Diesel Technology 7.3L PCM Reflash Service - 1994-2003 Ford F-Series

7.3L Powerstroke PCM Reflash Service – Stock Calibration (1994.5–2003)

If you’re looking to return your 7.3L Powerstroke to a true stock PCM calibration, this PCM Reflash Service from Diesel Technology of Chattanooga is the correct solution. Whether you want the latest Ford factory calibration or a proven “Gold Standard” stock tune, this service restores proper PCM operation using trusted, time-tested software.

This service is also ideal if your truck requires a Technical Service Bulletin (TSB) reflash to address a known drivability or performance issue.

🔥 When This Service Is Needed:

• Returning a PCM to stock calibration

• Addressing a Ford TSB-related issue

• Removing an unknown or leftover tune from a used truck

• Restoring proper PCM behavior after prior tuning

• Updating early trucks for full OBDII compatibility

⚙️ What This Service Does:

• Reflashes the PCM with:

  • Latest Ford factory calibration or

  • Proven “Gold Standard” stock calibration

• Removes any existing aftermarket tuning

• Tests PCM operation before and after programming

• Ensures proper communication and drivability

🧪 OBDII Compatibility Notes (1994.5–1996 Trucks):

• Trucks with PCM codes TDE0 / TDE1 (Automatic) or MLE0 / MLE1 (Manual) already support OBDII — no update required

• Manual-transmission trucks with BEGx PCM codes will be updated to full OBDII compatibility

• This allows proper use of modern scan tools

⚠️ Important Tuner Information:

• If you still have the tuner and request a stock reflash, the tuner will no longer function

• The tuner must be sent back to the manufacturer to be unlocked

• If you suspect a tune is installed but do not have the tuner, this service will safely return the PCM to stock

📋 Before Shipping Your PCM:

• Complete the required Vehicle Information form (must be included inside the box)

• If applicable, include the TSB number in the notes section

• Clearly explain why you want the PCM reflashed and describe any symptoms

📦 What to Send In:

• Your PCM

• Completed information FORM placed inside the package

🚗 Fitment:

• 1994.5–2003 Ford 7.3L Powerstroke

📝 Important Note:

PCM reflashing only addresses issues related to software or TSB corrections. It does not resolve unrelated mechanical or electrical problems.

If you need to restore factory calibration, remove unknown tuning, or update early PCM software, this 7.3L Powerstroke PCM Reflash Service provides a professional, reliable solution backed by thorough testing and decades of experience.