Massey Ferguson 04.X.E6 – Transmission Control Unit / Module (TRANS): Transmission Internal Software Issue (TRANS)

The onboard diagnostic (OBD) system has detected an internal software error, logic failure, or corruption within the transmission's programming.

• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S
• Tier 4 (2015-2021)
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626
• 8600 Series
• 5400 Series
• 5600 Series
• 6400 Series
• 6600 Series
• 6700 Series
• 7700 Series

1. 1

   Verify the transmission module supply voltage. Low voltage to the module can cause the processor to glitch and throw internal software codes.

2. 2

   Connect a specialized diagnostic tool (e.g., Massey Ferguson EDT or TEXA OFF-HIGHWAY) to retrieve active and stored transmission codes.

3. 3

   Check for accompanying CAN BUS communication error codes, as network interruptions can mimic internal software failures.

4. 4

   Use the diagnostic software to check the current software version on the TRANS module and see if an OEM update or patch is available.

1. 1

   Clear and Retest

   Using your diagnostic tool, clear the DTCs to see if the 04.X.E6 code was triggered by a temporary voltage drop or intermittent glitch.

2. 2

   Reflash/Update Software

   If the code is hard/active, use the Massey Ferguson EDT to reflash the Transmission Control Module with the latest OEM software.

3. 3

   Recalibrate the Transmission

   After a software reflash, you must run the transmission calibration routines. Use the diagnostic tool to perform the Drive Pedal Calibration, Clutch Pedal Calibration, and Transmission Turbo Clutch Calibration.

4. 4

   Test Drive

   Monitor live transmission data during acceleration and deceleration to ensure the software is correctly commanding the transmission actuators.

5. 5

   Module Replacement (If Necessary)

   If the module refuses to accept the software update, or if the internal software issue code immediately returns after a successful reflash, the Transmission Control Module has suffered an internal hardware failure and must be replaced.