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Acura DTC

Acura DTC P1678

Manufacture

Acura DTC

Code

P1678

Definition

A T (TCM) FPTDR Signal Line Circuit Malfunction

Description

Key on or engine running; and the PCM detected an unexpected (intermittent) interruption of the TCM FPTDR Line signal in the test.

Cause

  • A T FTPDR data line is open (intermittent fault)A T FTPDR data line is shorted to ground (intermittent fault)A T FTPDR data line is shorted to VREF or power (intermittent)TCM or PCM has failed

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