DTC U0100: Lost Communication with ECM / PCM "A": Description
WARNING: This page is about a different car, the 2013 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
The engine control unit communicates with the TCM using the Controller Area Network (CAN).
If there is a problem in this communication, the TCM sets a DTC.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| U0100 | Following conditions are met for 1.25 seconds (1 trip detection logic):
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