Massey Ferguson 04.00.E1 – TRANS: Transmission Internal Software Issue

The transmission controller has detected an internal software error, memory corruption, or a logic mismatch within its programming.

• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S
• Tier 4 (2015-2021)
• 4707
• 4708
• 4709
• 4710
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 5710SL
• 5711SL
• 5712SL
• 5713SL
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626

1. 1

   Check system voltage at the battery, alternator output, and ground connections to the TRANS module (low voltage can cause memory glitches; look for accompanying code T130)

2. 2

   Check CAN BUS communication to ensure there are no other active codes indicating a loss of communication between the Dash, Engine ECU, and the Transmission ECU

3. 3

   Attempt to clear the fault codes using a diagnostic tool and cycle the tractor's ignition to see if the code is a hard fault or an intermittent glitch

1. 1

   Software Reflash/Update

   Connect the AGCO Electronic Diagnostic Tool (EDT) to the tractor's diagnostic port. Check the current software version on the Transmission Control Unit. Flash the module with the latest OEM software update to resolve internal logic errors.

2. 2

   Recalibration

   If the software update is successful, perform a full transmission calibration (clutch pedal, transmission input/output sensors, and range actuators) to ensure the new software syncs with the mechanical wear of the transmission.

3. 3

   Module Replacement

   If the AGCO EDT cannot communicate with the TRANS module, if the flash process fails, or if the 04.00.E1 code immediately returns after a successful flash, the internal memory of the controller is physically corrupted (bricked). The Transmission Control Unit must be replaced and programmed to the tractor.