LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2024 >> MX-5 Miata Club >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> On-Board Diagnostic - Engine Control (3 Of 3) >> DTC U0131-00: Can Communication System: Communication Error To EPS Control Module
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0131-00: Can Communication System: Communication Error To EPS Control Module

U0131-00: (PCM (SKYACTIV-G)) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location CAN communication system: Communication error to EPS control module
Detection condition
  • Communication error between the PCM and EPS control module continues.
Fail-safe
  • Inhibits engine-stop by operating the i-stop function. (With i-stop system)
Possible cause
  1. Malfunction in CAN communication line between EPS control module and PCM
    NOTE:
  2. EPS control module malfunction (Refer to EPS CONTROL MODULE INSPECTION in service information.)
  3. PCM malfunction (Refer to PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.0] in service information.)
Repeatability verification procedure
  • Not applicable
System wiring diagram
  • Not applicable