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Home >> Mazda >> 2016 >> 6 Touring, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> On-Board Diagnostic [Front Body Control Module (FBCM)] >> DTC U0001-88; U0100-00; U0101-00; U0121-00; U0151-00; U0155-00; U0214-00; U023 A-00: Module Communication Error >> Notes

DTC U0001-88; U0100-00; U0101-00; U0121-00; U0151-00; U0155-00; U0214-00; U023 A-00: Module Communication Error: Notes

Description
  • U0001:88
    • Module communication error (HS-CAN)
  • U0100:00
    • Communication error with PCM
  • U0101:00
    • Communication error with TCM
  • U0121:00
    • Communication error with DSC HU/CM
  • U0151:00
    • Communication error with SAS control module
  • U0155:00
    • Communication error with instrument cluster
  • U0214:00
    • Communication error with start stop unit
  • U023A:00
    • Communication error with forward sensing camera (FSC)
Detection condition 
  • U0001:88
    • Front body control module (FBCM) detects a CAN bus communication line (HS-CAN) malfunction 10 times  continuously.
  • U0100:00
    • Front body control module (FBCM) could not receive the CAN signal from the PCM for 5 s or more  .
  • U0101:00
    • Front body control module (FBCM) could not receive the CAN signal from the TCM for 5 s or more  .
  • U0121:00
    • Front body control module (FBCM) could not receive the CAN signal from the DSC HU/CM for 5 s or more  .
  • U0151:00
    • Front body control module (FBCM) could not receive the CAN signal from the SAS control module for 5 s or more  .
  • U0155:00
    • Front body control module (FBCM) could not receive the CAN signal from the instrument cluster for 5 s or more  .
  • U0214:00
    • Front body control module (FBCM) could not receive the CAN signal from the start stop unit for 5 s or more  .
  • U023A:00
    • Front body control module (FBCM) could not receive the CAN signal from the forward sensing camera (FSC) for 5 s or more  .
Fail-safe function 
  • U0001:88
    • Control at the default signal value after holding the previous value for 5 s  .
  • U0100:00
    • Control at the default signal value after holding the previous value for 5 s  .
  • U0101:00
    • Control at the default signal value after holding the previous value for 5 s  .
  • U0121:00
    • Control at the default signal value after holding the previous value for 5 s  .
  • U0151:00
    • Control at the default signal value after holding the previous value for 5 s  .
  • U0155:00
    • Control at the default signal value after holding the previous value for 5 s  .
  • U0214:00
    • Control at the default signal value after holding the previous value for 5 s  .
  • U023A:00
    • Control at the default signal value after holding the previous value for 5 s  .
Possible cause 
  • Malfunction in CAN bus communication line
  • Malfunction in CAN line between the PCM and front body control module (FBCM)
  • Malfunction in CAN line between the TCM and front body control module (FBCM)
  • Malfunction in CAN line between the DSC HU/CM and front body control module (FBCM)
  • Malfunction in CAN line between the SAS control module and front body control module (FBCM)
  • Malfunction in CAN line between the instrument cluster and front body control module (FBCM)
  • Malfunction in CAN line between the start stop unit and front body control module (FBCM)
  • Malfunction in CAN line between the forward sensing camera (FSC) and front body control module (FBCM)
System wiring diagram  Not applicable