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Acura DTC

Acura DTC U0029

Manufacture

Acura DTC

Code

U0029

Definition

F-CAN A Malfunction (BUS-OFF (PCM))

Description

The PCM does not receive any signals via the F-CAN A lines for at least 1 second. When a malfunction is detected, the D indicator blinks, and a Pending DTC, a Confirmed DTC, and the freeze data are stored in the PCM memory. The MIL does not come on.

Cause

  • Check battery and charging system conditionLoose or poor connections, or worn shorted wiresShort in the F-CAN wiresFaulty gauge control modulePCM may need to be updated with the latest softwareFaulty PCM

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