TPMS Control Unit Replacement

WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Make sure the TPMS control unit mounting bracket is not bent or twisted as this may affect its communication with the initiators and the tire pressure sensors.

Turn the ignition switch to LOCK (0).
Remove the driver's dashboard undercover (see DRIVER'S DASHBOARD UNDERCOVER REMOVAL/INSTALLATION ).
Disconnect the TPMS control unit connector (A).
NOTE: The TPMS control unit is located on the brake pedal bracket.

Fig 1: TPMS Control Unit Connector, Flange Bolt And TPMS Control Unit With Torque Specification
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the flange bolt (B) from the brake pedal bracket.
Remove the TPMS control unit (C) with the bracket (D).
Remove the TPMS control unit (A) from the bracket (B).
NOTE: While separating the TPMS control unit from the bracket, release the hook (C) on the TPMS control unit using a flat-tipped screwdriver (D), and push it up to remove the bracket.

Fig 2: Identifying TPMS Control Unit And Hook
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the TPMS control unit in the reverse order of removal.
NOTE: Make sure the TPMS control unit is properly installed. You will hear a click when the TPMS control unit is securely mounted on the bracket.
Connect the HDS, and memorize the tire pressure sensor IDs (see MEMORIZING A TIRE PRESSURE SENSOR ID ). Do not memorize the IDs automatically.