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Home >> Mazda >> 2015 >> 3 SV, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Blind Spot Monitoring >> DTC U0001: 88/U0100:00/U0131:00/U0155:00/U0214:00 Module Communication Error (Various) >> Notes
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DTC U0001: 88/U0100:00/U0131:00/U0155:00/U0214:00 Module Communication Error (Various): Notes

DTC U0001:88/U0100:00 DETECTION CONDITIONS AND POSSIBLE CAUSE

Description 
  • U0001:88 
    • Module communication error (HS-CAN) 
  • U0100:00 
    • Communication error with PCM 
  • U0131:00 
    • Communication error with EPS control module 
  • U0155:00 
    • Communication error with instrument cluster 
  • U0214:00 
    • Communication error with start stop unit 
Detection condition 
  • U0001:88
    • BSM control module detected a CAN bus communication line (HS-CAN) malfunction for 0.4 s or more  .
  • U0100:00
    • BSM control module cannot receive a CAN signal from the PCM for 1.5 s or more. 
  • U0131:00
    • BSM control module cannot receive a CAN signal from the EPS control module for 1.5 s or more. 
  • U0155:00
    • BSM control module cannot receive a CAN signal from the instrument cluster.
  • U0214:00
    • BSM control module cannot receive a CAN signal from the start stop unit for 1.5 s or more  .
Fail-safe function 
  • U0001:88
    • Blind spot monitoring (BSM) system is stopped.
  • U0100:00
    • Blind spot monitoring (BSM) system is stopped.
  • U0131:00
    • Blind spot monitoring (BSM) system is stopped.
  • U0155:00
    • Blind spot monitoring (BSM) system is stopped.
  • U0214:00
    • Blind spot monitoring (BSM) system is stopped.
Possible cause 
  • Malfunction in CAN bus communication line
  • Malfunction in CAN communication line between PCM and BSM control module
  • Malfunction in CAN communication line between EPS control module and BSM control module
  • Malfunction in CAN communication line between instrument cluster and BSM control module
  • Malfunction in CAN communication line between start stop unit and BSM control module
System wiring diagram  Not applicable