Diagnostic Trouble Code Index for October 2021
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 | P0171 | Fuel System Lean (Bank 1) | Cadillac, Chevrolet, Toyota |
| 3 | P0300 | Multiple Cylinder Misfire Detected | Chevrolet, Hyundai, Nissan |
| 2 | P0174 | Fuel System Lean (Bank 2) | Cadillac, Toyota |
| 1 | C0710 | steering angle sensor signal low | Chevrolet |
| 1 | C1611 | CAN Timeout EMS | Hyundai |
| 1 | P0011 | Intake Camshaft Position System Performance | Nissan |
| 1 | P0089 | Fuel Pressure Regulator Performance | Volvo |
| 1 | P0106 | MAP Sensor Performance | Chevrolet |
| 1 | P0107 | MAP Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0113 | IAT Sensor Circuit High Voltage | Chevrolet |
| 1 | P0152 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit High Voltage | Jeep |
| 1 | P0301 | Cylinder 1 Misfire Detected | Hyundai |
| 1 | P0304 | Cylinder 4 Misfire Detected | Hyundai |
| 1 | P0336 | Crankshaft Position Sensor Performance | Chevrolet |
| 1 | P0344 | Camshaft Position Sensor Signal Intermittent | Dodge |
| 1 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Ford |
| 1 | P0372 | DI High Resolution Signal Circuit Malfunction | Chevrolet |
| 1 | P0401 | Insufficient EGR Flow Detected | Hyundai |
| 1 | P0456 | EVAP System Very Small Leak Detected | Jeep |
| 1 | P0457 | Loose Fuel Cap | Jeep |
| 1 | P1121 | TP Sensor Circuit Intermittent High Voltage | Toyota |
| 1 | P1237 | Fuel Pump Secondary Circuit Malfunction | Porsche |
| 1 | P1516 | TAC Module Throttle Actuator Position Performance | GMC |
| 1 | P1518 | Throttle Actuator Control Module Serial Data Malfunction | Chevrolet |
| 1 | P1590 | Neutral Position Switch High Input | Mitsubishi |
| 1 | P2098 | Downstream Fuel System Lean - HO2S-22 (Bank 2 Sensor 2) | Jeep |
| 1 | P2580 | Injector 1 Energy Balance Too High Or Too Low | Dodge |
| 1 | P2647 | VTEC Oil Pressure Switch Circuit High Voltage | Acura |
| 1 | U0074 | control module communications BUS B off ABS | Chevrolet |
| 1 | U0109 | Lost Communication with FP Control Module | Mitsubishi |
| 1 | U010C | Lost Communication With Turbocharger / Supercharger Control Module | Dodge |
| 1 | U0401 | Implausible Data Received From ECM / PCM | Chevrolet |
| 1 | U0415 | Implausible Data Received From ABS Module | Chevrolet |
