The Check Engine Light May Illuminate With Controller Area Network (CAN) Fault Codes Stored on INFINITI QX56

Submitted by Jim Taddei · May 29, 2025
Published by RepairPal

Problem overview

The Check Engine Light may illuminate with controller area network (CAN) fault codes stored. Our technicians tell us that cleaning the electrical ground connections around the powertrain control module (PCM) to allow better electrical conductivity should help with this concern.

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INFINITI QX56 vehicles with this problem

Average mileage: 123,678 miles
(123,678 - 123,678)

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