Diagnostic Trouble Code Index for February 2016
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 |
| 15 | P0300 | Multiple Cylinder Misfire Detected | Cadillac, Chevrolet, GMC, Honda, Land Rover, Lexus, Mercedes-Benz, Nissan, Toyota, Volkswagen |
| 9 | P0171 | Fuel System Lean (Bank 1) | Cadillac, Chevrolet, GMC, Lexus, Mazda, Pontiac, Volkswagen |
| 7 | P0174 | Fuel System Lean (Bank 2) | Cadillac, Chevrolet, Ford, GMC, Mazda, Pontiac |
| 6 | P0303 | Cylinder 3 Misfire Detected | Ford, Honda, Lexus, Mercedes-Benz, Toyota, Volkswagen |
| 5 | P0301 | Cylinder 1 Misfire Detected | Dodge, Honda, Lexus, Toyota, Volkswagen |
| 5 | P0304 | Cylinder 4 Misfire Detected | Chevrolet, Ford, Honda, Land Rover, Volkswagen |
| 4 | P0011 | Intake Camshaft Position System Performance | Audi, Chevrolet, Saturn, Volvo |
| 4 | P0101 | MAF Sensor Performance | GMC, Nissan, Volkswagen |
| 4 | P0302 | Cylinder 2 Misfire Detected | Dodge, Honda, Toyota, Volkswagen |
| 3 | P0021 | Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2) | Mercedes-Benz, Nissan, Porsche |
| 3 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | GMC, Toyota |
| 3 | P0191 | Fuel Rail Pressure Sensor Performance | Chevrolet, Ford |
| 3 | P0305 | Cylinder 5 Misfire Detected | Honda, Lexus, Toyota |
| 3 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | GMC, Jeep, Toyota |
| 2 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | GMC, Saab |
| 2 | P0113 | IAT Sensor Circuit High Voltage | Ford, Subaru |
| 2 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Cadillac, Ford |
| 2 | P0306 | Cylinder 6 Misfire Detected | Land Rover, Toyota |
| 2 | P0307 | Cylinder 7 Misfire Detected | Lexus, Toyota |
| 2 | P0441 | EVAP Purge System Performance | Audi, Dodge |
| 2 | P0456 | EVAP System Very Small Leak Detected | Chrysler, Mercedes-Benz |
| 2 | P1312 | ION Sensing Module Secondary Line 2 Circuit Malfunction | Isuzu, Saab |
| 2 | P2196 | Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck Rich | Ford |
| 2 | P2638 | Torque Management Feedback Signal Performance | Chrysler |
| 2 | U1000 | Class 2 Communication Malfunction | Nissan |
| 1 | B1261 | ECU has stopped communicating | Lexus |
| 1 | B1C57 | Passive start igition relay circuit | Land Rover |
| 1 | C0121 | torqe request signal denied | Chrysler |
| 1 | C1130 | engine 1 fuel cut system fault | Nissan |
| 1 | P0013 | Exhaust Camshaft Position Actuator Solenoid Control Circuit (Bank 1) | Mercedes-Benz |
| 1 | P0014 | Exhaust Camshaft Position System Performance | Volvo |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Saturn |
| 1 | P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | Jeep |
| 1 | P0037 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Voltage | Jeep |
| 1 | P0046 | Turbocharger Boost Control Circuit Performance | Ford |
| 1 | P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage | Jeep |
| 1 | P0053 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance | Ford |
| 1 | P0054 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Resistance | Ford |
| 1 | P0057 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Low Voltage | Jeep |
| 1 | P0059 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Resistance | Ford |
| 1 | P0060 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Resistance | Ford |
| 1 | P0087 | Fuel Rail Pressure Too Low | Dodge |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Subaru |
| 1 | P0116 | ECT Sensor Performance | Saab |
| 1 | P0118 | ECT Sensor Circuit High Voltage | Subaru |
| 1 | P0122 | TP Sensor Circuit Low Voltage | Dodge |
| 1 | P0123 | TP Sensor Circuit High Voltage | Subaru |
| 1 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Jeep |
| 1 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Saab |
