What is the fault code P30C0 for Lavida?

1 Answers
DelAdeline
07/30/25 2:11am
The fault code P30C0 for Lavida indicates a defect in fuel quality. Here is an introduction to the functions of the vehicle's self-diagnosis system: 1. Fault detection: The level signals input to the microprocessor have a certain range under normal conditions. If signals outside this range are input, the ECU will diagnose the signal system as abnormal. For example, in the engine coolant temperature signal system, the sensor voltage is normally between 0.08-4.8V. Any value outside this range is diagnosed as abnormal. 2. Fault classification: When the microcomputer is functioning normally, it detects abnormal input signals through diagnostic programs and classifies the results into minor faults that do not cause obstacles, faults that lead to functional degradation, and major faults. The faults are categorized by importance and pre-programmed. If the microcomputer itself malfunctions, it is classified as a major fault through the WDT.
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