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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 105 (Automatic Transmission System (Aa80E) - Diagnostic Codes (2 Of 2) & Circuit Tests) >> Automatic Transmission System >> DTC U0100: Lost Communication with ECM / PCM "A" [11/2021 - ] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2024 Lexus IS 500, 2023 Lexus IS 500, and 2022 Lexus IS 500. However, it is still accessible from the selected car via links, so may be relevant.
Related DTCs U0100: Lost communication/Verify communication
Required Sensors/Components TCM, ECM
Frequency of operation Continuous
Duration 1.25 seconds
MIL operation Immediate
Sequence of operation None
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