DTC P1787 Acura

A T FFS Signal Circuit Malfunction

A T FFS Signal Circuit Malfunction

Description

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

Cause and Solution

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

Video Guide

Duration: PT4M2S | Uploaded: 2020-04-20

Diagnostic Info

  • DTC Code: P1787
  • Brand: Acura
Back to Blog