Massey Ferguson 06.03.E1 – Transmission Control Module (TRANS): Transmission Internal Software Issue

The onboard diagnostic (OBD) system has detected an internal software fault, memory corruption, or processing error within the transmission control system.

• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S
• Tier 4 (2015-2021)
• 7700 Series

1. 1

   Verify the battery voltage and the power supply to the transmission module, as low voltage can cause software and memory glitches.

2. 2

   Ensure the wiring harnesses and CAN BUS lines connecting the transmission controller to the tractor's main network are intact.

3. 3

   Use a specialized Massey Ferguson diagnostic tool to retrieve, interpret, and attempt to clear the DTC to determine if it was a temporary glitch.

1. 1

   Connect Diagnostic Tool

   Connect the dealer Electronic Diagnostic Tool (EDT) to the tractor's diagnostic port.

2. 2

   Software Flash/Update

   Attempt to reflash or update the transmission controller's software. A software overwrite can sometimes resolve corrupted memory sectors.

3. 3

   Module Replacement

   If the software update fails or the internal memory is permanently damaged, the Transmission ECU (Autotronic unit) must be replaced.

4. 4

   Calibration

   After installing a new or remanufactured Autotronic unit, perform a full transmission calibration (including PowerShuttle and clutch pedal progressivity calibrations) using the diagnostic tool.