LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2019 >> CX-9 Signature >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> On-Board Diagnostic - Airbag System (Two-Step Deployment Control System) >> DTC U0001-88/U0155-00: Communication Error [SAS Control Module (Two-Step Deployment Control System)] >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0001-88/U0155-00: Communication Error [SAS Control Module (Two-Step Deployment Control System)]: Notes

DTC U0001:88/U0155:00 - SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location
  • U0001:88: Unit communication error (HS-CAN)
  • U0155:00: Communication error with instrument cluster
Detection condition U0001:88
  • SAS control module detects a CAN communication line (HS-CAN) error. U0155:00
  • SAS control module could not receive CAN signal from the instrument cluster for 5 s or more.
Fail-safe Not applicable
Possible cause
  • Malfunction in CAN bus communication line
  • Malfunction in CAN line between the SAS control module and instrument cluster
System wiring diagram Not applicable