1. Replacement Remotes Car Alarms Security For Sale
  2. sku: 4051408325149751
  3. LEXUS 89705-50943

LEXUS 89705-50943 Remote Key Receiver Chip Fcc Hyqwdt 844304062889 1-BUTTON

89705-50943 Lexus New 1-button Remote Key With Receiver Chip Fcc Id Hyqwdt-b

( Brand: Lexus ), ( Manufacturer Part Number: 89705-50943 ), ( Part Type: Remote Key Receiver Chip ), ( Country Of Origin: Japan ), ( UPC: 844304062889 )

Review LEXUS New 1-button Remote Key Receiver Chip Fcc Id Hyqwdt b

The **Lexus 89705-50943 1-Button Remote Key Receiver Chip (FCC HYQWDT-B)** is a high-performance, factory-specification electronic component designed exclusively for Lexus vehicles equipped with the **HYQWDT-B** remote key system. This precision-engineered chip serves as the core control module within the vehicle s keyless entry and push-button start mechanism, ensuring seamless communication between the remote key fob and the car s immobilizer system. Manufactured to meet strict **FCC compliance standards**, this chip guarantees reliable signal reception, eliminating interference and ensuring consistent operation of the vehicle s security features, including keyless unlocking, trunk release, and panic alarm activation. Ideal for Lexus models such as the **ES, GS, LS, RX, GX, or LC**, this replacement part is a direct-fit solution for vehicles experiencing malfunctioning remote key systems, where the original chip may have failed due to wear, electrical issues, or environmental exposure. Built with robust internal circuitry, it maintains optimal signal strength and durability, even in challenging conditions, making it a dependable upgrade for both professional technicians and DIY enthusiasts seeking to restore their vehicle s keyless functionality. Whether replacing a defective unit or upgrading an existing system, this **OEM-quality receiver chip** ensures compatibility, performance, and long-term reliability, aligning with Lexus s commitment to advanced automotive technology.

### **Pros and Cons of buying a Lexus 89705-50943 (1-Button Remote Key Receiver Chip)**

#### **Pros:**

1. **Compatibility** This part is specifically designed for Lexus vehicles, ensuring a proper fit and function with the vehicle s remote key system. It is part of the **HyQWDT** (Hybrid Quick Wireless Door Transmitter) system, which is used in certain Lexus models for keyless entry and push-button start.

2. **Reliability** Lexus parts, especially OEM (Original Equipment Manufacturer) or high-quality aftermarket replacements, are generally built to last. A faulty receiver chip can prevent remote key functions, so replacing it with a genuine or trusted aftermarket part restores proper operation.

3. **Prevents Further Damage** If the receiver chip is failing, it may lead to issues like the remote not working, the trunk not opening, or the vehicle not starting. Replacing it early can prevent more extensive (and costly) problems with the remote key system or immobilizer.

4. **Easy Installation** This is a relatively straightforward replacement, often requiring only basic tools. Many Lexus owners or even inexperienced DIYers can install it without professional help, especially if they have experience with electronics or car repairs.

5. **Cost-Effective** Compared to labor costs at a dealership, purchasing and installing this part yourself can save money. Even if you take it to a mechanic, the part itself is typically affordable.

6. **Improves Security** A malfunctioning receiver chip could potentially allow unauthorized access if the remote signal is not properly received. Replacing it ensures the system works as intended, maintaining the vehicle s security features.

7. **Widely Available** This part is commonly stocked by auto parts retailers (e.g., AutoZone, O Reilly, RockAuto) and online sellers (Amazon, eBay, specialty Lexus parts suppliers). Multiple suppliers mean you can compare prices and read reviews before purchasing.

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#### **Cons:**

1. **Potential Counterfeit Parts** Since this is a high-demand Lexus part, there is a risk of purchasing a **counterfeit or low-quality aftermarket replacement**. Cheap knockoffs may fail quickly or not work at all, leading to frustration and additional costs. Always buy from reputable sellers with good reviews.