| 1 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Ford |
| 1 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Toyota |
| 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 | Ford |
| 1 | P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage | GMC |
| 1 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Ford |
| 1 | P0172 | Fuel System Rich (Bank 1) | GMC |
| 1 | P0175 | Fuel System Rich (Bank 2) | Chevrolet |
| 1 | P0183 | Fuel Tank Temperature Sensor Circuit High Voltage | Subaru |
| 1 | P0223 | Throttle Position Sensor 2 Circuit High Voltage | Subaru |
| 1 | P0230 | Fuel Pump Relay Control Circuit Malfunction | Dodge |
| 1 | P0278 | Cylinder 6 Balance System Malfunction | Ford |
| 1 | P0316 | Misfire Occurred In First 1,000 Revolutions | Land Rover |
| 1 | P0321 | Crankshaft Position Sensor Circuit Range/Performance | Volkswagen |
| 1 | P0325 | Knock Sensor Circuit Malfunction | Subaru |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Nissan |
| 1 | P0336 | Crankshaft Position Sensor Performance | Mercedes-Benz |
| 1 | P0337 | CKP Sensor Circuit Low Duty Cycle | Chevrolet |
| 1 | P0340 | Camshaft Position Sensor Circuit Malfunction | Subaru |
| 1 | P0341 | CMP Sensor Performance | Dodge |
| 1 | P0344 | Camshaft Position Sensor Signal Intermittent | Ram |
| 1 | P0366 | Exhaust Camshaft Position Sensor Performance | Saturn |
| 1 | P0403 | EGR Solenoid Control Circuit Malfunction | Ford |
| 1 | P0405 | EGR Position Sensor Circuit Low Voltage | Ford |
| 1 | P0410 | Secondary Air System Performance | Mercedes-Benz |
| 1 | P0411 | Secondary AIR System Incorrect Airflow Detected | Volkswagen |
| 1 | P0412 | Secondary Air System Solenoid Circuit Malfunction | Toyota |
| 1 | P0421 | Warmup Catalyst Efficiency Low (Bank 1) | Jeep |
| 1 | P0422 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | GMC |
| 1 | P0431 | Warmup Catalyst Efficiency Low (Bank 2) | Jeep |
| 1 | P0440 | General EVAP System Failure | Toyota |
| 1 | P0446 | EVAP Vent System Performance | Ford |
| 1 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | Pontiac |
| 1 | P0460 | Fuel Level Sensing Unit No Change Over Miles | Ford |
| 1 | P0463 | Fuel Level Sensor High Voltage | Jeep |
| 1 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Subaru |
| 1 | P0505 | Idle Control System Malfunction | Infiniti |
| 1 | P0533 | A/C Refrigerant Pressure Sensor Circuit High Voltage | Jeep |
| 1 | P0575 | Cruise Control Switch Signal Circuit Malfunction | Chevrolet |
| 1 | P0599 | manufacture specific | Chevrolet |
| 1 | P0600 | Serial Communication Link | Chrysler |
| 1 | P0603 | Control Module Long Term Memory Reset | Ford |
| 1 | P0627 | Fuel Pump Relay Control Circuit Malfunction | Dodge |
| 1 | P0645 | A/C Clutch Relay Circuit Malfunction | Dodge |
| 1 | P064C | Glow Plug Module Control Performance | GMC |
| 1 | P0688 | ASD Relay Sense Circuit Low | Jeep |
| 1 | P069E | Fuel Pump Control Module (FPCM) Requested MIL Illumination | Chevrolet |
| 1 | P0700 | Automatic Transmission System Malfunction Detected | Chevrolet |
| 1 | P0725 | Engine Speed Sensor Circuit Malfunction | Nissan |
| 1 | P0731 | Gear Ratio Error In First | Chrysler |
| 1 | P0A0A | High Voltage System Interlock Circuit Malfunction | Ford |
| 1 | P106B | Evaporative emission system pressure sensor - secondary air injection pressure sensor correlation | Lexus |
| 1 | P1121 | TP Sensor Circuit Intermittent High Voltage | Ford |
| 1 | P1174 | Fuel Trim Cylinder Balance | Chevrolet |
| 1 | P1210 | Injection Control System Pressure Above Expected Level | Ford |
| 1 | P1211 | ABS/TCS Control Unit Malfunction | Ford |
| 1 | P1235 | Fuel Pump Control Out-Of-Range | Ford |
| 1 | P1260 | Immobilizer System Malfunction | Ford |
| 1 | P1310 | Igniter 3 Circuit Malfunction | Toyota |
