LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2017 >> MX-5 Miata RF Club, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> On-Board Diagnostic - Engine Controls (4 Of 5) >> DTC U0320-00; EPS Control Module Error >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0320-00; EPS Control Module Error: Notes

DTC U0320:00 EPS control module error
DETECTION CONDITION
  • When any of the following conditions is met:
  • CAN communication line malfunction between EPS control module and PCM
  • EPS control module internal malfunction

Diagnostic support note
  • This is a continuous monitor (other).
  • The check engine light does not illuminate.
  • FREEZE FRAME DATA is not available.
  • Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION Not applicable
POSSIBLE CAUSE
  • CAN drive error (EPS control module or PCM)
  • CAN communication line malfunction between EPS control module and PCM
    • EPS control module terminal 2B-PCM terminal 2AK
    • EPS control module terminal 2C-PCM terminal 2AL
  • EPS control module connector or terminals malfunction
  • PCM connector or terminals malfunction
  • EPS control module malfunction
  • PCM malfunction
G11276034