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Home >> Mazda >> 2025 >> CX-5 S Select >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> On-Board Diagnostic - Position Memory System >> DTC U0001:88/U0100:00/U0101:00/U0151:00/U0155:00/U0214:00 [Position Memory Control Module] >> Notes

DTC U0001:88/U0100:00/U0101:00/U0151:00/U0155:00/U0214:00 [Position Memory Control Module]: Notes

DTC U0001:88/U0100:00/U0101:00/U0151:00/U0155:00/U0214:00 (POSITION MEMORY CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description
  • U0001:88
    • Module communication error (HS-CAN)
  • U0100:00
    • Communication error with PCM
  • U0101:00
    • Communication error with TCM
  • U0151:00
    • Communication error with SAS control module
  • U0155:00
    • Communication error with instrument cluster
  • U0214:00
    • Communication error with start stop unit
Detection condition
  • U0001:88
    • Position memory control module (front seat) the CAN bus communication line (HS-CAN) malfunction
  • U0100:00
    • Position memory control module (front seat) could not receive the CAN signal from the PCM for 5s or more with the ignition switched ON (engine off or on).
  • U0101:00
    • Position memory control module (front seat) could not receive the CAN signal from the TCM for 5s or more with the ignition switched ON (engine off or on).
  • U0151:00
    • Position memory control module (front seat) could not receive the CAN signal from the SAS control module for 5s or more with the ignition switched ON (engine off or on).
  • U0155:00
    • Position memory control module (front seat) could not receive the CAN signal from the instrument cluster for 5s or more with the ignition switched ON (engine off or on).
  • U0214:00
    • Position memory control module (front seat) could not receive the CAN signal from the start stop unit for 5s or more with the ignition switched ON (engine off or on).
Fail-safe
  • U0001:88
    • Memory seat positioning using position memory switch and remote transmitter:
  • If the ignition is switched ON (engine off or on), inhibits all memory seat positioning.
  • U0100:00
    • Memory seat positioning using position memory switch and remote transmitter:
  • If the ignition is switched ON (engine off or on), inhibits all memory seat positioning.
  • U0101:00
    • Memory seat positioning using position memory switch and remote transmitter:
  • If the ignition is switched ON (engine off or on), inhibits all memory seat positioning.
  • U0151:00
    • Memory seat positioning using position memory switch and remote transmitter:
  • If the ignition is switched ON (engine off or on), inhibits all memory seat positioning.
  • U0155:00
    • Memory seat positioning using position memory switch and remote transmitter:
  • Inhibits all memory seat positioning.
  • U0214:00
    • Memory seat positioning using remote transmitter:
  • Inhibits all memory seat positioning.
    • Memory registration using remote transmitter:
  • Inhibits the memory registration.
Possible cause
  • Malfunction in CAN bus communication line
  • Malfunction in CAN line between PCM and position memory control module
  • Malfunction in CAN line between TCM and position memory control module
  • Malfunction in CAN line between SAS control module and position memory control module
  • Malfunction in CAN line between instrument cluster and position memory control module
  • Malfunction in CAN line between start stop unit and position memory control module
System wiring diagram Not applicable