Engine Control Module
Honda identifies this component by the official name CONTROL UNIT, ENGINE. That designation establishes the part as the electronic engine-control module shown in the relevant electrical assembly.
Honda · Genuine OEM Part
The Honda 30400-K0W-A11 is listed as CONTROL UNIT, ENGINE, identifying it as the engine control unit in Honda’s electrical parts catalog. It appears in the Wire Harness/FOB Key assembly alongside related control, ignition, harness, and smart-key components.
The unit is cataloged as a single part. Honda’s service information also identifies this control unit as part of the component group involved in Honda Smart Key authentication procedures after installation.
Honda identifies this component by the official name CONTROL UNIT, ENGINE. That designation establishes the part as the electronic engine-control module shown in the relevant electrical assembly.
Honda parts information lists one 30400-K0W-A11 control unit. Ordering by the complete Honda part number helps distinguish the engine control unit from nearby smart-key, ignition, switch, and harness components.
Honda service information states that authentication procedures are required after installation when the control unit is replaced as part of the Honda Smart Key component group.
Honda parts diagrams place 30400-K0W-A11 as item 1 in the Wire Harness/FOB Key section. The same section includes the engine control unit cover, ignition coil, wire harness, engine sub-harness, handle-lock components, and smart control unit, providing the catalog context for this part.
| Honda Part Number | 30400-K0W-A11 |
|---|---|
| Honda Catalog Description | CONTROL UNIT, ENGINE |
| Part Type | Engine Control Unit |
| Assembly | Wire Harness/FOB Key |
| Catalog quantity | 1 |
| Model | Type | Model Years |
|---|---|---|
| ADV150A | Motorcycle | 2021–2023 |
Model applications as listed in Honda's dealer parts catalog for part number 30400-K0W-A11.
Verify the Honda OEM part number for your specific model before ordering.
Compatible motorcycles, ATVs & side-by-sides
Verify your vehicle's model, year and specific configuration before ordering.