Diagnostic Trouble Code Index for April 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 |
| 9 | P0300 | Multiple Cylinder Misfire Detected | Acura, BMW, Buick, Chevrolet, Infiniti |
| 3 | P0011 | Intake Camshaft Position System Performance | Infiniti, Kia, Volkswagen |
| 3 | P0171 | Fuel System Lean (Bank 1) | GMC, Hyundai, Nissan |
| 3 | P0174 | Fuel System Lean (Bank 2) | BMW, Hyundai, Land Rover |
| 3 | P0301 | Cylinder 1 Misfire Detected | BMW, Ford, Honda |
| 3 | P0302 | Cylinder 2 Misfire Detected | Acura, BMW, Chevrolet |
| 2 | P0016 | Crankshaft/Camshaft Timing Misalignment | BMW, Volkswagen |
| 2 | P0341 | CMP Sensor Performance | Honda, Volkswagen |
| 2 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Hyundai |
| 1 | B1687 | Engine coolant temp sensor | Hyundai |
| 1 | B2796 | No Communication With The Immobilizer System | Toyota |
| 1 | C0243 | Engine drag control | Cadillac |
| 1 | C0244 | Pulse width torque command | Cadillac |
| 1 | C0340 | Cam sensor circuit bank 1 | Infiniti |
| 1 | C0931 | fault in can communication | Mercedes-Benz |
| 1 | C1358 | can con for ecm is faulty | Mercedes-Benz |
| 1 | C2103 | Mercedes-Benz | |
| 1 | P0004 | Fuel Quality Control Circuit High | Volkswagen |
| 1 | P0012 | Camshaft Position 'A' Over-Retarded (Bank 1) | Hyundai |
| 1 | P0014 | Exhaust Camshaft Position System Performance | Kia |
| 1 | P003A | Turbocharger Boost Control Position Not Learned | Chevrolet |
| 1 | P0100 | Mass Airflow Sensor Circuit Malfunction | Toyota |
| 1 | P0106 | MAP Sensor Performance | Chevrolet |
| 1 | P0110 | Intake Air Temperature Sensor Circuit Malfunction | Toyota |
| 1 | P0154 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity | Suzuki |
| 1 | P0178 | Fuel Composition Sensor Low Frequency | Mercedes-Benz |
| 1 | P0219 | Engine Overspeed Condition | Chevrolet |
| 1 | P0234 | Turbocharger Engine Overboost | Ford |
| 1 | P0303 | Cylinder 3 Misfire Detected | BMW |
| 1 | P0304 | Cylinder 4 Misfire Detected | BMW |
| 1 | P0305 | Cylinder 5 Misfire Detected | Ford |
| 1 | P0306 | Cylinder 6 Misfire Detected | Acura |
| 1 | P0320 | No Crank Reference Signal To PCM | Ford |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Acura |
| 1 | P0336 | Crankshaft Position Sensor Performance | Honda |
| 1 | P0345 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Toyota |
| 1 | P0365 | Exhaust Camshaft Position Sensor Circuit Malfunction | Toyota |
| 1 | P0390 | Exhaust Camshaft Position Sensor Circuit Malfunction (Bank 2) | Toyota |
| 1 | P0401 | Insufficient EGR Flow Detected | Chevrolet |
| 1 | P0407 | EGR Position Sensor 'B' Circuit Low Voltage | Ford |
| 1 | P0421 | Warmup Catalyst Efficiency Low (Bank 1) | Mazda |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Land Rover |
| 1 | P0444 | EVAP Canister Purge Volume Control Solenoid Circuit Low Voltage | Hyundai |
| 1 | P0449 | EVAP Vent Solenoid Control Circuit Malfunction | Buick |
| 1 | P0455 | EVAP System Large Leak Detected | Hyundai |
| 1 | P0471 | Exhaust Backpressure Circuit Range/Performance | Ford |
| 1 | P0488 | EGR Airflow Throttle Control Circuit Performance | Ford |
| 1 | P0506 | Idle Speed Low | GMC |
| 1 | P0507 | Idle Speed High | Volkswagen |
| 1 | P0603 | Control Module Long Term Memory Reset | Ford |
| 1 | P0700 | Automatic Transmission System Malfunction Detected | Chevrolet |
| 1 | P1247 | Fuel Injector 8 Control Circuit Shorted | Ford |
| 1 | P1248 | AWD Plausibility | Ford |
| 1 | P1289 | Manifold Tuning Valve Control Circuit Malfunction | Ford |
| 1 | P132B | Turbocharger Boost Control A Performance | Ford |
| 1 | P1330 | Igniter No. 7 Circuit Malfunction | Kia |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Dodge |
| 1 | P1412 | EGR Vacuum Regulator Solenoid Circuit Malfunction | Land Rover |
| 1 | P146B | oil pressure switch | Volkswagen |
| 1 | P154B | Intake Air (IA) Heater Signal Circuit Malfunction | GMC |
| 1 | P1558 | Battery Module Temperature Sensor Signal 3 Circuit High Voltage | Ford |
| 1 | P161A | same as above | Ford |
| 1 | P1D03 | The vent valve for the crankcase has an electrical fault. There is an open circut | Mercedes-Benz |
| 1 | P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) | Kia |
| 1 | P2176 | Minimum Throttle Position Not Learned | Mercedes-Benz |
| 1 | P2177 | Fuel Trim System Lean At Cruise Or Acceleration (Bank 1) | Mazda |
| 1 | P2189 | Fuel Trim System Lean At Idle (Bank 2) | Hyundai |
| 1 | P218F | Reductant no flow detected | Ford |
| 1 | P2196 | Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck Rich | Kia |
| 1 | P2441 | Secondary Air Injection System Switching Valve Stuck Closed | Subaru |
| 1 | P2444 | Secondary Air Injection System Control/Shut-Off Valve Stuck On | Subaru |
| 1 | P2A01 | Heated Oxygen Sensor (Bank 1 Sensor 2) Closed Loop Performance | Jaguar |
| 1 | P2A04 | Heated Oxygen Sensor (Bank 2 Sensor 2) Closed Loop Performance | Jaguar |
| 1 | P3410 | The position sensor for the intake camshaft has a malfunction | Mercedes-Benz |
| 1 | U0101 | Lost Communication With TCM | Ram |
| 1 | U0121 | Lost Communication With Antilock Brake System Module | Ford |
| 1 | U0151 | Lost Communication With Sensing And Diagnostic Module | Chevrolet |
| 1 | U0293 | Lost Communication With HV/ECU | Chevrolet |
| 1 | U0420 | Invalid data received from power steering control module | Chevrolet |
| 1 | U1000 | Class 2 Communication Malfunction | Cadillac |
| 1 | U1817 | lost comm w/ hybrid/EV PCM symp 00 | Chevrolet |
