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Home >> Mazda >> 2021 >> 3 Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (On-Board Diagnostics - Automatic Transaxle (GW6AX-El)) >> DTC U0131-00: Communication Error To EPS Control Module >> Outline
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DTC U0131-00: Communication Error To EPS Control Module: Outline

WARNING: This page is about a different variant/trim than selected.
DTC U0131:00 (TCM, GW6AX-EL, US) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Communication error to EPS control module
Detection condition
  • Under the following condition, the TCM cannot receive the signal from EPS control module:
    • Battery voltage is 10 V or more.
Fail-safe
  • Inhibits learning control.
  • Inhibits neutral idle control.
Possible cause
  • CAN communication line malfunction between TCM and EPS control module
  • TCM malfunction
System wiring diagram
  • Not applicable
Connector diagram
  • Not applicable