DTC P1780 Acura

Problem in Shift Control System (Transmission is in Default Mode)

Problem in Shift Control System (Transmission is in Default Mode)

Description

The A T control switches to the default mode due to a mechanical malfunction. The execution time is continuous depending on the driving pattern. NOTE: DTC P1780 means there is one or more A T DTCs about the shift control system. Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause and Solution

Poor connections and loose terminals at the PCM
PCM needs to be updated with the latest software

Video Guide

Duration: PT4M8S | Uploaded: 2020-04-19

Diagnostic Info

  • DTC Code: P1780
  • Brand: Acura
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