Diagnostic Trouble Code Index for August 2014
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 |
| 20 | P0300 | Multiple Cylinder Misfire Detected | Audi, BMW, Cadillac, Dodge, GMC, Honda, Jeep, Mazda, Mercedes-Benz, Nissan, Saab, Saturn, Toyota, Volkswagen |
| 7 | P0301 | Cylinder 1 Misfire Detected | Audi, BMW, GMC, Saturn, Toyota, Volkswagen |
| 7 | P0302 | Cylinder 2 Misfire Detected | Acura, Audi, Buick, Saturn, Toyota |
| 7 | P0303 | Cylinder 3 Misfire Detected | Audi, BMW, Ford, Saab, Saturn, Toyota |
| 7 | P0304 | Cylinder 4 Misfire Detected | Audi, BMW, Dodge, GMC, Honda, Toyota, Volkswagen |
| 6 | P0305 | Cylinder 5 Misfire Detected | BMW, Dodge, Ford, Honda, Mercedes-Benz, Saturn |
| 4 | P0171 | Fuel System Lean (Bank 1) | Audi, Chevrolet, Volkswagen |
| 4 | P0306 | Cylinder 6 Misfire Detected | Ford, Mercedes-Benz, Nissan, Saturn |
| 4 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Mazda, Pontiac, Toyota |
| 4 | U1000 | Class 2 Communication Malfunction | Chevrolet, Isuzu, Nissan |
| 3 | P0087 | Fuel Rail Pressure Too Low | Audi, Chevrolet, Volkswagen |
| 3 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Ford, Lincoln |
| 3 | P0299 | Turbocharger Engine Underboost | Dodge, Ford, Volkswagen |
| 3 | P0325 | Knock Sensor Circuit Malfunction | Acura, Kia, Toyota |
| 3 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Cadillac, Dodge, Mazda |
| 3 | P0340 | Camshaft Position Sensor Circuit Malfunction | Cadillac, Hyundai, Kia |
| 3 | P0341 | CMP Sensor Performance | Dodge, Porsche, Volkswagen |
| 3 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Dodge, Ford, Volkswagen |
| 3 | P0401 | Insufficient EGR Flow Detected | Mazda, Mitsubishi, Volkswagen |
| 3 | U1001 | Lost Communication With XXX Control Module | Nissan |
| 2 | P0016 | Crankshaft/Camshaft Timing Misalignment | Oldsmobile, Subaru |
| 2 | P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | Toyota |
| 2 | P0068 | Throttle Body Airflow Performance | Audi, Ford |
| 2 | P0088 | Fuel Rail Pressure Too High | BMW, Volkswagen |
| 2 | P0106 | MAP Sensor Performance | Chevrolet, Toyota |
| 2 | P0122 | TP Sensor Circuit Low Voltage | Chevrolet, GMC |
| 2 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | Nissan, Volkswagen |
| 2 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Ford, Lexus |
| 2 | P0356 | Ignition Coil 6 Control Circuit Malfunction | Ford, Lexus |
| 2 | P0651 | 5-Volt Reference 2 Circuit Malfunction | Chevrolet, GMC |
| 2 | P2135 | Throttle Position Sensor 1-2 Correlation Error | Chevrolet, GMC |
| 2 | P2196 | Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck Rich | Kia, Volkswagen |
| 2 | U0100 | Lost Communication With ECM/PCM | Chevrolet, Mazda |
| 1 | B1004 | loss of keep alive memory | Pontiac |
| 1 | C1201 | Engine Control System Fault | Toyota |
| 1 | C1223 | Fault in ABS Control System | Toyota |
| 1 | C1247 | Fault in ABS Stroke Sensor | Toyota |
| 1 | C1310 | can communication code | Toyota |
| 1 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Subaru |
| 1 | P0018 | Crankshaft Position - Intake Camshaft Position Correlation (Bank 2) | Subaru |
| 1 | P0019 | Crankshaft Position - Exhaust Camshaft Position Correlation (Bank 2) | Subaru |
| 1 | P0020 | Camshaft Position 'A' Actuator Circuit Malfunction (Bank 2) | Lexus |
| 1 | P0021 | Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2) | Subaru |
| 1 | P0022 | Camshaft Position 'A' Timing Over-Retarded (Bank 2) | Ford |
| 1 | P0045 | Turbocharger Vane Position Control Solenoid Control Circuit Malfunction | GMC |
