Diagnostic Trouble Code Index for December 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 |
| 28 | P0300 | Multiple Cylinder Misfire Detected | Acura, Audi, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Ford, GMC, Kia, Nissan, Pontiac, Saturn, Toyota, Volkswagen |
| 20 | P0171 | Fuel System Lean (Bank 1) | Audi, BMW, Chevrolet, Dodge, Ford, GMC, Infiniti, Land Rover, Lincoln, Nissan, Pontiac, Toyota |
| 13 | P0301 | Cylinder 1 Misfire Detected | Acura, Audi, Cadillac, Chevrolet, Ford, Kia, Nissan, Subaru, Toyota, Volkswagen, Volvo |
| 12 | P0303 | Cylinder 3 Misfire Detected | Acura, BMW, Chevrolet, Ford, Kia, Mitsubishi, Nissan, Subaru, Toyota, Volkswagen |
| 8 | P0174 | Fuel System Lean (Bank 2) | BMW, Chevrolet, Ford, Land Rover, Lincoln |
| 8 | P0302 | Cylinder 2 Misfire Detected | Acura, Audi, Chevrolet, Ford, Toyota, Volkswagen |
| 6 | P0304 | Cylinder 4 Misfire Detected | Acura, BMW, Chevrolet, Ford, Toyota |
| 6 | P0305 | Cylinder 5 Misfire Detected | Acura, Ford, Mitsubishi, Toyota |
| 4 | P0011 | Intake Camshaft Position System Performance | Ford, Nissan |
| 4 | P0340 | Camshaft Position Sensor Circuit Malfunction | Chevrolet, Chrysler, Mazda, Nissan |
| 4 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet, Chrysler, Dodge, Pontiac |
| 3 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Chevrolet, Toyota |
| 3 | P0101 | MAF Sensor Performance | Chevrolet |
| 3 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Chevrolet, GMC |
| 3 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Chevrolet |
| 3 | P0335 | Crankshaft Position Sensor Circuit Malfunction | BMW, Chrysler, Nissan |
| 3 | P0505 | Idle Control System Malfunction | Ford, Honda, Mitsubishi |
| 2 | P0022 | Camshaft Position 'A' Timing Over-Retarded (Bank 2) | Ford |
| 2 | P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | Toyota |
| 2 | P0121 | TP Sensor Performance | Chevrolet |
| 2 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Chevrolet, Toyota |
| 2 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Mazda, Mitsubishi |
| 2 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Toyota, Volvo |
| 2 | P0201 | Fuel Injector 1 Control Circuit Malfunction | Cadillac, Volkswagen |
| 2 | P0307 | Cylinder 7 Misfire Detected | Ford, Toyota |
| 2 | P0328 | Knock Sensor Circuit High Voltage (Bank 1) | Jaguar, Toyota |
| 2 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Ford, Jeep |
| 2 | P0402 | Excessive EGR Flow Detected | Ford, Volkswagen |
| 2 | P0442 | EVAP System Small Leak Detected | Jaguar, Mitsubishi |
| 2 | P0446 | EVAP Vent System Performance | Ford, Mercedes-Benz |
| 2 | P0455 | EVAP System Large Leak Detected | Audi, Saturn |
| 2 | P0456 | EVAP System Very Small Leak Detected | Dodge, Jaguar |
| 2 | P0463 | Fuel Level Sensor High Voltage | Chevrolet |
| 2 | P0507 | Idle Speed High | Mazda, Porsche |
| 2 | P0601 | Control Module Read Only Memory | Chevrolet, Pontiac |
| 2 | P1093 | Fuel Rail Pressure Low During Power Enrichment | Audi, Chevrolet |
| 2 | P1260 | Immobilizer System Malfunction | Ford, Lincoln |
| 2 | P1294 | Target Idle Speed Not Reached | Chrysler, Jeep |
| 2 | P1349 | Variable Valve Timing System (Bank 1) | Lexus, Toyota |
| 2 | P1582 | Electronic Throttle Monitor Data Available | Jaguar, Volkswagen |
| 2 | P1629 | Theft Deterrent Signal Not Present, Engine Cranking | Chevrolet, Oldsmobile |
| 2 | P1681 | Control Module Throttle Position System Performance | Lincoln, Saturn |
| 2 | P2135 | Throttle Position Sensor 1-2 Correlation Error | Chevrolet, Volvo |
