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DTC U0001:88/U0100:00/U0101:00/U0155:00 [SAS Control Module (Two-Step Deployment Control System - Us/CANADA Spec.)]: Notes

WARNING: This page is about a different car, the 2017 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0001:88/U0100:00/U0101:00/U0155:00 [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.)] - DETECTION CONDITION & POSSIBLE CAUSE

System malfunction location
  • U0001:88: Unit 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
  • The SAS control module detects a CAN communication line (HS-CAN) error.

U0100:00
  • The SAS control module could not receive CAN signal from the PCM for 5 s or more.

U0101:00
  • The SAS control module could not receive CAN signal from the TCM for 5 s or more.

U0155:00
  • The SAS control module could not receive CAN signal from the instrument cluster for 5 s or more.
Fail-safe function Not applicable
Possible cause
  • Malfunction in CAN bus communication line
  • Malfunction in CAN line between the SAS control module and PCM
  • Malfunction in CAN line between the SAS control module and TCM
  • Malfunction in CAN line between the SAS control module and instrument cluster
System wiring diagram Not applicable
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