Diagnostic Trouble Code Index for April 2025
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 |
| 4 | P0300 | Multiple Cylinder Misfire Detected | Infiniti, Jeep, Ram, Saab |
| 3 | P0171 | Fuel System Lean (Bank 1) | Chevrolet, Infiniti |
| 2 | P0301 | Cylinder 1 Misfire Detected | Jeep, Ram |
| 1 | B1342 | ECU Damaged (EEPROM Inside PCM Not Working) | Ford |
| 1 | P0013 | Exhaust Camshaft Position Actuator Solenoid Control Circuit (Bank 1) | Chevrolet |
| 1 | P0089 | Fuel Pressure Regulator Performance | Chevrolet |
| 1 | P015A | Sensor Delayed Response - Rich to Lean | Chevrolet |
| 1 | P0174 | Fuel System Lean (Bank 2) | Infiniti |
| 1 | P0336 | Crankshaft Position Sensor Performance | Chevrolet |
| 1 | P0340 | Camshaft Position Sensor Circuit Malfunction | Saab |
| 1 | P0353 | Ignition Coil 3 Control Circuit Malfunction | GMC |
| 1 | P0357 | Ignition Coil 7 Control Circuit Malfunction | GMC |
| 1 | P0456 | EVAP System Very Small Leak Detected | Ford |
| 1 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 1 | P1101 | Intake Airflow System Performance | Chevrolet |
| 1 | P1212 | ABS/TCS Control Unit Malfunction | Nissan |
| 1 | P1610 | NATS Initialization Failure | Nissan |
| 1 | P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) | Fiat |
| 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 | P260F | Evaporative System Monitoring Processor Performance | Ford |
| 1 | P2B11 | cylinder 1 injector value exceeds limit | Ford |
| 1 | P2B17 | cylinder 4 injector value exceeds limit | Ford |
| 1 | U0401 | Implausible Data Received From ECM / PCM | Chevrolet |
| 1 | U1000 | Class 2 Communication Malfunction | Nissan |
| 1 | U1001 | Lost Communication With XXX Control Module | Nissan |
| 1 | U1900 | CAN System Communication Error | Ford |
