Massey Ferguson E9238 – Engine Identification Module (ID Module): Diagnostic ID module. ID module, brownout reset

The Engine Identification Module (ID module) experienced an undervoltage condition—a sudden drop in supply voltage—that forced the module to reset itself.

• Massey Ferguson 8600 Series
• MF 8670
• MF 8690
• Massey Ferguson 7600 Series
• Massey Ferguson 5400 Series

1. 1

   Test the tractor's battery health and alternator output to ensure stable voltage delivery across the system

2. 2

   Inspect the wiring harness leading to component X188 (the ID module) for chafed wires, loose pins, or corrosion that could cause intermittent voltage drops

3. 3

   Disconnect and inspect the plug at the ID module and the main EEM unit for moisture or poor contact

1. 1

   Bypass Procedure (Temporary Fix)

   Connect the WinEEM3 service tool to the engine, disconnect the ID module, and enter a 32-character ByPass code (which must be requested from the AGCO/Sisu Help Desk using the engine serial number).

2. 2

   Locate module

   Locate the ID module (X188) attached to the engine block.

3. 3

   Disconnect harness

   Disconnect the wiring harness from the faulty module.

4. 4

   Remove module

   Unbolt and remove the old ID module.

5. 5

   Install module

   Install the new ID module securely to the engine block.

6. 6

   Reconnect and clear codes

   Reconnect the wiring harness and clear the fault codes using the diagnostic tool.