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Home >> Mazda >> 2017 >> 6 Sport, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> On-Board Diagnostic (4 Of 4) (SKYACTIVE-G 2.5) >> DTC U0320-00; EPS Control Module Error >> Notes
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DTC U0320-00; EPS Control Module Error: Notes

DETECTION CONDITION & POSSIBLE CAUSES

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 (Mode 2)/Snapshot data is not 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 2A-Front body control module (FBCM) terminal 2K
    • EPS control module terminal 2D-Front body control module (FBCM) terminal 2I
    • Front body control module (FBCM) terminal 2P-PCM terminal 2AK
      • Front body control module (FBCM) terminal 2N-PCM terminal 2AL
  • EPS control module connector or terminals malfunction
  • PCM connector or terminals malfunction
  • EPS control module malfunction
  • PCM malfunction
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