Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Updating The HONDA Interface Module (Him) Model 3557-0100-00 (04-004)
Reference number: 04-004
UPDATING THE HONDA INTERFACE MODULE (HIM) MODEL 3557-0100-00
TECHNICAL SERVICE BULLETIN
| ACURA: | ALL MODELS |
| CATEGORY: | Maintenance\PDI |
| Applies To: | ALL MODELS |
Service Information
All Honda Interface Modules (HIMs) with the model number 3557-0100-00 require a software update to ensure correct operation. Installing this update improves communication.
PARTS INFORMATION
Each dealer's service manager will be automatically shipped one free HIM update package. This package includes installation instructions, model label, and the software update on a plug-in board.
PROCEDURE
- Check if the HIM model number is 3557-0100-00Β and requires an update. If it does not have this model number, this service bulletin does not apply.
- Touch a grounded metal object to free yourself of any static electricity before handling the HIM.
- Remove the four screws from the back of the HIM, and then carefully remove the back cover.
- Using your thumbs, push the plug-in board securely into the HIM expansion connector.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.