Diagnostic Trouble Code Index for August 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 |
| 5 | P0300 | Multiple Cylinder Misfire Detected | Chrysler, Honda, Hyundai, Mercedes-Benz |
| 4 | P0087 | Fuel Rail Pressure Too Low | Audi, Ford, Honda, Mercedes-Benz |
| 3 | P0302 | Cylinder 2 Misfire Detected | Ford, Hyundai, Mercedes-Benz |
| 2 | P0171 | Fuel System Lean (Bank 1) | Ford, Subaru |
| 2 | P0299 | Turbocharger Engine Underboost | Audi, Ford |
| 2 | U1000 | Class 2 Communication Malfunction | Chevrolet, Nissan |
| 1 | B1213 | Less Than Two Keys Programmed To The System | Ford |
| 1 | B1600 | PATS Ignition Key Transponder Signal Not Received | Ford |
| 1 | B1602 | PATS Received Invalid Format of Key Code From Ignition Key Transponder | Ford |
| 1 | B1681 | PATS Receiver Module Signal Not Received | Ford |
| 1 | C121C | Torque request signal denied | Chrysler |
| 1 | C124D | esp not calibrated | Chrysler |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Chrysler |
| 1 | P0018 | Crankshaft Position - Intake Camshaft Position Correlation (Bank 2) | Land Rover |
| 1 | P0019 | Crankshaft Position - Exhaust Camshaft Position Correlation (Bank 2) | Land Rover |
| 1 | P0021 | Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2) | Nissan |
| 1 | P0032 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit High Voltage | Chrysler |
| 1 | P0088 | Fuel Rail Pressure Too High | Mercedes-Benz |
| 1 | P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response | Land Rover |
| 1 | P0159 | Heated Oxygen Sensor (Bank 2 Sensor 2) Slow Response | Land Rover |
| 1 | P0198 | Engine Oil Temperature Sensor Circuit High | Mercedes-Benz |
| 1 | P0234 | Turbocharger Engine Overboost | Land Rover |
| 1 | P026B | Engine Serial Number Not Programmed | GMC |
| 1 | P0301 | Cylinder 1 Misfire Detected | Mercedes-Benz |
| 1 | P0303 | Cylinder 3 Misfire Detected | Mercedes-Benz |
| 1 | P0305 | Cylinder 5 Misfire Detected | Jeep |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Jeep |
| 1 | P0401 | Insufficient EGR Flow Detected | Toyota |
| 1 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet |
| 1 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Lexus |
| 1 | P0506 | Idle Speed Low | Chevrolet |
| 1 | P053F | cold start fuel pressure performance b1 | Audi |
| 1 | P0642 | Sensor Reference Voltage 1 Circuit Low | Jeep |
| 1 | P0650 | Malfunction Indicator Lamp Circuit Malfunction | Chevrolet |
| 1 | P087E | Fuel pressure too low | Mercedes-Benz |
| 1 | P088E | Fuel pressure too high | Mercedes-Benz |
| 1 | P1170 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit - No Inversion | Land Rover |
| 1 | P1173 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction | Land Rover |
| 1 | P1255 | CTS short to ground | Chevrolet |
| 1 | P1568 | Battery Cell Temperature Signal Circuit Problem | Nissan |
| 1 | P1612 | NATS CHAIN OF IMMU-PCM | Nissan |
| 1 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Chevrolet |
| 1 | P1643 | Wait To Start Lamp Control Circuit Malfunction | Chevrolet |
| 1 | P1682 | Ignition 1 Switch Circuit 2 Malfunction | Saab |
| 1 | P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) | Jaguar |
| 1 | P2098 | Downstream Fuel System Lean - HO2S-22 (Bank 2 Sensor 2) | Jaguar |
| 1 | P2100 | Electronic Throttle Control Motor Circuit / Open (Bank 1) | Audi |
| 1 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | Jeep |
| 1 | P2127 | Accelerator Pedal Position Sensor 2 Circuit Low Voltage | Jeep |
| 1 | P241D | service def system see dealer | Jeep |
| 1 | P246E | egt exhaust gas temp sensor cirrcuit bank1 sensor 4 | Ford |
| 1 | P2533 | Ignition Relay Rationality Fault | Chrysler |
| 1 | P2599 | Turbo charger boost control position perfromance-high position | GMC |
| 1 | P268A | Fuel Injector Calibration Data Not Programmed | Mercedes-Benz |
| 1 | U0101 | Lost Communication With TCM | Volkswagen |
| 1 | U1016 | Serial Communications Malfunction | Chevrolet |
| 1 | U3000 | TPMS Control Unit Internal Malfunction | Honda |
