What does it mean when the EDC warning light comes on in a diesel vehicle?

[OJade]

Truck EDC light on means there is a fault in the engine electronic control system. EDC (Electric-Diesel-Control) stands for Electronic Diesel Control. When the EDC engine warning light is on in a truck, fuel consumption will increase. This is usually caused by damage to the engine's high-voltage circuit, fuel injectors, or oxygen sensors. It is recommended to promptly visit a 4S shop for inspection and repair. Here is more information about EDC: 1. Meaning of EDC light on: The EDC light on indicates an engine circuit fault. This is usually caused by starter motor repairs. Since the starter motor has a loopback system, most maintenance personnel replace it with an older starter switch that lacks a loopback system. As a result, the computer detects a fault, but it does not affect usage. 2. Reasons for truck EDC light on: There are many reasons for the EPC light to come on in a truck, including severe throttle carbon buildup, excessively high engine temperature, vehicle intake system failure, ECU failure, etc.