DTC P1122 Subaru

CAN Communication Line

CAN Communication Line

Description

This is an OBD-II self-diagnostic item. Diagnostic trouble code U1000 is detected when ECM or TCM cannot communicate to other control units for 2 seconds or more.

Cause and Solution

Harness or connectors - CAN communication line is open or shorted. TCM

Video Guide

Duration: PT3M45S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P1122
  • Brand: Subaru
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