DTC P1781 Daewoo

TCM MIL Request Control Circuit Malfunction

TCM MIL Request Control Circuit Malfunction

Description

Key on or engine running; and the PCM detected it did not receive any Class 2 message from the TCM, condition met for 20 seconds.

Cause and Solution

Class 2 serial data line is open, shorted to ground or shorted to power between the TCM and the PCM

Video Guide

Duration: PT3M47S | Uploaded: 2020-05-06

Diagnostic Info

  • DTC Code: P1781
  • Brand: Daewoo
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