Engine-Codes - Ford - U0300 Ford

U0300 Ford Code - Internal Control Module Software Incompatibility

- Code Popularity: 55,840 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
ChatAC AutoCodes.com AI Chat

What are the Possible Causes of the DTC U0300 Ford?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Powertrain Control Module (PCM) Programmed With Incorrect Software
  • Faulty Powertrain Control Module (PCM)

Code Tech Notes

Verify the Powertrain Control Module (PCM) is at the latest calibration level. Reprogram ("Flashing") the PCM if necessary.

⚠ Does your Ford have Safety Recalls? → Check here

How to Fix the DTC U0300 Ford?

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 connector pins.

Search for U0300 Ford Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the U0300 Ford code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the U0300 Ford Code Mean?

The 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 Ford Code - Internal Control Module Software Incompatibility

Need more Information on the Code?

Need more information on how to fix the U0300 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0300 Ford code diagnosed by a professional: Find a repair shop in your area