Diagnostic Trouble Code Index for February 2018
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 |
| 10 | P0300 | Multiple Cylinder Misfire Detected | , Acura, Chevrolet, Dodge, GMC, Honda, Hyundai, Infiniti |
| 9 | P0171 | Fuel System Lean (Bank 1) | BMW, Chevrolet, Ford, Mazda, Mitsubishi, Nissan, Subaru |
| 4 | P0172 | Fuel System Rich (Bank 1) | Chevrolet, Mercury, Toyota |
| 4 | P0304 | Cylinder 4 Misfire Detected | Audi, Ford, Hyundai, Subaru |
| 3 | P0174 | Fuel System Lean (Bank 2) | BMW, Ford |
| 3 | P0305 | Cylinder 5 Misfire Detected | Ford, GMC, Hyundai |
| 3 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Cadillac, Chevrolet, Dodge |
| 2 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Jaguar, Pontiac |
| 2 | P0102 | MAF Sensor Circuit Low Frequency | Ford, Pontiac |
| 2 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Subaru |
| 2 | P0175 | Fuel System Rich (Bank 2) | Infiniti, Mercury |
| 2 | P0193 | Fuel Rail Pressure Sensor Circuit High Voltage | Chevrolet, Ford |
| 2 | P0301 | Cylinder 1 Misfire Detected | Hyundai, Jeep |
| 2 | P0302 | Cylinder 2 Misfire Detected | Hyundai, Volkswagen |
| 2 | P0303 | Cylinder 3 Misfire Detected | Hyundai, Subaru |
| 2 | P0340 | Camshaft Position Sensor Circuit Malfunction | Ford, Kia |
| 2 | P0401 | Insufficient EGR Flow Detected | , Toyota |
| 2 | P0455 | EVAP System Large Leak Detected | Chevrolet |
| 2 | P0652 | Sensor Reference Voltage 2 Circuit Low | Chevrolet, Jeep |
| 1 | B1484 | brake pedal input circuit open | Ford |
| 1 | B1A28 | ECM Mismatch with SKIM - Stored | Dodge |
| 1 | C0231 | rear wheel speed erratic | Subaru |
| 1 | C1102 | battery voltage low | Hyundai |
| 1 | C1237 | pressure sensor signal | Hyundai |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Pontiac |
| 1 | P0018 | Crankshaft Position - Intake Camshaft Position Correlation (Bank 2) | Ford |
| 1 | P0019 | Crankshaft Position - Exhaust Camshaft Position Correlation (Bank 2) | Jaguar |
| 1 | P0021 | Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2) | Subaru |
| 1 | P0025 | Camshaft Position 'B' Over-Retarded (Bank 2) | Audi |
| 1 | P0087 | Fuel Rail Pressure Too Low | Audi |
| 1 | P0093 | Fuel System Large Leak Detected | Ford |
| 1 | P0101 | MAF Sensor Performance | Nissan |
| 1 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Chevrolet |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Chevrolet |
| 1 | P013C | Heated Oxygen Sensor (Bank 2 Sensor 2) Slow Response - Rich To Lean | Jeep |
| 1 | P0217 | Engine Coolant Over-Temperature Condition | Ford |
| 1 | P0261 | Fuel Injector 1 Control Circuit Low Voltage | Chevrolet |
| 1 | P0264 | Fuel Injector 2 Control Circuit Low Voltage | Chevrolet |
| 1 | P0267 | Fuel Injector 3 Control Circuit Low Voltage | Chevrolet |
| 1 | P0272 | Cylinder 4 Balance System Malfunction | Audi |
| 1 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 1 | P0327 | Knock Sensor Circuit Low Voltage (Bank 1) | GMC |
| 1 | P0344 | Camshaft Position Sensor Signal Intermittent | Jeep |
| 1 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Ford |
| 1 | P0353 | Ignition Coil 3 Control Circuit Malfunction | Chevrolet |
| 1 | P0365 | Exhaust Camshaft Position Sensor Circuit Malfunction | Kia |
| 1 | P0411 | Secondary AIR System Incorrect Airflow Detected | Volkswagen |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Cadillac |
| 1 | P0431 | Warmup Catalyst Efficiency Low (Bank 2) | Audi |
| 1 | P0441 | EVAP Purge System Performance | Toyota |
