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 does this mean?
Table of contents

U0300 2009 FORD MUSTANG Possible Causes

What does this mean?
  • 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.
How much do you know about cars?

Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge

Play Now

Tech Notes

What does this mean?
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 - AutoCodes.com

More Information

Need more information on how to fix the U0300 2009 FORD MUSTANG code?
Get Access to Factory Service Manuals

Need more help?

Get the U0300 2009 Ford Mustang code diagnosed by a professional: Find a repair shop in your area

Related Information

Comments

Help 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 2009 Ford Mustang code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧
Repair Importance Level: 3
 
1=Low 2=Medium 3=High What is this?
Repair Difficulty Level: 3
 
1=Easy 2=Moderate 3=Hard What is this?

All OBDII Codes

Related Articles

Browse Codes by Make

Browse Codes for Specific Model-Year