DTC P0509 Subaru

Lost Communication with ECM PCM A

Lost Communication with ECM PCM A

Description

No bus off error No error failure of all CAN messages No error failure of all CAN engine messages Terminal 15 Voltage, gt; 9 V for more than 500 mSec gt; 500 mSec after reset

Cause and Solution

Terminal resistor in ECMMalfunction in databus wiring or componentsReplace ECM

Video Guide

Duration: PT3M50S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0509
  • Brand: Subaru
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