Diagnostic Trouble Code Index for May 2020
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 |
| 3 | P0300 | Multiple Cylinder Misfire Detected | Chevrolet, Ram, Toyota |
| 3 | P0301 | Cylinder 1 Misfire Detected | Audi, Toyota |
| 3 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Chevrolet |
| 2 | P0302 | Cylinder 2 Misfire Detected | Ford, Subaru |
| 2 | P0305 | Cylinder 5 Misfire Detected | Ford, Toyota |
| 2 | P0306 | Cylinder 6 Misfire Detected | Ford, Subaru |
| 2 | P0442 | EVAP System Small Leak Detected | Mazda |
| 2 | P1239 | Engine Oil Temperature Too Low | Mercedes-Benz |
| 1 | B2618 | Pass. compartment circuit dimming circuit high | Chevrolet |
| 1 | B2655 | Pass. compartment dimming circuit high | Chevrolet |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Mercedes-Benz |
| 1 | P0032 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit High Voltage | Chrysler |
| 1 | P0038 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Voltage | Chrysler |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Chevrolet |
| 1 | P0148 | Fuel Delivery Error | Ford |
| 1 | P0171 | Fuel System Lean (Bank 1) | Honda |
| 1 | P0172 | Fuel System Rich (Bank 1) | Ford |
| 1 | P0174 | Fuel System Lean (Bank 2) | Infiniti |
| 1 | P0175 | Fuel System Rich (Bank 2) | Ford |
| 1 | P0191 | Fuel Rail Pressure Sensor Performance | Chevrolet |
| 1 | P0201 | Fuel Injector 1 Control Circuit Malfunction | Chrysler |
| 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 | Chrysler |
| 1 | P0263 | Cylinder 1 Balance System Malfunction | Ford |
| 1 | P0266 | Cylinder 2 Balance System Malfunction | Ford |
| 1 | P0303 | Cylinder 3 Misfire Detected | Toyota |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Chevrolet |
| 1 | P0453 | Fuel Tank Pressure Sensor Circuit High Voltage | Ford |
| 1 | P0456 | EVAP System Very Small Leak Detected | Dodge |
| 1 | P0505 | Idle Control System Malfunction | BMW |
| 1 | P050A | Cold Start Idle Air Control System Performance | Kia |
| 1 | P0599 | Engine coolant thermostat HEATER control circuit high voltage | Chevrolet |
| 1 | P061B | Internal Control Module Torque Calculation Performance | Ford |
| 1 | P0642 | Sensor Reference Voltage 1 Circuit Low | Dodge |
| 1 | P0734 | Gear Ratio Error In Fourth | Ford |
| 1 | P0806 | Clutch Pedal Position Sensor Circuit Range/Performance | Saturn |
| 1 | P2077 | Intake Manifold Tuning Valve Position Sensor Circuit Low Voltage | Chevrolet |
| 1 | P2106 | Electronic Throttle Control System - Forced Limited Power | Ford |
| 1 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | Dodge |
| 1 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Nissan |
| 1 | P2172 | High Airflow / Vacuum Leak Detected (Instantaneous Accumulation) | Fiat |
| 1 | P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean | Ford |
| 1 | P2198 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Rich" | Ford |
| 1 | P2201 | Immobilizer CAN Message Error | Mercedes-Benz |
| 1 | P2273 | Heated Oxygen Sensor (Bank 2 Sensor 2) Signal Biased Rich | Ford |
| 1 | P229F | Nox sensor circuit range/performance bank1 snsr 2 | Mercedes-Benz |
| 1 | P2301 | Ignition Coil 1 Control Circuit High Voltage | Chevrolet |
| 1 | P2614 | Camshaft Position Output Circuit Malfunction | Ford |
| 1 | P2617 | Crankshaft Position Signal Output Circuit Malfunction | Ford |
| 1 | P3089 | signal line for fuel pump electronics vag code is 012425 | Audi |
| 1 | U0073 | Control Module Communication Bus Off | Chevrolet |
| 1 | U0101 | Lost Communication With TCM | Chevrolet |
| 1 | U0121 | Lost Communication With Antilock Brake System Module | Chevrolet |
| 1 | U0140 | Lost Communication With BCM | Chevrolet |
| 1 | U1000 | Class 2 Communication Malfunction | Chevrolet |
| 1 | U1064 | Lost Communication With BCM or VCD Module | Chevrolet |
| 1 | U1255 | Class 2 Communication Malfunction | Chevrolet |
