DTC C12F3 GMC

ETACS-ECU Timeout

ETACS-ECU Timeout

Description

Engine not cranking or 3 seconds have passed since the engine was cranked and battery voltage is 10 volts or greater, the ETACS-ECU was unable to receive a signal through the CAN bus line.

Cause and Solution

CAN line harness or connectors damageETACS-ECU power supply system failedETACS-ECU failedPCM failed

Video Guide

Duration: PT4M4S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: C12F3
  • Brand: GMC
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