Not Programmed | Toyota, Volkswagen |
| 2 | P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) | Dodge, Mini |
| 2 | P2106 | Electronic Throttle Control System - Forced Limited Power | Ford, Hyundai |
| 2 | P2197 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Lean" | Ford |
| 2 | P2291 | Injector Control Pressure Too Low - Engine Cranking | Ford |
| 1 | B1352 | Ignition key-in circuit failure | Lincoln |
| 1 | B1359 | ign run/accessories circuit failure-Gem code | Ford |
| 1 | B1420 | device voltage fault | GMC |
| 1 | B1446 | Windshield Wiper Park | Ford |
| 1 | B1473 | Wiper Low Speed | Ford |
| 1 | B1869 | Airbag warning indicator lamp circuit open | Lincoln |
| 1 | B2618 | Pass. compartment circuit dimming circuit high | Chevrolet |
| 1 | B2655 | Pass. compartment dimming circuit high | Chevrolet |
| 1 | B2796 | No Communication With The Immobilizer System | Toyota |
| 1 | B2960 | Security system sensor data incorrect but valid | Chevrolet |
| 1 | B3033 | Security system indicates tamper | Chevrolet |
| 1 | B3055 | no transpnder | Chevrolet |
| 1 | B3935 | Transponder Authentication Error | Chevrolet |
| 1 | C0242 | PCM indicated Traction Control System malfunction | Pontiac |
| 1 | C0561 | abs system disabled | Chevrolet |
| 1 | C1284 | Oil pressure switch Fault | Ford |
| 1 | P0012 | Camshaft Position 'A' Over-Retarded (Bank 1) | Ford |
| 1 | P0015 | Camshaft Position 'B' Over-Retarded (Bank 1) | Volvo |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Chevrolet |
| 1 | P0026 | Intake Valve Solenoid Circuit Range/Performance (Bank 1) | Volvo |
| 1 | P0032 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit High Voltage | Dodge |
| 1 | P0037 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Voltage | Volkswagen |
| 1 | P0087 | Fuel Rail Pressure Too Low | Ford |
| 1 | P0105 | MAP Sensor Performance | GMC |
| 1 | P0106 | MAP Sensor Performance | Chevrolet |
| 1 | P0107 | MAP Sensor Circuit Low Voltage | GMC |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Chevrolet |
| 1 | P0118 | ECT Sensor Circuit High Voltage | Volkswagen |
| 1 | P0120 | TP Sensor 1 Signal Circuit Malfunction | Mercury |
| 1 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Chrysler |
| 1 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Subaru |
| 1 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Honda |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Chrysler |
| 1 | P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response | Honda |
| 1 | P0146 | Heated Oxygen Sensor (Bank 1 Sensor 3) Insufficient Activity | Chevrolet |
| 1 | P0153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Slow Response | Suzuki |
| 1 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | GMC |
| 1 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Ford |
| 1 | P0198 | Engine Oil Temperature Sensor Circuit High | Ford |
| 1 | P0203 | Fuel Injector 3 Control Circuit Malfunction | Ford |
| 1 | P0219 | Engine Overspeed Condition | Ford |
| 1 | P0243 | Supercharger Boost Solenoid Control Circuit Malfunction | Dodge |
| 1 | P0261 | Fuel Injector 1 Control Circuit Low Voltage | Volkswagen |
| 1 | P0267 | Fuel Injector 3 Control Circuit Low Voltage | Volkswagen |
| 1 | P0270 | Fuel Injector 4 Control Circuit Low Voltage | Volkswagen |
| 1 | P0272 | Cylinder 4 Balance System Malfunction | Ford |
| 1 | P0277 | Fuel Injector 6 Control Circuit High Voltage | Ford |
| 1 | P0281 | Cylinder 7 Balance System Malfunction | Ford |
| 1 | P0308 | Cylinder 8 Misfire Detected | GMC |
| 1 | P0315 | Crankshaft Position Sensor Variation Not Learned | Chevrolet |
| 1 | P0321 | Crankshaft Position Sensor Circuit Range/Performance | Volkswagen |
| 1 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Jeep |
| 1 | P0356 | Ignition Coil 6 Control Circuit Malfunction | Lincoln |
| 1 | P0357 | Ignition Coil 7 Control Circuit Malfunction | Lincoln |
| 1 | P0358 | Ignition Coil 8 Control Circuit Malfunction | Lincoln |
| 1 | P0374 | High Resolution System Performance | GMC |
| 1 | P0396 | missfire in 6 cylinder | Mazda |
| 1 | P0400 | EGR System Recirculation Flow | Mercury |
| 1 | P0407 | EGR Position Sensor 'B' Circuit Low Voltage | Ford |
