DTC P1671 Acura

A T (TCM) FI Data Line No Signal

A T (TCM) FI Data Line No Signal

Description

Key on or engine running; and the PCM did not detect any signals on the A T FI Data Line circuit during the CCM test.

Cause and Solution

A T FI data line is open
A T FI data line is shorted to sensor ground or chassis ground
A T FI data line is shorted to VREF or system power

Video Guide

Duration: PT4M | Uploaded: 2020-04-19

Diagnostic Info

  • DTC Code: P1671
  • Brand: Acura
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