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Home >> Toyota >> 2011 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System (W/O Smart Key) (Diagnostic Codes & Circuit Tests) (Hybrid) >> CAN COMMUNICATION SYSTEM (w/o Smart Key System) >> DTC U0100: Lost Communication with ECM / PCM "A" >> Description

DTC U0100: Lost Communication with ECM / PCM "A": Description

DTC Code DTC Detection Condition Trouble Area
U0100 There is no communication from the ECM.
  • Power source or inside of ECM
  • ECM CAN main wire or connector
  • ECM
  • Power management bus circuit
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