Diagnostic Trouble Code Index for May 2019
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 |
| 6 | P0171 | Fuel System Lean (Bank 1) | Chrysler, Ford, Lexus, Mercedes-Benz |
| 5 | P0300 | Multiple Cylinder Misfire Detected | Chevrolet, Jeep, Lexus, Ram, Volkswagen |
| 5 | P0304 | Cylinder 4 Misfire Detected | Ford, Honda, Mercedes-Benz, Nissan |
| 3 | P0301 | Cylinder 1 Misfire Detected | Mini, Nissan, Volkswagen |
| 3 | P0302 | Cylinder 2 Misfire Detected | Chevrolet, Jeep, Volkswagen |
| 3 | P0303 | Cylinder 3 Misfire Detected | Ford, Mercedes-Benz, Volkswagen |
| 3 | P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) | Mazda, Subaru |
| 3 | U0101 | Lost Communication With TCM | Chevrolet, Ford |
| 2 | P0011 | Intake Camshaft Position System Performance | Chevrolet, Volkswagen |
| 2 | P0087 | Fuel Rail Pressure Too Low | Volkswagen |
| 2 | P0102 | MAF Sensor Circuit Low Frequency | Mercedes-Benz, Nissan |
| 2 | P0174 | Fuel System Lean (Bank 2) | Ford |
| 2 | P0299 | Turbocharger Engine Underboost | Chevrolet, Volkswagen |
| 2 | P0341 | CMP Sensor Performance | Volkswagen |
| 2 | P3000 | HV Battery Malfunction | Chevrolet, Toyota |
| 1 | B1201 | fuel sender circuit fault | Ford |
| 1 | B1213 | Less Than Two Keys Programmed To The System | Mercury |
| 1 | C0000 | Vehicle speed info circuit malfunction | Chevrolet |
| 1 | P0012 | Camshaft Position 'A' Over-Retarded (Bank 1) | Volvo |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Volkswagen |
| 1 | P0018 | Crankshaft Position - Intake Camshaft Position Correlation (Bank 2) | Volvo |
| 1 | P0089 | Fuel Pressure Regulator Performance | Chevrolet |
| 1 | P0090 | Fuel Pressure Regulator 1 Control Circuit Malfunction | Chevrolet |
| 1 | P0093 | Fuel System Large Leak Detected | Isuzu |
| 1 | P0103 | MAF Sensor Circuit High Frequency | Kia |
| 1 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Chevrolet |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Toyota |
| 1 | P0158 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High Voltage | Toyota |
| 1 | P0172 | Fuel System Rich (Bank 1) | Chevrolet |
| 1 | P0204 | Fuel Injector 4 Control Circuit Malfunction | Mercedes-Benz |
| 1 | P0278 | Cylinder 6 Balance System Malfunction | Mercedes-Benz |
| 1 | P0326 | Knock Sensor Performance | Kia |
| 1 | P0328 | Knock Sensor Circuit High Voltage (Bank 1) | Chevrolet |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Hyundai |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Dodge |
| 1 | P043E | EVAP System Reference Orifice Clog Up | Volvo |
| 1 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Chevrolet |
| 1 | P0446 | EVAP Vent System Performance | Buick |
| 1 | P0453 | Fuel Tank Pressure Sensor Circuit High Voltage | Ford |
| 1 | P0505 | Idle Control System Malfunction | Toyota |
| 1 | P0513 | Invalid SKIM Key Detected | Buick |
| 1 | P0563 | System Voltage Too High | Mercedes-Benz |
| 1 | P0650 | Malfunction Indicator Lamp Circuit Malfunction | Hyundai |
| 1 | P0685 | Engine Controls Ignition Relay Control Circuit Malfunction | Dodge |
| 1 | P0688 | ASD Relay Sense Circuit Low | Dodge |
| 1 | P0700 | Automatic Transmission System Malfunction Detected | Chevrolet |
| 1 | P0726 | Engine Speed Sensor Circuit Performance | Nissan |
| 1 | P080A | Clutch Pedal Position Not Learned | Chevrolet |
| 1 | P0A80 | Replace Hybrid Battery Pack | Toyota |
| 1 | P1087 | Tumble Generator Valve Position Sensor 2 High Input | GMC |
| 1 | P1260 | Immobilizer System Malfunction | Mercury |
| 1 | P1290 | CNG Pressure Sensor Circuit High Voltage | Audi |
| 1 | P1399 | Random misfire | Honda |
| 1 | P1507 | Idle Air Control System RPM Lower Than Expected | Ram |
| 1 | P1516 | TAC Module Throttle Actuator Position Performance | Chevrolet |
| 1 | P1572 | Brake Pedal Stuck On | Nissan |
| 1 | P1632 | Theft Deterrent Fuel Disable Signal Received | Chevrolet |
| 1 | P164B | Oil Pressure Switch Malfunction 5580 | Volkswagen |
| 1 | P1657 | Skip Shift 1-4 Upshift Solenoid Control Circuit Malfunction | Ford |
| 1 | P1670 | Output Driver 4 Voltage High Voltage | Buick |
| 1 | P1682 | Ignition 1 Switch Circuit 2 Malfunction | Chevrolet |
| 1 | P2083 | Differential Pressure Sensor Pressure Too High | Mercedes-Benz |
| 1 | P2090 | Camshaft Position Actuator Circuit Low (Bank 2) | Mercedes-Benz |
| 1 | P2106 | Electronic Throttle Control System - Forced Limited Power | Dodge |
| 1 | P2118 | Electronic Throttle Control - Motor Current Performance | Scion |
| 1 | P2227 | BARO Sensor Performance | Chevrolet |
| 1 | P2257 | ECM Internal Error | Mercedes-Benz |
| 1 | P2270 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Lean | Chevrolet |
| 1 | P2279 | Intake Air System Leak | Audi |
| 1 | P228C | Fuel Pressure Regulator 1 Exceeded Control Limits Pressure Too Low | Chevrolet |
| 1 | P3190 | Poor Engine Power | Lexus |
| 1 | P3390 | Position sensor 1 for the crankshaft has a sporadic malfunction. | Mercedes-Benz |
| 1 | P3400 | Cylinder Deactivation System Performance | Honda |
| 1 | U0010 | Can bus trans | Ram |
| 1 | U0020 | eps can c bus off performance | Ram |
| 1 | U0100 | Lost Communication With ECM/PCM | Ford |
| 1 | U0102 | lost communication with Transfer case control module | Ford |
| 1 | U0140 | Lost Communication With BCM | Ford |
| 1 | U0151 | Lost Communication With Sensing And Diagnostic Module | Ford |
| 1 | U0155 | No Cluster Bus Message | Ford |
| 1 | U0200 | S.p.i. Data in low | Ram |
| 1 | U0730 | Control module comm bus off bus | Buick |
| 1 | U1010 | Controller Area Network Communication | Buick |
| 1 | U1210 | DVD-ROM Seek | Buick |
| 1 | U1260 | Data Circuit Message | Ram |
| 1 | U1400 | Implausible Throttle Position Sensor Signal Received | Buick |
| 1 | U1900 | CAN System Communication Error | Ford |
| 1 | U2120 | Loss of comm with shifter control module | Ram |
| 1 | U4180 | no comm EBCM | Buick |
