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Home >> Mazda >> 2022 >> MX-5 Miata RF Club >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> On-Board Diagnostics - Electric Vacuum Pump (EVP) >> DTC U0415-00/U0415-29/U0415-86: Can Communication - Signal Error [EVP Control Unit] >> Notes

DTC U0415-00/U0415-29/U0415-86: Can Communication - Signal Error [EVP Control Unit]: Notes

DTC U0415-00/U0415-29/U0415-86: (EVP CONTROL UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

DTC U0415:00 CAN communication: signal error from DSC HU/CM
U0415:29
U0415:86
DETECTION CONDITION
  • DTC U0415:00
    • Signal from the DSC HU/CM is not received for 5 s.
  • DTC U0415:29
    • Brake fluid pressure error from the DSC HU/CM continues for 1 s.
  • DTC U0415:86
    • Vehicle speed signal error from the DSC HU/CM continues for 5 s.
FAIL-SAFE FUNCTION
POSSIBLE CAUSE
  • DSC HU/CM malfunction
SYSTEM WIRING DIAGRAM -