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Acura DTC

Acura DTC U0028

Manufacture

Acura DTC

Code

U0028

Definition

F-CAN Communication Circuit Error (F-CAN Bus OFF)

Description

When the powertrain control module (PCM) does not receive the signals via the CAN lines for a set time or more, the PCM detects a malfunction. The PCM does not receive any signals for at least 1 second. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause

  • PCM needs to be updated with the latest softwareFaulty PCM

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