U0300 - Internal Control Module Software Incompatibility
U0300 Possible Causes
- Reprogram Module ("Flashing")
- New Powertrain Control Module (PCM) Needs programming
First diagnose U0300 code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
U0300 Tech NotesVerify the Powertrain Control Module (PCM) is at the latest calibration level.
Cost of diagnosing the U0300 code
Labor: 1.0The cost of diagnosing the U0300 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
U0300 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
U0300 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.
U0300 More InformationNeed more information on how to fix the U0300 code?
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U0300 Information for specific makes
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U0300 CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the U0300 code? Have you replaced any parts?
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