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Home >> Toyota >> 2019 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Automatic Transmission (U660F) - Diagnostic Codes & Circuit Tests) >> Automatic Transaxle System >> DTC U0100: Lost Communication with ECM / PCM "A" [12/2013 - 11/2016] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2016 Toyota Highlander, 2015 Toyota Highlander, and 2014 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
Related DTCs U0100: Verify communication
Required Sensors/Components (Main) TCM
Required Sensors/Components (Related) -
Frequency of Operation Continuous
Duration 1.25 seconds
MIL Operation Immediate
Sequence of Operation None
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