| 1 | P0046 | Turbocharger Boost Control Circuit Performance | Ford |
| 1 | P0101 | MAF Sensor Performance | Chevrolet |
| 1 | P0102 | MAF Sensor Circuit Low Frequency | Chevrolet |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Dodge |
| 1 | P0113 | IAT Sensor Circuit High Voltage | Pontiac |
| 1 | P0120 | TP Sensor 1 Signal Circuit Malfunction | Chevrolet |
| 1 | P0121 | TP Sensor Performance | Toyota |
| 1 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Volkswagen |
| 1 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Nissan |
| 1 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Volkswagen |
| 1 | P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response | Kia |
| 1 | P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage | Nissan |
| 1 | P0152 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit High Voltage | Dodge |
| 1 | P0154 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity | Nissan |
| 1 | P0193 | Fuel Rail Pressure Sensor Circuit High Voltage | Mitsubishi Fuso |
| 1 | P0198 | Engine Oil Temperature Sensor Circuit High | Ford |
| 1 | P0205 | Fuel Injector 5 Control Circuit Malfunction | Ford |
| 1 | P0222 | Throttle Position Sensor 2 Circuit Low Voltage | Chevrolet |
| 1 | P0223 | Throttle Position Sensor 2 Circuit High Voltage | Chevrolet |
| 1 | P0243 | Supercharger Boost Solenoid Control Circuit Malfunction | Volkswagen |
| 1 | P0254 | Injector Pump Fuel Valve Current Too High | Mitsubishi Fuso |
| 1 | P0307 | Cylinder 7 Misfire Detected | BMW |
| 1 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 1 | P0320 | No Crank Reference Signal To PCM | Ford |
| 1 | P0330 | Knock Sensor 2 Circuit Malfunction | Toyota |
| 1 | P0336 | Crankshaft Position Sensor Performance | Oldsmobile |
| 1 | P0343 | CMP Sensor Circuit High Voltage | Lexus |
| 1 | P0353 | Ignition Coil 3 Control Circuit Malfunction | Ford |
| 1 | P0354 | Ignition Coil 4 Control Circuit Malfunction | Ford |
| 1 | P0355 | Ignition Coil 5 Control Circuit Malfunction | Ford |
| 1 | P0381 | Wait To Start Control Circuit Malfunction | Chevrolet |
| 1 | P0385 | Crankshaft Position Sensor 'B' Circuit Malfunction | Cadillac |
| 1 | P0388 | Crankshaft Position Sensor Supply Voltage Too High | Dodge |
| 1 | P0410 | Secondary Air System Performance | Cadillac |
| 1 | P0418 | Secondary Air System Pump Relay Control Circuit Malfunction (Bank 1) | Lexus |
| 1 | P0422 | Catalyst Efficiency Below Normal (Bank 1) | Honda |
| 1 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Mercury |
| 1 | P0499 | NVLD Canister Vent Solenoid Circuit High Voltage | Jeep |
| 1 | P0502 | VSS Circuit Low Input | Pontiac |
| 1 | P0505 | Idle Control System Malfunction | Dodge |
| 1 | P0556 | Brake Booster Pressure Sensor Performance | Acura |
| 1 | P0563 | System Voltage Too High | Kia |
| 1 | P0575 | Cruise Control Switch Signal Circuit Malfunction | Chevrolet |
| 1 | P0641 | 5-Volt Reference 1 Circuit Malfunction | GMC |
| 1 | P0642 | Sensor Reference Voltage 1 Circuit Low | Dodge |
| 1 | P0688 | ASD Relay Sense Circuit Low | Jeep |
| 1 | P0700 | Automatic Transmission System Malfunction Detected | Chevrolet |
| 1 | P0717 | Input Shaft Speed Sensor Low Input | Pontiac |
| 1 | P0727 | Engine Speed No Signal | GMC |
| 1 | P0783 | 3-4 Shift Error | Audi |
| 1 | P0827 | TAP Up / Down Shift Switch Circuit Low | GMC |
| 1 | P1081 | EVAP System - Medium Leak | Audi |
| 1 | P1176 | Electronic Throttle System Motor No. 1 Open or Shorted | Volkswagen |
