Massey Ferguson 04.03.58 – Transmission Control Module (TRANS): Possible Transmission Slippage Detected

Triggered when the onboard diagnostic system detects that the transmission is slipping, often accompanied by code 04.03.59. In Dyna-6 transmissions, this can be flagged if slippage exceeds 10% for more than 700 ms between engine speed and intermediate speed.

• 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
• 6600 Series
• 6700 Series
• 8700 Series

1. 1

   Verify transmission fluid levels and inspect hydraulic/transmission filters for blockages or contamination.

2. 2

   Ensure the transmission oil temperature is between 35°C (95°F) and 45°C (113°F) by viewing the DOT MATRIX screen in diagnostic mode.

3. 3

   Perform a warm-up cycle by engaging the PTO and activating the PowerShuttle (forward and reverse) 10 times in each direction for 5-10 seconds to warm up the control units and solenoid valves.

4. 4

   For Dyna-6 models: Inspect the transmission range change solenoids on the side of the transmission and their linked switches for failures.

5. 5

   For Dyna-VT models: Check the hydrostat actuator motor using a 2.5mm Allen key to turn the adjustment mechanism left and right; it should return to neutral on its own.

1. 1

   Perform Transmission Calibration

   Position the tractor on flat ground, apply the hand brake, and start the engine. With the transmission fluid warmed to 35°C–45°C, initiate the automatic calibration procedure via the diagnostic screen.

2. 2

   Replace Filters and Fluid

   If the fluid is degraded or filters are clogged, drain the transmission fluid and replace the hydraulic/transmission filters.

3. 3

   Replace Faulty Solenoids/Valves

   If calibration fails or the tractor refuses to shift ranges properly, replace the transmission range change solenoids or electrovalves on the side of the transmission.

4. 4

   Clear Codes

   After replacing components and successfully calibrating the transmission, use a diagnostic tool to clear the 04.03.58 DTC from the Transmission ECU.