AutoCodes - OBDII Code List - U0300 2009 FORD MUSTANG

U0300 2009 FORD MUSTANG - Internal Control Module Software Incompatibility

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

U0300 2009 FORD MUSTANG Possible Causes

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

How do I fix code U0300 2009 FORD MUSTANG?

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's pins.

Tech Notes

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

Cost of diagnosing the U0300 2009 FORD MUSTANG code

Labor: 1.0

The cost of diagnosing the U0300 2009 FORD MUSTANG 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.

Possible Symptoms

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

U0300 2009 Ford Mustang Description

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.
OBDII Code U0300 2009 Ford Mustang - Internal Control Module Software Incompatibility  -

U0300 2009 FORD MUSTANG More Information

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