| 1 | P1178 | Electronic Throttle System Motor Battery Voltage Open | Volkswagen |
| 1 | P1270 | Engine RPM / Vehicle Speed Limit Reached | Ford |
| 1 | P130A | Cylinder Disabling | Volkswagen |
| 1 | P132B | Turbo boost control A performance | Ford |
| 1 | P1345 | Camshaft To Crankshaft Position Correlation | Chevrolet |
| 1 | P1390 | Timing Belt Skipped One Tooth Or More | Plymouth |
| 1 | P1397 | System Voltage Out Of Self-Test Range | Porsche |
| 1 | P1408 | EGR Flow Out Of Self-Test Range | Ford |
| 1 | P1442 | EVAP Vacuum Switch Circuit Malfunction | Toyota |
| 1 | P1445 | EVAP Canister Purge Volume Control Valve Malfunction | Toyota |
| 1 | P1460 | Wide Open Throttle A/C Cut-Off Relay Circuit Malfunction | Ford |
| 1 | P1474 | Fan Control Relay Control Circuit Malfunction | Ford |
| 1 | P1504 | Idle Air Control Solenoid Circuit Malfunction | Ford |
| 1 | P1518 | Throttle Actuator Control Module Serial Data Malfunction | Chevrolet |
| 1 | P1602 | Powertrain Control Module Not Programmed | Audi |
| 1 | P1618 | Sensor Reference Voltage 1 Circuit Erratic | Dodge |
| 1 | P1768 | Transmission Relay Output Always Off | Dodge |
| 1 | P1775 | Solenoid Switch Latched In TCC Position | Jaguar |
| 1 | P1777 | Step Motor - Circuit Malfunction | Jaguar |
| 1 | P2015 | Intake Manifold Runner Position Sensor Performance | Volkswagen |
| 1 | P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) | BMW |
| 1 | P2097 | Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2) | Kia |
| 1 | P2098 | Downstream Fuel System Lean - HO2S-22 (Bank 2 Sensor 2) | Dodge |
| 1 | P2100 | Electronic Throttle Control Motor Circuit / Open (Bank 1) | Nissan |
| 1 | P2101 | Control Module Throttle Actuator Position Performance | Nissan |
| 1 | P2103 | Throttle Actuator Control Motor Circuit High Input | Toyota |
| 1 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | Dodge |
| 1 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | GMC |
| 1 | P2238 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Pumping Current Signal Low | Toyota |
| 1 | P2251 | Heated Oxygen Sensor (Bank 1 Sensor 1) Reference Ground Circuit | Volkswagen |
| 1 | P2263 | Turbo/Super Charger System Performance | Ford |
| 1 | P2290 | Injector Control Pressure Too Low | Ford |
| 1 | P2445 | Secondary Air Injection System Pump Stuck Off (Bank 1) | Lexus |
| 1 | P245A | EGR Cooler Bypass Control Circuit / Open | Dodge |
| 1 | P2600 | Coolant Pump Control Circuit / Open | Volvo |
| 1 | P260D | low fuel psi | Volvo |
| 1 | P2626 | Heated Oxygen Sensor (Bank 1 Sensor 1) Pumping Current Trim Circuit | Kia |
| 1 | P307A | intake system air flow too low | Audi |
| 1 | P310B | Low pressure fuel regulation | Audi |
| 1 | U0102 | lost communication with Transfer case control module | Chevrolet |
| 1 | U0109 | Lost communication with fuel pump control module | Chevrolet |
| 1 | U0121 | Lost Communication With Antilock Brake System Module | Chevrolet |
| 1 | U0140 | Lost Communication With BCM | Chevrolet |
| 1 | U1016 | Serial Communications Malfunction | Chevrolet |
| 1 | U1041 | Loss of Electronic Brake Controller Communication | Chevrolet |
| 1 | U1064 | Lost Communication With BCM or VCD Module | Chevrolet |
| 1 | U1135 | Data Circuit Message | Jaguar |
| 1 | U1255 | Class 2 Communication Malfunction | Chevrolet |
| 1 | U1262 | Data Circuit Malfunction | Mercury |
| 1 | U1301 | Class 2 Data Line Short To Voltage | Chevrolet |
| 1 | U1403 | Implausible Fuel Level Signal Received | Chrysler |
| 1 | U1564 | Nissan |
