DTC U0320-00: Electric Power Steering (EPS) Control Module Error: Outline
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0320:00 (PCM, SKYACTIV-G) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Electric Power Steering (EPS) control module error |
| Detection condition |
- When any of the following conditions is met:
- CAN communication line malfunction between Electric Power Steering (EPS) control module and PCM
- Electric Power Steering (EPS) control module internal malfunction
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| Fail-safe |
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| Possible cause |
- CAN drive error (Electric Power Steering (EPS) control module or PCM)
- CAN communication line malfunction between Electric Power Steering (EPS) control module and PCM
- Electric Power Steering (EPS) control module connector or terminals malfunction
- PCM connector or terminals malfunction
- Electric Power Steering (EPS) control module malfunction
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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