VSA Modulator-Control Unit Removal and Installation: Installation

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2025 Honda Odyssey, 2024 Honda Odyssey, 2023 Honda Odyssey, 2022 Honda Odyssey, and 2021 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

How to read the torque specifications .
Review the Service Precautions before doing repairs or service .
The yaw rate-acceleration sensor is built into the SRS unit.
Do not damage or drop the VSA modulator-control unit as it is sensitive.
Do not use power tools when installing the VSA modulator-control unit.
Do the immobilizer system registration after replacing the VSA modulator-control unit.

VSA Modulator-Control Unit Bracket - Install

Courtesy of HONDA, U.S.A., INC.

1. Install the modulator sub bracket (A) to the VSA modulator-control unit (B).

2. Install the modulator bracket (C) to the modulator sub bracket.

VSA Modulator-Control Unit - Install

Courtesy of HONDA, U.S.A., INC.

1. Install the VSA modulator-control unit (A) with the bracket (B).

Courtesy of HONDA, U.S.A., INC.

2. Align the connecting surface of the VSA modulator-control unit connector (A).

3. Pull down the lever (B) of the VSA modulator-control unit connector, then confirm the connector is fully seated.

Courtesy of HONDA, U.S.A., INC.

4. Connect the brake lines.

NOTE: Brake lines are connected to the master cylinder (A), the right-rear (B), the left-front (C), the right-front (D), and the left-rear (E) brake systems.

Brake System - Bleed

Immobilizer System - Register

NOTE:

If the VSA modulator-control unit was replaced, do the immobilizer system registration.
Failure to complete the immobilizer system registration will lead to a no-start condition the next time the 12 volt battery is disconnected.

1. Do the keyless access system registration procedure .

VSA Modulator-Control Unit Software - Check

1. Make sure the VSA modulator-control unit has the latest software. If it does not have the latest, update the software in the VSA modulator-control unit .

VSA Modulator-Control Unit After Install - Check

1. Turn the vehicle to the ON mode.

2. Apply and release the parking brake 2 times, then make sure that the brake system indicator (red) goes OFF.

NOTE:

If the brake system indicator (red) does not go OFF, check for a poor connection at the VSA modulator-control unit connector.

VSA Sensor Neutral Position - Memorize