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U1024 INFINITI

U1024 INFINITI - VVEL CAN communication

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Variable Valve Event & Lift (VVEL) Control Module
  • VVEL Control Module harness is open or shorted
  • VVEL Control Module circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

When is the code detected?

When Variable Valve Event & Lift (VVEL) control module cannot transmit/receive can communication signal from Engine Control Module (ECM).

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

U1024 Infiniti Description

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Engine Control Module (ECM) and Variable Valve Event & Lift (VVEL) control module are connected with two communication lines (CAN H line and CAN L line) and transmit/receive data. ECM shares information and links with the VVEL control module during operation.
OBDII Code U1024 Infiniti - VVEL CAN communication - AutoCodes.com

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U1024 INFINITI Comments

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