| 1 | P0410 | Secondary Air System Performance | Chevrolet |
| 1 | P0411 | Secondary AIR System Incorrect Airflow Detected | Ford |
| 1 | P0421 | Warmup Catalyst Efficiency Low (Bank 1) | Mazda |
| 1 | P0431 | Warmup Catalyst Efficiency Low (Bank 2) | Mazda |
| 1 | P0440 | General EVAP System Failure | Toyota |
| 1 | P0445 | EVAP Canister Purge Volume Control Solenoid Circuit High Voltage | Volkswagen |
| 1 | P0446 | EVAP Vent System Performance | Toyota |
| 1 | P0451 | Fuel Tank Pressure Sensor Performance | Ford |
| 1 | P0453 | Fuel Tank Pressure Sensor Circuit High Voltage | BMW |
| 1 | P0456 | EVAP System Very Small Leak Detected | Dodge |
| 1 | P0457 | Loose Fuel Cap | Dodge |
| 1 | P0481 | Cooling Fan Relay 2 Control Circuit Malfunction | Chevrolet |
| 1 | P0488 | EGR Airflow Throttle Control Circuit Performance | Ford |
| 1 | P0497 | EVAP Canister System Low Purge Flow | Honda |
| 1 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Jeep |
| 1 | P0511 | Idle Air Control Valve Circuit Malfunction | Ford |
| 1 | P0520 | Engine Oil Pressure Sensor Circuit Malfunction | Chevrolet |
| 1 | P0540 | Intake Air Heater Feedback Circuit Malfunction | Chevrolet |
| 1 | P061B | Internal Control Module Torque Calculation Performance | Ford |
| 1 | P0642 | Sensor Reference Voltage 1 Circuit Low | Dodge |
| 1 | P0651 | 5-Volt Reference 2 Circuit Malfunction | Chevrolet |
| 1 | P0660 | Manifold Tune Valve Solenoid Circuit Malfunction | Ford |
| 1 | P0700 | Automatic Transmission System Malfunction Detected | Jeep |
| 1 | P0717 | Input Shaft Speed Sensor Low Input | Kia |
| 1 | P0765 | Underdrive Solenoid Circuit Malfunction | Mitsubishi |
| 1 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 1 | P1090 | Tumble Generator Valve System 1 (Valve Open) | Volkswagen |
| 1 | P1093 | Fuel Rail Pressure Low During Power Enrichment | Chevrolet |
| 1 | P1110 | Atmospheric Pressure Sensor Low Voltage | Saab |
| 1 | P1122 | TP Sensor Circuit Intermittent Low Voltage | Chevrolet |
| 1 | P1127 | ETCS Actuator Power Source Circuit Malfunction | Volkswagen |
| 1 | P1129 | MAP Sensor Value Higher Than Expected | Dodge |
| 1 | P1131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean | Ford |
| 1 | P1137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Low Voltage In Power Enrichment | Volkswagen |
| 1 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Volkswagen |
| 1 | P1152 | Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance (Low) | Volkswagen |
| 1 | P1191 | Intake Air Duct Air Leak | BMW |
| 1 | P1210 | Injection Control System Pressure Above Expected Level | Toyota |
| 1 | P1212 | ABS/TCS Control Unit Malfunction | Ford |
| 1 | P1221 | TP Sensor 2 Signal Correlation | Chevrolet |
| 1 | P1233 | Fuel System Disabled Or Offline | Ford |
| 1 | P1244 | Generator Load Circuit Input High | GMC |
| 1 | P1296 | 5-Volt VREF Supply Not Present | Volkswagen |
| 1 | P1309 | Misfire Detection Monitor | Ford |
| 1 | P1378 | FICM Supply Voltage Low Voltage | Ford |
| 1 | P1383 | Variable Cam Timing Over-Retarded (Cylinder Bank 1) | Jaguar |
| 1 | P1388 | Auto Shutdown Relay Control Circuit Malfunction | Jaguar |
| 1 | P1389 | No Auto Shutdown Relay Output Voltage To PCM | Jeep |
| 1 | P1393 | 'G' Sensor Rough Road High Voltage | Volkswagen |
| 1 | P1394 | Acceleration 'G' Sensor Intermittent High Input | Volkswagen |
| 1 | P1395 | Glow Plug Monitor Fault On Bank 1 (Right Side) | Volkswagen |
| 1 | P1406 | EGR Valve Pintle Position Circuit Malfunction | Buick |
| 1 | P1443 | Secondary Air Injection System Control Valve Circuit Malfunction (Bank 2) | Ford |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Acura |
| 1 | P1470 | boost pressure solinoid open or shortedto ground | BMW |
| 1 | P1493 | Battery Temperature Sensor Circuit Low Voltage | Nissan |
| 1 | P1497 | EGR Valve Stepper Motor Coil 2 Circuit Malfunction | Mini |
| 1 | P1500 | Starter Signal Circuit Malfunction | Chevrolet |
| 1 | P1510 | PCM Backup Power Supply Circuit Malfunction | Chevrolet |
| 1 | P1515 | Control Module Throttle Actuator Position Performance | Chevrolet |
