DTC U0001-88, U0155-00: Communication Error: Notes

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DTC U0001:88/U0155:00 SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.) 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 Instrument cluster malfunction
System wiring diagram	Not applicable