8990430222 Toyota TRANSMITTER, Price: 239.83$, Weight: 0.032kg

    • Make Number Name Availability Weight, kg Ship in, Days Price

    Toyota

    8990430222

    TRANSMITTER

    		 0

    0.032

     Dispatch 24h

    239.83$
    Not Available

    Originals

    Make Number Name Availability Weight, kg Processing, days Price  
    Toyota
    8990430222 
    TRANSMITTER
    		34
    0.037
    2-3
    266.21$
     

    Substitutions

    Make Number Name Availability Weight, kg Processing, days Price  
    Toyota
    8978335010 
    AMPLIFIER, TRANSPONDER KEY
    		1
    0.095
    2-3
    94.48$
     
    Toyota
    8978333131 
    AMPLIFIER, TRANSPONDER KEY
    		6
    0.031
    2-3
    86.50$
     
    Toyota
    8990430220 
    TRANSMITTER SUB-ASSY, ELECTRICAL KEY
    		0
    0.038
    -
    233.43$
    		 Not Available
    Toyota
    8990430221 
    TRANSMITTER SUB-ASSY, ELECTRICAL KEY
    		0
    1.15
    -
    205.15$
    		 Not Available
    Toyota
    8978550030 
    TRANSMITTER, TRANSPONDER KEY MASTER
    		0
    0.028
    -
    44.66$
    		 Not Available

    Smart Key Signal Transmitter Module ??

    This signal transmitter module is a core part of the vehicle’s smart key / immobilizer communication. It’s needed to let the car recognize an authorized key, allow secure unlocking, and support push-start authorization. Without a healthy transmitter, the security system can’t “hear” the key correctly, even when the key battery is good.

    How It Works

    The module sends and receives coded radio signals between the key fob and the vehicle’s control units. It confirms the encrypted ID, then permits functions like door locking/unlocking and engine start. The system constantly checks signal strength and validity to prevent theft and wrong-key starts.

    When This Part Fails ⚠️

    • Intermittent or complete no-start with “key not detected” warning
    • Remote locking range becomes very short or stops working
    • Alarm may trigger unexpectedly or immobilizer stays active
    • Extra battery drain as the system retries communication

    Why Replace It

    Replacing a weak transmitter restores stable key recognition, improves remote response, and keeps the anti-theft system operating as designed—critical for daily reliability and security.

    Compatibility ✅

    • Carnival 24 (2024-)