Diagnostic Trouble Code Index for June 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 |
| 27 | P0300 | Multiple Cylinder Misfire Detected | BMW, Chevrolet, Chrysler, Dodge, Ford, GMC, Honda, Isuzu, Jeep, Lexus, Mazda, Mercedes-Benz, Mitsubishi, Nissan, Oldsmobile, Other GM |
| 10 | P0171 | Fuel System Lean (Bank 1) | Chrysler, GMC, Jeep, Kia, Mitsubishi, Pontiac, Toyota, Volkswagen |
| 9 | P0340 | Camshaft Position Sensor Circuit Malfunction | Chevrolet, Ford, Jeep, Mazda, Mitsubishi, Nissan |
| 8 | P0303 | Cylinder 3 Misfire Detected | Dodge, Ford, Land Rover, Mitsubishi, Other European, Subaru |
| 6 | P0172 | Fuel System Rich (Bank 1) | Ford, Hyundai, Jaguar, Mazda, Toyota |
| 6 | P0301 | Cylinder 1 Misfire Detected | Ford, Honda, Nissan, Toyota, Volkswagen |
| 6 | P0325 | Knock Sensor Circuit Malfunction | Chevrolet, Mercedes-Benz, Nissan |
| 6 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Chevrolet, Honda, Hyundai, Kia, Nissan, Oldsmobile |
| 5 | P0302 | Cylinder 2 Misfire Detected | Chrysler, Honda, Jeep, Lexus, Other European |
| 4 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Chrysler, Ford, Jeep |
| 4 | P0304 | Cylinder 4 Misfire Detected | Infiniti, Jeep, Mercedes-Benz, Subaru |
| 4 | P0341 | CMP Sensor Performance | Chevrolet, Oldsmobile, Volkswagen |
| 4 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Alfa Romeo, GMC, Mazda, Plymouth |
| 3 | P0022 | Camshaft Position 'A' Timing Over-Retarded (Bank 2) | Ford, Mazda |
| 3 | P0175 | Fuel System Rich (Bank 2) | Ford, Hyundai, Jaguar |
| 3 | P0430 | Catalyst System Low Efficiency (Bank 2) | Chrysler, Dodge, Nissan |
| 3 | P0441 | EVAP Purge System Performance | Mazda, Nissan, Toyota |
| 3 | P1391 | CKP Or CMP Sensor Signal Intermittent | Jeep |
| 3 | P1635 | 5-Volt Reference 1 Circuit Malfunction | Chevrolet, Oldsmobile |
| 3 | P2106 | Electronic Throttle Control System - Forced Limited Power | Dodge, Ford, Lincoln |
| 3 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Honda, Nissan |
| 2 | P0016 | Crankshaft/Camshaft Timing Misalignment | Hyundai, Kia |
| 2 | P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | Dodge, Jeep |
| 2 | P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage | Dodge, Toyota |
| 2 | P0100 | Mass Airflow Sensor Circuit Malfunction | Alfa Romeo, Nissan |
| 2 | P0101 | MAF Sensor Performance | Chevrolet |
| 2 | P0118 | ECT Sensor Circuit High Voltage | Chevrolet, Ford |
| 2 | P0123 | TP Sensor Circuit High Voltage | Dodge, Jeep |
| 2 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Alfa Romeo, Oldsmobile |
| 2 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Ford, Mazda |
| 2 | P0263 | Cylinder 1 Balance System Malfunction | Ford |
| 2 | P0269 | Cylinder 3 Balance System Malfunction | Ford |
| 2 | P0284 | Cylinder 8 Balance System Malfunction | Ford |
| 2 | P0305 | Cylinder 5 Misfire Detected | Ford, Jeep |
| 2 | P0306 | Cylinder 6 Misfire Detected | Lexus, Nissan |
| 2 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Chrysler, Ford |
| 2 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Chrysler, Ford |
| 2 | P0353 | Ignition Coil 3 Control Circuit Malfunction | Ford |
| 2 | P0404 | EGR Open Position Performance | Chevrolet, Ford |
| 2 | P0410 | Secondary Air System Performance | Mercedes-Benz |
| 2 | P0442 | EVAP System Small Leak Detected | Jaguar, Saturn |