| 2 | U1064 | Lost Communication With BCM or VCD Module | Chevrolet |
| 1 | B0005 | In park switch circuitb1420device voltage malfunction | Chevrolet |
| 1 | B0264 | Unmetered intake air | Mini |
| 1 | B0528 | Chevrolet | |
| 1 | B0790 | Transfer case no neutral input open or short | Chevrolet |
| 1 | B1022 | Loss of SIR serial data | Chevrolet |
| 1 | B1440 | Ignition mismatch | Chevrolet |
| 1 | B161F | switch for reading light lamp signal too low | Dodge |
| 1 | B2101 | Ignition run/start input low | Dodge |
| 1 | B2107 | Ignition switch sense input circuit/performance | Dodge |
| 1 | B2958 | Security system sensor data circuit high | Chevrolet |
| 1 | B2960 | Security system sensor data incorrect but valid | Chevrolet |
| 1 | B3031 | Security system in learn mode | Chevrolet |
| 1 | B3935 | Transponder Authentication Error | Chevrolet |
| 1 | C121C | Torque request signal denied | Dodge |
| 1 | P0012 | Camshaft Position 'A' Over-Retarded (Bank 1) | Ford |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Toyota |
| 1 | P0018 | Crankshaft Position - Intake Camshaft Position Correlation (Bank 2) | Toyota |
| 1 | P0019 | Crankshaft Position - Exhaust Camshaft Position Correlation (Bank 2) | Toyota |
| 1 | P0021 | Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2) | Ford |
| 1 | P0036 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Control Circuit Malfunction | Volvo |
| 1 | P0068 | Throttle Body Airflow Performance | Chevrolet |
| 1 | P0100 | Mass Airflow Sensor Circuit Malfunction | Volkswagen |
| 1 | P0102 | MAF Sensor Circuit Low Frequency | Mazda |
| 1 | P0107 | MAP Sensor Circuit Low Voltage | Saturn |
| 1 | P0116 | ECT Sensor Performance | Kia |
| 1 | P0120 | TP Sensor 1 Signal Circuit Malfunction | Mercedes-Benz |
| 1 | P0123 | TP Sensor Circuit High Voltage | Jeep |
| 1 | P0125 | Engine Coolant Temperature Insufficient For Closed Loop Fuel Control | Kia |
| 1 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Saturn |
| 1 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | Volkswagen |
| 1 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | GMC |
| 1 | P0156 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Malfunction | Toyota |
| 1 | P0172 | Fuel System Rich (Bank 1) | Infiniti |
| 1 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | Land Rover |
| 1 | P0181 | Fuel Tank Temperature Sensor Range/Performance | Kia |
| 1 | P0204 | Fuel Injector 4 Control Circuit Malfunction | Dodge |
| 1 | P0208 | Fuel Injector 8 Control Circuit Malfunction | Dodge |
| 1 | P020E | Throttle body current | Mercedes-Benz |
| 1 | P0216 | Injection Timing Control Circuit Malfunction | Dodge |
| 1 | P0236 | Turbocharger Boost System Performance | Volvo |
| 1 | P0237 | Turbocharger Boost Sensor Circuit Low Voltage | Volvo |
| 1 | P0238 | Turbocharger Boost Circuit High Voltage | Chevrolet |
| 1 | P0251 | Injection Pump Camshaft System | Chevrolet |
| 1 | P0272 | Cylinder 4 Balance System Malfunction | Ford |
| 1 | P0306 | Cylinder 6 Misfire Detected | Ford |
| 1 | P0309 | Cylinder 9 Misfire Detected | BMW |
| 1 | P0315 | Crankshaft Position Sensor Variation Not Learned | Chrysler |
| 1 | P0320 | No Crank Reference Signal To PCM | Ford |
| 1 | P0321 | Crankshaft Position Sensor Circuit Range/Performance | Volkswagen |
| 1 | P0325 | Knock Sensor Circuit Malfunction | Toyota |
| 1 | P0337 | CKP Sensor Circuit Low Duty Cycle | Volvo |
| 1 | P0341 | CMP Sensor Performance | Chevrolet |
| 1 | P0342 | CMP Sensor Circuit Low Voltage | Mini |
