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.

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HOMESERVICE MANUALSHONDA2008CIVIC SI, 4D SEDANREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTWARNING SYSTEMSTIRE PRESSURE MONITORING SYSTEM (EXCEPT HYBRID)TPMS CONTROL UNIT REPLACEMENT

2008 Honda Civic Si, 4D Sedan

TPMS Control Unit Replacement

2008 Honda Civic Si, 4D SedanSECTION TPMS Control Unit Replacement

NOTE: Make sure the TPMS control unit mounting bracket is not bent or twisted as this may affect its communication with 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).

Fig 1: TPMS Control Unit, Connector And Bracket With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the TPMS control unit (B) from the bracket (C).
NOTE: While separating the TPMS control unit from the bracket, add in a flat-tipped screwdriver between the TPMS control unit and the bracket at shown aria (D) to release the hook (E), and slide out the TPMS control unit from the bracket.
Replace the bracket if necessary.
Install the new 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 pressure sensor IDs using the TPMS sensor initializer tool (see MEMORIZING THE TIRE PRESSURE SENSOR ID ).

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.