| 2 | P0455 | EVAP System Large Leak Detected | Dodge, Nissan |
| 2 | P0456 | EVAP System Very Small Leak Detected | Dodge, Jeep |
| 2 | P0480 | Cooling Fan Relay 1 Control Circuit Malfunction | Dodge |
| 2 | P0505 | Idle Control System Malfunction | BMW, Nissan |
| 2 | P0638 | Throttle Actuator Control Command Performance | Mini, Saturn |
| 2 | P0700 | Automatic Transmission System Malfunction Detected | Saab, Saturn |
| 2 | P0725 | Engine Speed Sensor Circuit Malfunction | Nissan, Saab |
| 2 | P1125 | Accelerator Pedal Position System Malfunction | Chevrolet, Mini |
| 2 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Ford, Mazda |
| 2 | P1166 | Heated Oxygen Sensor (Bank 2 Sensor 2) Minimum Voltage Monitoring | Kia |
| 2 | P1189 | Engine Oil Pressure Switch Circuit Malfunction | BMW, Chevrolet |
| 2 | P1218 | Injection Pump Calibration Circuit Malfunction | Chevrolet, GMC |
| 2 | P1335 | Crankshaft Position Sensor Circuit Malfunction | Ford, Nissan |
| 2 | P1519 | Idle Air Control Valve Circuit Malfunction | Ford, Honda |
| 2 | P2107 | Electronic Throttle Control Module Processor | Ford |
| 2 | P2135 | Throttle Position Sensor 1-2 Correlation Error | Cadillac, Saab |
| 2 | P3000 | HV Battery Malfunction | Toyota |
| 2 | U0073 | Control Module Communication Bus Off | Chevrolet, Mazda |
| 2 | U0100 | Lost Communication With ECM/PCM | Chevrolet, Jeep |
| 2 | U1000 | Class 2 Communication Malfunction | Nissan, Saturn |
| 2 | U1041 | Loss of Electronic Brake Controller Communication | GMC, Lincoln |
| 1 | B1213 | Less Than Two Keys Programmed To The System | Ford |
| 1 | B1600 | PATS Ignition Key Transponder Signal Not Received | Ford |
| 1 | B1845 | ing-switch anti theft circuit failure | Ford |
| 1 | B2799 | Engine Immobilizer System Malfunction | Toyota |
| 1 | C1202 | brake fluid level or switch malfunction | Toyota |
| 1 | C121C | Torque request signal denied | Chrysler |
| 1 | C1259 | HV control system regen. malfunction | Toyota |
| 1 | P000B | Camshaft 2 Position Slow Response | Dodge |
| 1 | P0011 | Intake Camshaft Position System Performance | Mazda |
| 1 | P0012 | Camshaft Position 'A' Over-Retarded (Bank 1) | Toyota |
| 1 | P0013 | Exhaust Camshaft Position Actuator Solenoid Control Circuit (Bank 1) | Chevrolet |
| 1 | P0014 | Exhaust Camshaft Position System Performance | Chevrolet |
| 1 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Chevrolet |
| 1 | P0018 | Crankshaft Position - Intake Camshaft Position Correlation (Bank 2) | Kia |
| 1 | P0037 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Voltage | Dodge |
| 1 | P0038 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Voltage | Dodge |
| 1 | P003A | Turbocharger Boost Control Position Not Learned | Chevrolet |
| 1 | P0053 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance | GMC |
| 1 | P0057 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Low Voltage | Dodge |
| 1 | P0058 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit High Voltage | Dodge |
| 1 | P0087 | Fuel Rail Pressure Too Low | Ford |
| 1 | P0102 | MAF Sensor Circuit Low Frequency | Saturn |
| 1 | P0104 | Mass Airflow Sensor Circuit Intermittent | Ford |
| 1 | P0119 | ECT Sensor Circuit Intermittent | Ford |
| 1 | P0121 | TP Sensor Performance | Kia |
| 1 | P0122 | TP Sensor Circuit Low Voltage | Pontiac |
| 1 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Chevrolet |
