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Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> On-Board Diagnostic - Airbag (Two-Step Deployment Control System) >> DTC U0100-00: Pcm Communication Error (Airbag (Two-Step Deployment Control System)) >> Notes

DTC U0100-00: Pcm Communication Error (Airbag (Two-Step Deployment Control System)): Notes

DTC U0100:00 (SAS CONTROL MODULE - TWO-STEP DEPLOYMENT CONTROL SYSTEM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location  
  • PCM communication error
Detection condition  
  • The SAS control module does not receive CAN signal from PCM for 5 s or more, or receives CAN signal error from PCM for 0.4 s.
Fail-safe function Not applicable
Possible cause  
  • Malfunction in CAN line between the SAS control module and PCM
  • PCM malfunction
  • SAS control module malfunction
System wiring diagram Not applicable