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What is the fault code for EECU message?

1 Answers

HopeRose

07/30/25 5:43am

EECU message indicates that the Vehicle Control Unit (VECU) cannot receive signals from the Engine Control Unit (EECU). Here is an introduction to EECU: 1. Cause of EECU message: Loose connectors. 2. The brain of the car: EECU. The onboard computer board consists of a microprocessor (CPU), memory (ROM, RAM), input/output interfaces (I/O), analog-to-digital converters (A/D), as well as shaping, driving circuits, and other large-scale integrated circuits. 3. Integration and miniaturization: The onboard computer board (also known as the control unit) mainly includes the engine computer, automatic transmission computer, body control system computer (ABS, ESP, EBD, BA, etc.), and comfort systems (electric seats, automatic wipers, automatic headlights, automatic air conditioning, sunroof control, central locking, remote key, remote window lifting, window rise upon locking, etc.). Modern vehicles use increasingly more computers, becoming more integrated and miniaturized.

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