| 1 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Cadillac |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Toyota |
| 1 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Alfa Romeo |
| 1 | P0154 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity | Nissan |
| 1 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Alfa Romeo |
| 1 | P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage | Jeep |
| 1 | P0158 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High Voltage | Jeep |
| 1 | P0159 | Heated Oxygen Sensor (Bank 2 Sensor 2) Slow Response | Audi |
| 1 | P0160 | Heated Oxygen Sensor (Bank 2 Sensor 2) Insufficient Activity | Nissan |
| 1 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Alfa Romeo |
| 1 | P0181 | Fuel Tank Temperature Sensor Range/Performance | Hyundai |
| 1 | P0200 | Fuel Injector Circuit Malfunction | Chevrolet |
| 1 | P0202 | Fuel Injector 2 Control Circuit Malfunction | Chrysler |
| 1 | P0203 | Fuel Injector 3 Control Circuit Malfunction | Chrysler |
| 1 | P0204 | Fuel Injector 4 Control Circuit Malfunction | Jeep |
| 1 | P0206 | Fuel Injector 6 Control Circuit Malfunction | Jeep |
| 1 | P0208 | Fuel Injector 8 Control Circuit Malfunction | Jeep |
| 1 | P0230 | Fuel Pump Relay Control Circuit Malfunction | Pontiac |
| 1 | P0243 | Supercharger Boost Solenoid Control Circuit Malfunction | Dodge |
| 1 | P0253 | Injector Pump Fuel Valve Current Too Low | Chrysler |
| 1 | P0266 | Cylinder 2 Balance System Malfunction | Ford |
| 1 | P0267 | Fuel Injector 3 Control Circuit Low Voltage | Ford |
| 1 | P0270 | Fuel Injector 4 Control Circuit Low Voltage | Ford |
| 1 | P0273 | Fuel Injector 5 Control Circuit Low Voltage | Ford |
| 1 | P0279 | Cylinder 7 Injector Circuit Low | Ford |
| 1 | P0282 | Cylinder 8 Injector Circuit Low | Ford |
| 1 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 1 | P0330 | Knock Sensor 2 Circuit Malfunction | Mercedes-Benz |
| 1 | P0336 | Crankshaft Position Sensor Performance | Pontiac |
| 1 | P0337 | CKP Sensor Circuit Low Duty Cycle | Saab |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Chrysler |
| 1 | P0344 | Camshaft Position Sensor Signal Intermittent | Ford |
| 1 | P0345 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Ford |
| 1 | P0346 | Intake Camshaft Position Sensor Performance (Bank 2) | Volkswagen |
| 1 | P0349 | Camshaft Position Sensor Circuit Intermittent (Bank 2) | Ford |
| 1 | P0354 | Ignition Coil 4 Control Circuit Malfunction | Ford |
| 1 | P0355 | Ignition Coil 5 Control Circuit Malfunction | Ford |
| 1 | P0356 | Ignition Coil 6 Control Circuit Malfunction | Ford |
| 1 | P0385 | Crankshaft Position Sensor 'B' Circuit Malfunction | Oldsmobile |
| 1 | P0400 | EGR System Recirculation Flow | Subaru |
| 1 | P0401 | Insufficient EGR Flow Detected | Ford |
| 1 | P0402 | Excessive EGR Flow Detected | Ford |
| 1 | P0403 | EGR Solenoid Control Circuit Malfunction | Nissan |
| 1 | P0411 | Secondary AIR System Incorrect Airflow Detected | BMW |
| 1 | P0421 | Warmup Catalyst Efficiency Low (Bank 1) | Mazda |
| 1 | P0463 | Fuel Level Sensor High Voltage | Dodge |
| 1 | P0464 | Fuel Level Sensor Circuit Intermittent | Nissan |
| 1 | P0470 | Exhaust Backpressure Sensor Circuit Malfunction | Ford |
| 1 | P0481 | Cooling Fan Relay 2 Control Circuit Malfunction | Dodge |