| 1 | P0442 | EVAP System Small Leak Detected | Chevrolet |
| 1 | P0463 | Fuel Level Sensor High Voltage | Ford |
| 1 | P050D | Cold Start Rough Idle | Chevrolet |
| 1 | P0513 | Invalid SKIM Key Detected | Dodge |
| 1 | P0600 | Serial Communication Link | Subaru |
| 1 | P0642 | Sensor Reference Voltage 1 Circuit Low | Dodge |
| 1 | P0678 | Glow Plug No. 8 Control Circuit Malfunction | Chevrolet |
| 1 | P0897 | Transmission Fluid Deteriorated | Pontiac |
| 1 | P1021 | Engine Oil Control Valve Circuit Malfunction | Volvo |
| 1 | P1025 | Fuel Injector 5 Circuit Malfunction | Volvo |
| 1 | P1132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Rich | Ford |
| 1 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Ford |
| 1 | P1418 | Secondary Air System Control ''A' Circuit Shorted | BMW |
| 1 | P1507 | Idle Air Control System RPM Lower Than Expected | Ford |
| 1 | P1560 | Transaxle Not In Drive - Cruise Control Disabled | Mercedes-Benz |
| 1 | P1635 | 5-Volt Reference 1 Circuit Malfunction | Lincoln |
| 1 | P1676 | EVAP Purge Solenoid Control Circuit Malfunction | Honda |
| 1 | P1682 | Ignition 1 Switch Circuit 2 Malfunction | Chevrolet |
| 1 | P1710 | Turbine Revolution Sensor Circuit Malfunction | Volvo |
| 1 | P1819 | Internal Mode Switch - No Start/Wrong Range | Pontiac |
| 1 | P2069 | Exhaust Temperature Sensor Above Range | BMW |
| 1 | P207F | Reductant Quality Performance | Chevrolet |
| 1 | P2090 | Camshaft Position Actuator Circuit Low (Bank 2) | BMW |
| 1 | P2127 | Accelerator Pedal Position Sensor 2 Circuit Low Voltage | Jeep |
| 1 | P2135 | Throttle Position Sensor 1-2 Correlation Error | Dodge |
| 1 | P2166 | Accelerator Pedal Position Sensor 1 Maximum Stop Performance | Dodge |
| 1 | P2173 | High Airflow / Vacuum Leak Detected (Slow Accumulation) | Jeep |
| 1 | P2188 | Fuel Trim System Rich At Idle (Bank 1) | Buick |
| 1 | P2190 | Fuel Trim System Rich At Idle (Bank 2) | Buick |
| 1 | P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean | Ford |
| 1 | P2196 | Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck Rich | Ford |
| 1 | P2198 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Rich" | Ford |
| 1 | P219B | fuel trim cylinder balance bank 2 | Chevrolet |
| 1 | P2200 | nox sensor 1 circuit | Chevrolet |
| 1 | P2202 | Nox sensor Bank 1 Ckt Low Input | Chevrolet |
| 1 | P2203 | Torque Reduction Message From ABS - Message Error, Messages Missing | Chevrolet |
| 1 | P228C | Low fuel pressure | Chevrolet |
| 1 | P2293 | fuel pressure regulator 2 performance | Volkswagen |
| 1 | P2296 | Fuel Pressure Solenoid 2 Control Circuit High | Audi |
| 1 | P2306 | Ignition Coil 3 Control Circuit Low Voltage | Chevrolet |
| 1 | P2307 | Ignition Coil 3 Control Circuit High Voltage | Chevrolet |
| 1 | P2610 | Control Module Ignition Off Timer Performance | Chevrolet |
| 1 | P2646 | VTEC Oil Pressure Switch Circuit Low Voltage | Honda |
| 1 | P268D | Fuel Injector 2 Calibration Incorrect | Dodge |
| 1 | P268E | Fuel Injector 3 Calibration Incorrect | Dodge |
| 1 | P2691 | Fuel Injector 6 Calibration Incorrect | Dodge |
| 1 | U1026 | Loss of ATC Class 2 Communication | Chevrolet |
| 1 | U1041 | Loss of Electronic Brake Controller Communication | Chevrolet |
| 1 | U1300 | Class 2 Data Line Short To Ground | Cadillac |
| 1 | U1301 | Class 2 Data Line Short To Voltage | Cadillac |
| 1 | U2023 | Fault recieved from external node | Lincoln |
| 1 | U210B | Lost comm. fuel pump module A and restraints module | Ford |
