Diagnostic Trouble Code Index for April 2026
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 |
| 2 | P0300 | Multiple Cylinder Misfire Detected | Jeep, Land Rover |
| 2 | P0304 | Cylinder 4 Misfire Detected | Mercedes-Benz, Toyota |
| 1 | B1131 | Wiper Motor Module not configured | Ford |
| 1 | C1001 | Vision System camera intermittant | Ford |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Subaru |
| 1 | P0118 | ECT Sensor Circuit High Voltage | Dodge |
| 1 | P0171 | Fuel System Lean (Bank 1) | Nissan |
| 1 | P0174 | Fuel System Lean (Bank 2) | Nissan |
| 1 | P0301 | Cylinder 1 Misfire Detected | Land Rover |
| 1 | P0302 | Cylinder 2 Misfire Detected | Hyundai |
| 1 | P0307 | Cylinder 7 Misfire Detected | Land Rover |
| 1 | P0332 | Knock Sensor Circuit Low Frequency (Bank 2) | GMC |
| 1 | P0340 | Camshaft Position Sensor Circuit Malfunction | Dodge |
| 1 | P059F | Grille air shuttle a stuck on | BMW |
| 1 | P061C | ETC Level 2 RPM Performance | Dodge |
| 1 | P0705 | Transaxle Range Switch Circuit Malfunction | Toyota |
| 1 | P1594 | Charging System Voltage Too High | Ford |
| 1 | P2025 | EVAP Vapor Fuel Temperature Sensor Performance | Audi |
| 1 | P2181 | Cooling System Performance | Audi |
| 1 | P219D | fuel air mix cyl 2 unbalanced sporadic | Hyundai |
| 1 | P2990 | Turbo underboost | Audi |
| 1 | U0401 | Implausible Data Received From ECM / PCM | Ford |
| 1 | U1007 | Lost Communication with battery Monitoring | Ford |
| 1 | U129E | F-CAN Malfunction PGM-FI | Honda |
