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DTC U0338:00/U0515:00 [EPS CONTROL MODULE]

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2016 – MX-5 – Steering

DTC U0338:00/U0515:00 [EPS CONTROL MODULE]

DTC

U0338:00

Signal error from start stop unit

U0515:00

DETECTION CONDITION

  • Error detected in signal from the start stop unit via CAN communication.

FAIL-SAFE FUNCTION

POSSIBLE CAUSE

  • Start stop unit malfunction

SYSTEM WIRING DIAGRAM

Diagnostic Procedure

Step

Inspection

Action

1

VERIFY START STOP UNIT DTC

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [START STOP UNIT].)

DTC troubleshooting completed, then go to the next step.

No

Go to the next step.

2

VERIFY DTC TROUBLESHOOTING COMPLETED

Yes

Repeat the inspection from Step1.

If the malfunction recurs, replace the start stop unit, then go to the next step.

(See START STOP UNIT REMOVAL/INSTALLATION.)

No

Go to the next step.

3

VERIFY NO DTC IS PRESENT

  • Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [EPS CONTROL MODULE].)

No

DTC troubleshooting completed.

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