Diagnostic Trouble Code Index for July 2024
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 | P0301 | Cylinder 1 Misfire Detected | Ford |
| 1 | B1E21 | The buffer battery has a malfunction | Mercedes-Benz |
| 1 | B284E | The relay coil reserve is malfunctioning | Mercedes-Benz |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | GMC |
| 1 | P0106 | MAP Sensor Performance | GMC |
| 1 | P0121 | TP Sensor Performance | GMC |
| 1 | P0175 | Fuel System Rich (Bank 2) | Kia |
| 1 | P025A | Fuel Pump Flow Control Module Enable Circuit Malfunction | Chevrolet |
| 1 | P0299 | Turbocharger Engine Underboost | Ford |
| 1 | P0300 | Multiple Cylinder Misfire Detected | Ford |
| 1 | P0302 | Cylinder 2 Misfire Detected | Ford |
| 1 | P0305 | Cylinder 5 Misfire Detected | Ford |
| 1 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 1 | P0328 | Knock Sensor Circuit High Voltage (Bank 1) | Toyota |
| 1 | P0336 | Crankshaft Position Sensor Performance | Chevrolet |
| 1 | P0340 | Camshaft Position Sensor Circuit Malfunction | Nissan |
| 1 | P0447 | EVAP Canister Vent Control Valve Open | Nissan |
| 1 | P0615 | Starter Relay Control Circuit Malfunction | Chevrolet |
| 1 | P0642 | Sensor Reference Voltage 1 Circuit Low | Ram |
| 1 | P1093 | Fuel Rail Pressure Low During Power Enrichment | Chevrolet |
| 1 | P112E | BMW | |
| 1 | P1502 | Vehicle Speed Sensor 1-2 Correlation - Non-Drive Wheels | Porsche |
| 1 | P1618 | Sensor Reference Voltage 1 Circuit Erratic | Ram |
| 1 | P161A | Incorrect response from Immobilizer Control Module | Ford |
| 1 | P1682 | Ignition 1 Switch Circuit 2 Malfunction | Chevrolet |
| 1 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | Ram |
| 1 | P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean | Ford |
| 1 | P2240 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Pumping Current Signal Open | Ford |
| 1 | P228C | fuel pressure regulator 1 control performanc-low pressure | Cadillac |
| 1 | P2635 | Fuel Pump Flow Performance | Chevrolet |
| 1 | U0100 | Lost Communication With ECM/PCM | Chevrolet |
| 1 | U010C | Lost Communication With Turbocharger / Supercharger Control Module | Dodge |
| 1 | U0140 | Lost Communication With BCM | Chevrolet |