| 1 | P1311 | ION Sensing Module Secondary Line 1 Circuit Malfunction | Isuzu |
| 1 | P1330 | Igniter No. 7 Circuit Malfunction | Mercedes-Benz |
| 1 | P1349 | Variable Valve Timing System (Bank 1) | Lexus |
| 1 | P1354 | Variable Valve Timing System (Bank 2) | Toyota |
| 1 | P1409 | EGR Vacuum Regulator Solenoid Circuit Malfunction | Ford |
| 1 | P1432 | Fuel Level Sensor 2 Low Voltage | Porsche |
| 1 | P144A | EVAP Fault | Ford |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 1 | P1507 | Idle Air Control System RPM Lower Than Expected | Subaru |
| 1 | P150C | TCM Engine Speed Request Circuit Malfunction | Chevrolet |
| 1 | P1520 | Stop Light Switch Circuit Malfunction | Cadillac |
| 1 | P1530 | Air Condition 1 Switch Circuit Intermittent | Mercedes-Benz |
| 1 | P1540 | Air Conditioning Refrigerant Over-Pressure - Air Conditioning Disabled | Subaru |
| 1 | P1545 | Air Conditioning Clutch Relay Control Circuit Malfunction | Audi |
| 1 | P1564 | ASCD Steering Switch Circuit Malfunction | Audi |
| 1 | P1578 | Brake System Malfunction | Audi |
| 1 | P1579 | P/N To D/R At High TP Angle - Power Reduction Mode On | Audi |
| 1 | P1611 | NATS ID DISCORD, IMM-PCM | Cadillac |
| 1 | P1688 | Unmanaged Engine Torque Signal Delivered To TCM | Dodge |
| 1 | P1693 | Transponder No Response Error / Invalid Response | Dodge |
| 1 | P1698 | No CCD Messages Received From TCM | Dodge |
| 1 | P1A0A | Immediate Shutdown Signal | Ford |
| 1 | P1A10 | Hybrid Battery 1 Temperature Sensor Performance | Ford |
| 1 | P1A14 | Hybrid Battery 2 Temperature Sensor Circuit Low Voltage | Ford |
| 1 | P2043 | Camshaft Position Sensor No Signal / Signal Faulty | Dodge |
| 1 | P2047 | Fuel Rail Pressure Volume Control - Maximum Fuel Pressure Exceeded | Dodge |
| 1 | P2050 | Misfiring damages twc | Mercedes-Benz |
| 1 | P2052 | Fuel Rail Pressure Sensor Implausible | Mercedes-Benz |
| 1 | P2054 | Engine Coolant Temperature Sensor Circuit Signal Voltage Too Low | Mercedes-Benz |
| 1 | P2074 | Manifold Pressure/Throttle Position Correlation - High Flow/Vacuum Leak | Jeep |
| 1 | P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) | Jeep |
| 1 | P2098 | Downstream Fuel System Lean - HO2S-22 (Bank 2 Sensor 2) | Jeep |
| 1 | P2100 | Electronic Throttle Control Motor Circuit / Open (Bank 1) | Dodge |
| 1 | P2114 | Misfire Cylinder 2 | Dodge |
| 1 | P2118 | Electronic Throttle Control - Motor Current Performance | Dodge |
| 1 | P2119 | Throttle Closed Position Performance | Dodge |
| 1 | P2179 | Fuel Trim System Lean At Cruise Or Acceleration (Bank 2) | Audi |
| 1 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Audi |
| 1 | P2188 | Fuel Trim System Rich At Idle (Bank 1) | Audi |
| 1 | P2198 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Rich" | Ford |
| 1 | P2238 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Pumping Current Signal Low | Lexus |
| 1 | P2279 | Intake Air System Leak | Audi |
| 1 | P2290 | Injector Control Pressure Too Low | Ford |
| 1 | P2544 | Transmission Torque Request Circuit Malfunction | Chevrolet |
| 1 | U0002 | CAN 'C' Bus Off Performance | Chrysler |
| 1 | U0073 | Control Module Communication Bus Off | Chevrolet |
| 1 | U0100 | Lost Communication With ECM/PCM | Chrysler |
| 1 | U0101 | Lost Communication With TCM | Chevrolet |
| 1 | U0126 | Lost Communication With Steering Angle Sensor Module | Chrysler |
| 1 | U1147 | Data Circuit Malfunction | Ford |
| 1 | U1262 | Data Circuit Malfunction | Ford |
| 1 | U1411 | Implausible Fuel Volume Signal Received | Jeep |
| 1 | U1414 | Implausible/missing ECU network configuration data - stored in Airbag module | Jeep |
| 1 | U1415 | Implausible/missing vehicle configuration data - stored in Airbag module | Jeep |
| 1 | U1504 | Wrong data from steering angle sensor | Chrysler |