| 1 | P0483 | Cooling Fan System Performance | Dodge |
| 1 | P0491 | Secondary AIR System Insufficient Flow Detected (Bank 1) | BMW |
| 1 | P0492 | Secondary air flow bank 2 | BMW |
| 1 | P0501 | Vehicle Speed Sensor 1 Performance | Hyundai |
| 1 | P0503 | VSS Circuit Intermittent | Ford |
| 1 | P0507 | Idle Speed High | Chevrolet |
| 1 | P0520 | Engine Oil Pressure Sensor Circuit Malfunction | Buick |
| 1 | P0533 | A/C Refrigerant Pressure Sensor Circuit High Voltage | Dodge |
| 1 | P0600 | Serial Communication Link | Honda |
| 1 | P0606 | Control Module Internal Performance | Ford |
| 1 | P0642 | Sensor Reference Voltage 1 Circuit Low | Chevrolet |
| 1 | P0643 | Sensor Reference Voltage 1 Circuit High | Nissan |
| 1 | P0650 | Malfunction Indicator Lamp Circuit Malfunction | Cadillac |
| 1 | P0689 | Engine Controls Ignition Relay Feedback Circuit Low Voltage | GMC |
| 1 | P0706 | Transmission Range Switch Circuit Malfunction | Buick |
| 1 | P0724 | TCC Brake Switch Circuit High Voltage | Nissan |
| 1 | P0732 | Gear Ratio Error In Second | Nissan |
| 1 | P0733 | Gear Ratio Error In Third | BMW |
| 1 | P0A80 | Replace Hybrid Battery Pack | Toyota |
| 1 | P1001 | Data Link Connector Circuit Malfunction | Nissan |
| 1 | P1012 | Exhaust Camshaft Position Actuator Park Position (Bank 1) | Nissan |
| 1 | P1088 | Tumble Generator Valve Position Sensor 1 Low Input | Subaru |
| 1 | P1093 | Fuel Rail Pressure Low During Power Enrichment | Audi |
| 1 | P1106 | MAP Sensor Circuit Intermittent High Voltage | Chevrolet |
| 1 | P1120 | TP Sensor 1 Circuit Malfunction | Ford |
| 1 | P1126 | Magnetic Clutch Circuit Malfunction | Mini |
| 1 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Chrysler |
| 1 | P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | Pontiac |
| 1 | P1135 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Toyota |
| 1 | P1139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Switching | Cadillac |
| 1 | P1188 | Fuel Tank Temperature Sensor Circuit High Voltage | BMW |
| 1 | P1207 | Air Assist Injector Solenoid Circuit Low Input | Subaru |
| 1 | P1216 | Fuel Solenoid Response Time Too Short | GMC |
| 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 | P1247 | Fuel Injector 8 Control Circuit Shorted | Ford |
| 1 | P1289 | Manifold Tuning Valve Control Circuit Malfunction | Chrysler |
| 1 | P1297 | No Change In MAP Signal From Start To Run Transition | Audi |
| 1 | P1336 | CKP Sensor System Variation Not Learned | GMC |
| 1 | P1361 | ICM Ignition Control Circuit Low Voltage | Buick |
| 1 | P1362 | ICM Control Circuit High Voltage | Buick |
| 1 | P1367 | Top Dead Sensor 2 No Signal | Jaguar |
| 1 | P1368 | Ign module 2 | Jaguar |
| 1 | P1374 | CKP Sensor High To Low Resolution Frequency Correlation | Buick |
| 1 | P1382 | Camshaft Position Sensor 1 No Signal | Honda |
| 1 | P1402 | EGR System Malfunction Detected (Open) | Nissan |
| 1 | P1403 | EGR Solenoid Control Circuit Low Voltage | Oldsmobile |
| 1 | P1404 | EGR Valve Closed Position Performance | Chevrolet |
| 1 | P1406 | EGR Valve Pintle Position Circuit Malfunction | Pontiac |
| 1 | P1408 | EGR Flow Out Of Self-Test Range | Ford |
| 1 | P1410 | Fuel Tank Pressure Control Solenoid Circuit Malfunction | Mazda |
| 1 | P1424 | EVAP System Leak Detection Pump Flow High/Low | Volkswagen |
| 1 | P1432 | Fuel Level Sensor 2 Low Voltage | Volkswagen |