| 1 | P1521 | Incorrect Engine Oil Type | Dodge |
| 1 | P1523 | Throttle Closed Position Performance | Chevrolet |
| 1 | P1542 | Climate Control Unit Signal Circuit High Voltage | Volkswagen |
| 1 | P1545 | Air Conditioning Clutch Relay Control Circuit Malfunction | Volkswagen |
| 1 | P1565 | Speed Control Command Switch Out-Of-Range High | Volkswagen |
| 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 | P1589 | MPI Power Inverter Module Current Signal Circuit Malfunction | Toyota |
| 1 | P1603 | PCM Internal Shutdown Timer Rationality | Toyota |
| 1 | P1605 | Diagnostic Communication Line Malfunction | Toyota |
| 1 | P1607 | PCM Internal Shutdown Timer Slow Rationality | Dodge |
| 1 | P1614 | NATS CHAIN OF IMMU-KEY | Ford |
| 1 | P1617 | Engine Oil Level Switch Circuit Malfunction | Ford |
| 1 | P1618 | Sensor Reference Voltage 1 Circuit Erratic | Dodge |
| 1 | P161B | Battery Disconnect / TCM Internal | Jeep |
| 1 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Chevrolet |
| 1 | P1629 | Theft Deterrent Signal Not Present, Engine Cranking | Pontiac |
| 1 | P1630 | Theft Deterrent Learn Mode Active | Chevrolet |
| 1 | P1632 | Theft Deterrent Fuel Disable Signal Received | BMW |
| 1 | P1694 | No Communication With PCM | BMW |
| 1 | P1703 | Brake Switch Circuit Malfunction (Self Test) | Ford |
| 1 | P1705 | Throttle Position Sensor Circuit Malfunction | Mercury |
| 1 | P1790 | Fault Immediately After Shift | Jeep |
| 1 | P1794 | Speed Sensor Ground Circuit Malfunction | Jeep |
| 1 | P1914 | Manifold Absolute Pressure Sensor Performance | Volkswagen |
| 1 | P2015 | Intake Manifold Runner Position Sensor Performance | Volkswagen |
| 1 | P2074 | Manifold Pressure/Throttle Position Correlation - High Flow/Vacuum Leak | Dodge |
| 1 | P2097 | Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2) | Mini |
| 1 | P2121 | Accelerator Pedal Position Sensor 1 Performance | Toyota |
| 1 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | Dodge |
| 1 | P2127 | Accelerator Pedal Position Sensor 2 Circuit Low Voltage | Hyundai |
| 1 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Hyundai |
| 1 | P2172 | High Airflow / Vacuum Leak Detected (Instantaneous Accumulation) | Dodge |
| 1 | P2173 | High Airflow / Vacuum Leak Detected (Slow Accumulation) | Dodge |
| 1 | P2178 | Fuel Trim System Rich At Cruise or Acceleration (Bank 1) | Mini |
| 1 | P2181 | Cooling System Performance | Porsche |
| 1 | P2185 | Engine Coolant Temperature Sensor 2 Circuit High Voltage | Volkswagen |
| 1 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Mazda |
| 1 | P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean | Ford |
| 1 | P2263 | Turbo/Super Charger System Performance | Acura |
| 1 | P2279 | Intake Air System Leak | Volkswagen |
| 1 | P2285 | Injector Control Pressure Sensor Circuit Low Voltage | Ford |
| 1 | P251A | Power take off switch open | Ford |
| 1 | P2617 | Crankshaft Position Signal Output Circuit Malfunction | Ford |
| 1 | P2623 | Injector Control Pressure Regulator Circuit Malfunction | Mercedes-Benz |
| 1 | P2626 | Heated Oxygen Sensor (Bank 1 Sensor 1) Pumping Current Trim Circuit | Dodge |
| 1 | P2633 | MAF Sensor Signal Plausibility | Dodge |
| 1 | P2702 | Inadequate Element Volume O/D | Ford |
| 1 | P2A01 | Heated Oxygen Sensor (Bank 1 Sensor 2) Closed Loop Performance | Chevrolet |
| 1 | P2A04 | Heated Oxygen Sensor (Bank 2 Sensor 2) Closed Loop Performance | Chevrolet |
| 1 | P3008 | g40 signal outside specs | Volkswagen |
| 1 | P4410 | testing and results | Nissan |
| 1 | U0131 | FCAN Malfunction (EPS-ECM) | Chevrolet |
| 1 | U0140 | Lost Communication With BCM | Chevrolet |
| 1 | U1009 | First letter in code U. SCP inval/miss eng.torq. data | Lincoln |
| 1 | U1027 | SCP Data Fault engine RPM | Lincoln |
| 1 | U1059 | Egr insufficient flow | Lincoln |
| 1 | U1064 | Lost Communication With BCM or VCD Module | GMC |
| 1 | U1255 | Class 2 Communication Malfunction | Chevrolet |
| 1 | U1415 | Implausible/missing vehicle configuration data - stored in Airbag module | Chrysler |
| 1 | U2100 | Controller Area Network BUS Communication | Pontiac |
| 1 | U2109 | Lost communication with pcm | Pontiac |
