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Home >> Mazda >> 2017 >> MX-5 Miata Club, Standard Trans >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> On-Board Diagnostic - Retractable Fastback Control Module >> DTC U0001-88; U0100-00 U0101-00; U0155-00; Module Communication Errors >> Notes
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DTC U0001-88; U0100-00 U0101-00; U0155-00; Module Communication Errors: Notes

Description
  • U0001:88
    • Module communication error (HS-CAN)
  • U0100:00
    • Communication error with PCM
  • U0101:00
    • Communication error with TCM
  • U0155:00
    • Communication error with instrument cluster
Detection condition
  • U0001:88
    • Retractable fastback control module detects the CAN bus communication line (HS-CAN) malfunction 10 times continuously with the ignition switched ON (engine off or on).
  • U0100:00
    • Retractable fastback control module could not receive the CAN signal from the PCM for 5 s or more with the ignition switched ON (engine off or on).
  • U0101:00
    • Retractable fastback control module could not receive the CAN signal from the TCM for 1 s or more with the ignition switched ON (engine off or on).
  • U0155:00
    • Retractable fastback control module could not receive the CAN signal from the instrument cluster for 2 s or more with the ignition switched ON (engine off or on).
Fail-safe
  • U0001:88
    • Stops retractable fastback operation
  • U0100:00
    • Stops retractable fastback operation
  • U0101:00
    • Stops retractable fastback operation
  • U0155:00
    • Stops retractable fastback operation
Possible cause
  • Malfunction in CAN bus communication line
  • Malfunction in CAN line between PCM and start stop unit
  • Malfunction in CAN line between TCM and start stop unit
  • Malfunction in CAN line between instrument cluster and retractable fastback control module
System wiring diagram Not applicable