LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2021 >> RDX Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Security System / Keyless Entry System - Testing & Troubleshooting >> Repair Procedures, Tests >> Keyless Access System Registration >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Keyless Access System Registration: Procedure

How To Use This Service Information .

NOTE: If you replace the body control module, the electric steering lock (with electric steering lock), or the TCM (without electric steering lock), the vehicle will not turn to the ON mode. Follow the registration procedure of the corresponding unit.
  1. Keyless Access System - Registration
    NOTE:
    • Check for aftermarket electrical equipment that could cause problems with keyless access operation.
    • While doing the registration, keep the remote away from computers.
    • Programming the remote also programs the keyless transmitter.
    • The body control module can store codes up to 6 remotes.
    • When each unit is replaced, such as updating and learning may be necessary in some cases, also make sure the "After Installation" of each unit.

    When Replacing the Body Control Module or the Electric Steering Lock Control Unit (With Electric Steering Lock) 

    Preconditions 

    Procedure 

    • Do the registration according to the "Immobilizer Setup Tool" screen.

    After Registration 

    • Verify all remote related system works normally with all remotes.

    When Replacing the PCM, the TCM (Without Electric Steering Lock), the VSA Modulator-Control Unit, the Telematics Control Unit, or Registration of the Remote (s) 

    Preconditions 

    Procedure 

    NOTE: If you are replacing the body control module or the electric steering lock control unit, register the body control module or the electric steering lock control unit first.

    1. If all remotes are lost, select "Immobilizer Setup Tool", and turn the vehicle to ON mode according to the instructions on the HDS screen, then go to step 4.

    2. Turn the vehicle to the ON mode.

    3. Select "Immobilizer Setup Tool".

    4. Select the appropriate items, and do the registration according to the instructions on the HDS screen.

    After Registration 

    • Verify system works normally with all remotes.