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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 118 (Can Communication System (HV) - Circuit Tests (1 Of 9) & Diagnostic Codes) >> CAN COMMUNICATION SYSTEM (for HV Model) >> ECM Communication Stop Mode [11/2023 - ] >> Description

ECM Communication Stop Mode [11/2023 - ]: Description

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Detection Item Symptom Trouble Area
ECM Communication Stop Mode Communication stop for "ECM (Engine)" is indicated on the "Communication Bus Check" screen of the GTS.
Refer to DIAGNOSIS SYSTEM [11/2023 - ]
  • ECM main line or connector
  • Power source circuit of ECM
  • ECM ground circuit
  • ECM
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