Case IH 15325 – Steering Valve Controller (SVC): Software in the steering valve controller does not match the controller

This code indicates a software mismatch or incompatibility between the flashed software and the physical Steering Valve Controller hardware, or a mismatch between the main steering controller and the redundant safety controller.

• Steiger T4B
• AFS Connect Magnum Series 180
• AFS Connect Magnum Series 200
• AFS Connect Magnum Series 220
• AFS Connect Magnum Series 240
• AFS Connect Magnum Series 250
• AFS Connect Magnum Series 280
• AFS Connect Magnum Series 310
• AFS Connect Magnum Series 340
• AFS Connect Magnum Series 380
• Steiger Series
• Vestrum CVX Series 100
• Vestrum CVX Series 110
• Vestrum CVX Series 120
• Vestrum CVX Series 130
• Farmall Series 40
• Farmall Series 45
• Farmall Series 50

1. 1

   Check for accompanying codes, specifically 15326, which confirms a synchronization issue between the main and redundant controllers.

2. 2

   Connect the Case IH Electronic Service Tool (EST) and verify the software identifiers for both the Steering Valve Controller (SVC) and the Steering Redundant Controller (SRC).

3. 3

   Ensure that the physical steering valve controller has not been recently replaced with an incorrect hardware revision that does not support the currently flashed software.

1. 1

   Connect Diagnostic Tool

   Connect the Case IH Electronic Service Tool (EST) to the tractor's diagnostic port.

2. 2

   Identify Current Software

   Navigate to the Steering Valve Controller (SVC) module and read the current software version and part number.

3. 3

   Flash / Update Software

   If the software is corrupted, outdated, or mismatched, use the EST to re-flash the Steering Valve Controller with the correct software payload for your specific PIN/serial number.

4. 4

   Synchronize Controllers

   Ensure that the Steering Redundant Controller (SRC) is also flashed with the exact same matching software version to prevent code 15326 from triggering.

5. 5

   Calibrate

   After a successful flash, perform the steering valve calibration procedure as prompted by the EST.

6. 6

   Clear Codes

   Clear all fault codes, cycle the key off for 30 seconds, and turn it back on to verify that code 15325 does not return.

7. 7

   Hardware Replacement

   If the controller refuses to take the flash or the EST indicates a hard internal failure (e.g., EEPROM write failure), the physical Steering Valve Controller must be replaced and then programmed.