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DTC U042C:00/U042C:82/U042C:83 [DSC HU/CM]

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2016 – MX-5 – Brakes

DTC U042C:00/U042C:82/U042C:83 [DSC HU/CM]

DTC

U0420:00

Signal error from EVP control unit

U0420:82

U0420:83

DETECTION CONDITION

  • Error detected in signal from EVP control unit via CAN communication.

FAIL-SAFE FUNCTION

POSSIBLE CAUSE

  • EVP control unit malfunction

SYSTEM WIRING DIAGRAM

Diagnostic Procedure

Step

Inspection

Action

1

VERIFY EVP control unit DTC

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [EVP CONTROL 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 EVP control unit, then go to the next step.

(See EVP CONTROL 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 [DSC HU/CM].)

No

DTC troubleshooting completed.

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