| 1 | P0344 | Camshaft Position Sensor Signal Intermittent | Dodge |
| 1 | P0354 | Ignition Coil 4 Control Circuit Malfunction | Dodge |
| 1 | P0355 | Ignition Coil 5 Control Circuit Malfunction | Scion |
| 1 | P0370 | Timing Reference High-Resolution System Performance | Chevrolet |
| 1 | P0385 | Crankshaft Position Sensor 'B' Circuit Malfunction | Chevrolet |
| 1 | P0401 | Insufficient EGR Flow Detected | Lincoln |
| 1 | P0403 | EGR Solenoid Control Circuit Malfunction | Mazda |
| 1 | P0405 | EGR Position Sensor Circuit Low Voltage | Jeep |
| 1 | P0411 | Secondary AIR System Incorrect Airflow Detected | Volkswagen |
| 1 | P0431 | Warmup Catalyst Efficiency Low (Bank 2) | Kia |
| 1 | P0440 | General EVAP System Failure | Toyota |
| 1 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Mazda |
| 1 | P0448 | EVAP Canister Vent Control Valve Closed | Subaru |
| 1 | P0461 | Fuel Level Sensor Performance | Ford |
| 1 | P0462 | Fuel Level Sensor Low Voltage | Ford |
| 1 | P0491 | Secondary AIR System Insufficient Flow Detected (Bank 1) | BMW |
| 1 | P0492 | Secondary air flow bank 2 | BMW |
| 1 | P0522 | Engine Oil Pressure Sensor Circuit Low Voltage | Cadillac |
| 1 | P0604 | Control Module Random Access Memory | Kia |
| 1 | P0605 | Control Module Programming Read Only Memory | Ford |
| 1 | P0606 | Control Module Internal Performance | Pontiac |
| 1 | P0633 | SKIM Key Not Programmed In PCM | Chevrolet |
| 1 | P0650 | Malfunction Indicator Lamp Circuit Malfunction | Chevrolet |
| 1 | P0671 | Glow Plug No. 1 Control Circuit Malfunction | Ford |
| 1 | P0672 | Glow Plug No. 2 Control Circuit Malfunction | Ford |
| 1 | P0673 | Glow Plug No. 3 Control Circuit Malfunction | Ford |
| 1 | P0674 | Glow Plug No. 4 Control Circuit Malfunction | Ford |
| 1 | P0675 | Glow Plug No. 5 Control Circuit Malfunction | Ford |
| 1 | P0676 | Glow Plug No. 6 Control Circuit Malfunction | Ford |
| 1 | P0690 | Engine Controls Ignition Relay Feedback Circuit High Voltage | Ford |
| 1 | P0758 | 2-3 Shift Solenoid Circuit Malfunction | GMC |
| 1 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 1 | P1086 | Tumble Generator Valve Position Sensor 2 Low Input | Subaru |
| 1 | P1094 | Fuel Rail Pressure Low During Idle Or Decel Fuel Cutoff | Chevrolet |
| 1 | P1115 | ECT Sensor Circuit Intermittent High Voltage | Kia |
| 1 | P1120 | TP Sensor 1 Circuit Malfunction | Saturn |
| 1 | P1125 | Accelerator Pedal Position System Malfunction | GMC |
| 1 | P1131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean | Lincoln |
| 1 | P115C | mass or volume airflow too low compared to model | Mini |
| 1 | P119A | Fuel pressure sensor G247 | Audi |
| 1 | P1212 | ABS/TCS Control Unit Malfunction | Nissan |
| 1 | P1220 | TP Sensor 2 Circuit Malfunction | Saturn |
| 1 | P1225 | Closed Throttle Learning Position Performance | Volkswagen |
| 1 | P1226 | Closed Throttle Learning Position Performance | Volkswagen |
| 1 | P1227 | Fuel Injector 2 Control Circuit Shorted | Volkswagen |
| 1 | P1228 | Accelerator Pedal Position Sensor Circuit High Voltage | Volkswagen |
| 1 | P1255 | CTS short to ground | Volkswagen |
| 1 | P1285 | Accelerator Pedal Position Sensor 3 Circuit Malfunction | Lincoln |
| 1 | P1290 | CNG Pressure Sensor Circuit High Voltage | Lincoln |
| 1 | P1299 | Vacuum Leak Present With IAC Valve Fully Seated | Lincoln |
| 1 | P1320 | Igniter 5 Circuit Malfunction | Nissan |
| 1 | P1340 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Audi |
| 1 | P1351 | ICM Ignition Control Circuit High Voltage | GMC |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Mitsubishi |