| 1 | P1448 | EVAP Canister Vent Control Valve Malfunction (Open) | Nissan |
| 1 | P1453 | EVAP Vapor Pressure Sensor Circuit High Input | Mercedes-Benz |
| 1 | P1473 | Fan Secondary High with Fan(s) Off (Self Test) | Volkswagen |
| 1 | P1489 | High Speed Radiator Fan Relay Circuit Malfunction | Plymouth |
| 1 | P1490 | Low Speed Radiator Fan Relay Circuit Malfunction | Plymouth |
| 1 | P1495 | Leak Detection Pump Solenoid Circuit Malfunction | Plymouth |
| 1 | P1509 | Idle Speed High - IAC System Not Responding | Honda |
| 1 | P1516 | TAC Module Throttle Actuator Position Performance | GMC |
| 1 | P1566 | Engine Speed Too High - Cruise Control Disabled | Toyota |
| 1 | P1599 | A/C Pressure Sensor Circuit Low Voltage | Saturn |
| 1 | P1605 | Diagnostic Communication Line Malfunction | Nissan |
| 1 | P1631 | Theft Deterrent Fuel Enable Signal Not Correct | Saturn |
| 1 | P1636 | TCM Internal - External Watchdog Performance | Toyota |
| 1 | P1640 | Output Driver 1 Circuit Malfunction | Oldsmobile |
| 1 | P1681 | Control Module Throttle Position System Performance | Saab |
| 1 | P1682 | Ignition 1 Switch Circuit 2 Malfunction | GMC |
| 1 | P1685 | Smart Key Immobilizer Module Invalid Key | Chrysler |
| 1 | P1727 | 4C Hydraulic Pressure Test | BMW |
| 1 | P1860 | TCM PWM Solenoid Circuit Malfunction | Chevrolet |
| 1 | P2098 | Downstream Fuel System Lean - HO2S-22 (Bank 2 Sensor 2) | Chrysler |
| 1 | P2104 | ETC System Malfunction - Forced Idle | Ford |
| 1 | P2105 | Throttle Actuator Control System - Forced Engine Shutdown | Ford |
| 1 | P2110 | Electronic Throttle Control - Forced Limited RPM | Ford |
| 1 | P2119 | Throttle Closed Position Performance | Cadillac |
| 1 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | Nissan |
| 1 | P2172 | High Airflow / Vacuum Leak Detected (Instantaneous Accumulation) | Dodge |
| 1 | P2176 | Minimum Throttle Position Not Learned | GMC |
| 1 | P2177 | Fuel Trim System Lean At Cruise Or Acceleration (Bank 1) | Audi |
| 1 | P2285 | Injector Control Pressure Sensor Circuit Low Voltage | Ford |
| 1 | P2286 | Injector Control Pressure Sensor Circuit High Voltage | Ford |
| 1 | P2302 | Ignition Coil 1 Secondary Circuit Insufficient Ionization | Chrysler |
| 1 | P2509 | Power-Down Data Lost Error | Dodge |
| 1 | P2623 | Injector Control Pressure Regulator Circuit Malfunction | Dodge |
| 1 | P2626 | Heated Oxygen Sensor (Bank 1 Sensor 1) Pumping Current Trim Circuit | Dodge |
| 1 | P3002 | HV ECU Communication Malfunction | Toyota |
| 1 | P3190 | Poor Engine Power | Toyota |
| 1 | P3191 | Engine Does Not Start | Toyota |
| 1 | U0001 | CAN 'C' Bus | Dodge |
| 1 | U0107 | Throttle Actuator Control Serial Data Circuit Malfunction | GMC |
| 1 | U0121 | Lost Communication With Antilock Brake System Module | Chevrolet |
| 1 | U0140 | Lost Communication With BCM | Chevrolet |
| 1 | U0151 | Lost Communication With Sensing And Diagnostic Module | Land Rover |
| 1 | U0300 | PGM-FI System and A/T System Program Version Mismatch | Ford |
| 1 | U0402 | Implausible Data Received From TCM | Dodge |
| 1 | U1016 | Serial Communications Malfunction | Saturn |
| 1 | U1088 | Loss of Communication With Sensing And Diagnostic Module | Saturn |
| 1 | U1262 | Data Circuit Malfunction | Lincoln |
| 1 | U2106 | ECM - No Communication With Transmission Control Module | Cadillac |
