DTC P1786 Acura

A T FAS Signal Circuit Malfunction

A T FAS Signal Circuit Malfunction

Description

Key on or engine running; and the PCM detected an unexpected voltage condition on the A T FAS signal circuit to the TCM.

Cause and Solution

A T FAS signal circuit to the TCM is open
A T FAS signal circuit to the TCM is shorted to ground
A T FAS signal circuit to the TCM is shorted to VREF

Video Guide

Duration: PT4M2S | Uploaded: 2020-04-20

Diagnostic Info

  • DTC Code: P1786
  • Brand: Acura
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