| 1 | P1392 | 'G' Sensor Rough Road Low Voltage | Audi |
| 1 | P1407 | EGR Flow Out Of Self-Test Range | Ford |
| 1 | P1411 | Cylinder 1 Reactivation Control Performance | Volkswagen |
| 1 | P1423 | Fuel Tank Large Leak | Volkswagen |
| 1 | P1446 | EVAP Canister Vent Valve Malfunction (Closed) | Nissan |
| 1 | P1451 | Barometric Pressure Sensor Signal Range/Performance | Volkswagen |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 1 | P1487 | EGR Boost Sensor Solenoid Circuit Malfunction | Mazda |
| 1 | P1497 | EGR Valve Stepper Motor Coil 2 Circuit Malfunction | Mini |
| 1 | P1505 | Idle Air Control System at Adaptive Clip | Audi |
| 1 | P1515 | Control Module Throttle Actuator Position Performance | Saturn |
| 1 | P1519 | Idle Air Control Valve Circuit Malfunction | Audi |
| 1 | P1603 | PCM Internal Shutdown Timer Rationality | BMW |
| 1 | P1607 | PCM Internal Shutdown Timer Slow Rationality | Dodge |
| 1 | P1612 | NATS CHAIN OF IMMU-PCM | Nissan |
| 1 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Chevrolet |
| 1 | P1635 | 5-Volt Reference 1 Circuit Malfunction | Saturn |
| 1 | P1640 | Output Driver 1 Circuit Malfunction | Saturn |
| 1 | P1685 | Smart Key Immobilizer Module Invalid Key | Jeep |
| 1 | P1811 | Maximum Adaptive And Long Term Shift | Chevrolet |
| 1 | P2008 | Intake Manifold Runner (Swirl) Control Circuit / Open | Cadillac |
| 1 | P2015 | Intake Manifold Runner Position Sensor Performance | Audi |
| 1 | P2050 | Misfiring damages twc | Mercedes-Benz |
| 1 | P2057 | Oxygen Sensor Signal Voltage Too High | Mercedes-Benz |
| 1 | P2072 | Electronic Throttle Control System - Ice Blockage | Ford |
| 1 | P2088 | Camshaft Position Actuator Circuit Low (Bank 1) | Mazda |
| 1 | P2092 | Intake Camshaft Position Actuator Solenoid Control Circuit Low (Bank 2) | Mazda |
| 1 | P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) | Mazda |
| 1 | P2110 | Electronic Throttle Control - Forced Limited RPM | Hyundai |
| 1 | P2118 | Electronic Throttle Control - Motor Current Performance | Toyota |
| 1 | P2125 | Accelerator Pedal Position Sensor 2 Circuit Malfunction | GMC |
| 1 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Hyundai |
| 1 | P2177 | Fuel Trim System Lean At Cruise Or Acceleration (Bank 1) | Mazda |
| 1 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Mazda |
| 1 | P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean | Mazda |
| 1 | P2196 | Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck Rich | Ford |
| 1 | P2198 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Rich" | Ford |
| 1 | P2286 | Injector Control Pressure Sensor Circuit High Voltage | Ford |
| 1 | P2647 | VTEC Oil Pressure Switch Circuit High Voltage | Honda |
| 1 | P2A03 | Air Fuel Sensor (Bank 2 Sensor 1) Circuit Range / Performance | Mercedes-Benz |
| 1 | P3497 | MDS Rationality - Bank 2 | Dodge |
| 1 | U0107 | Throttle Actuator Control Serial Data Circuit Malfunction | Pontiac |
| 1 | U0110 | IMA-CAN Malfunction BUS "Off" (Battery Condition Monitor – MCM/MCM) | Honda |
| 1 | U0111 | IMA-CAN Malfunction (BCM Module - MCM) | Honda |
| 1 | U0140 | Lost Communication With BCM | Chevrolet |
| 1 | U1000 | Class 2 Communication Malfunction | Nissan |
| 1 | U1001 | Lost Communication With XXX Control Module | Nissan |
| 1 | U1016 | Serial Communications Malfunction | Chevrolet |
| 1 | U1026 | Loss of ATC Class 2 Communication | Chevrolet |
| 1 | U1041 | Loss of Electronic Brake Controller Communication | Chevrolet |
