U0300 LINCOLN - Internal Control Module Software Incompatibility
- Reprogram Module ("Flashing")
- New Powertrain Control Module (PCM) Needs programming
Tech notesVerify the Powertrain Control Module (PCM) is at the latest calibration level.
- Engine Light ON (or Service Engine Soon Warning Light)
U0300 Lincoln DescriptionThe U0300 code indicates there are incompatible software levels within the Powertrain Control Module (PCM) that control the Electronic Throttle Control (ETC) system. The ETC system uses multiple microprocessors within the PCM, each having its own software level and function. The microprocessors must have the correct level of software in order to communicate and function together.
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