Engine-Codes - Ford - U0300 FORD

U0300 FORD - Internal Control Module Software Incompatibility

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

U0300 FORD Possible Causes

  • Powertrain Control Module (PCM) Programmed With Incorrect Software
  • Faulty Powertrain Control Module (PCM)

How is the U0300 FORD code repair?

Start by checking 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's pins.

Tech Notes

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

What is the cost to diagnose the U0300 FORD code

Labor: 1.0

The cost to diagnose the U0300 FORD code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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Possible Symptoms

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

U0300 FORD Meaning

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.

More Information

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