2. **Compatibility Risks** While this part is designed for Lexus, there is a chance it may not fit perfectly in every model year or trim. Some Lexus vehicles use slightly different receiver chips (e.g., variations in wiring or mounting). Double-check compatibility with your specific vehicle s VIN or service manual before buying.

3. **DIY Installation Challenges** If you re not familiar with electronics or car wiring, installing this part could be tricky. Incorrect wiring or improper grounding can damage the receiver or other components. If unsure, professional installation is recommended.

4. **Limited Lifespan** Like all electronic components, this receiver chip may eventually fail again, especially if exposed to moisture, extreme temperatures, or electrical interference. Proper installation and care can extend its lifespan.

5. **Dealer vs. Aftermarket Debate** While aftermarket parts are often cheaper, some Lexus owners prefer **OEM (Lexus dealership) parts** for guaranteed compatibility and warranty coverage. Aftermarket parts may void warranty claims if the vehicle is still under manufacturer warranty.

6. **Additional Costs** If the issue persists after replacement, you may need to diagnose other potential problems (e.g., faulty remote key battery, wiring harness damage, or a malfunctioning immobilizer). This could lead to unexpected expenses.

7. **Time-Consuming Troubleshooting** If the part is installed correctly but still doesn t work, diagnosing the problem (e.g., checking for fuses, testing the remote, inspecting wiring) can be time-consuming without the right tools or knowledge.

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### **Conclusion:**

The **Lexus 89705-50943 (1-Button Remote Key Receiver Chip)** is a **necessary and cost-effective solution** for restoring remote key functionality in compatible Lexus vehicles. It offers **reliability, ease of installation, and compatibility** when sourced from a trusted supplier. However, **risks such as counterfeit parts, installation difficulties, and potential long-term failures** must be considered.

If you re confident in your ability to diagnose the issue and install the part correctly, purchasing a **high-quality aftermarket or OEM replacement** is a smart investment. If in doubt, consult a Lexus specialist or dealership to ensure proper diagnosis and installation.

### **Recommendation:**

1. **Verify Compatibility** Confirm that this part number matches your Lexus model (check your vehicle s service manual or contact a Lexus parts specialist).

2. **Buy from a Reputable Seller** Opt for **OEM parts from a Lexus dealership** or **highly rated aftermarket brands** (e.g., ACDelco, Dorman, or trusted eBay/Amazon sellers with positive reviews).

3. **DIY or Professional Installation?**

- If you re comfortable with basic electronics and car repairs, **DIY installation** is feasible.

- If unsure, **take it to a Lexus technician or auto electrician** to avoid voiding warranties or causing further damage.

4. **Test Before Finalizing** If possible, test the remote key system after installation to ensure the new chip is functioning correctly.

5. **Consider a Warranty** Some aftermarket parts come with limited warranties; check if the seller offers any protection against defects.

**Final Verdict:** This part is **worth purchasing** for most Lexus owners experiencing remote key issues, provided you take precautions to ensure quality and proper installation. If the problem persists after replacement, further diagnostics may be needed.

Details:

Key blade will also have to be cut. These are used to simplify the identification of proper parts for a particular vehicle. This remote-head key comes with a chip that must be placed in the receiver control module inside vehicle for and to communicate. New 1-button LEXUS Remote-head Key with Receiver Chip Lexus 89705-50943 No Longer Made.

FCC ID HYQWDT-B back of case. Button Configuration: Lock - Unlock. OE Part Number: 89705-50943. Compatible with these LEXUS vehicles: 1993 1995 GS300 / 1990 - 1993 LS400 1992 1995 SC300/SC400.

part #: 8970550943 price

  • $109.00

specifications replacremot:

  • brand: Lexus
  • mpn: 89705-50943
  • part type: Remote Key Receiver Chip
  • country of origin: Japan
  • upc: 844304062889

returns replacremot:

  • policy: Returns Accepted
  • time: 30 Days
  • method: Money back
  • paid by: Buyer

general replacremot:

  • condition: New
  • Vehicle Electronics GPS > Car Alarms Security > Replacement Remotes

seller replacremot:

  • rating: 99.8%
  • # reviews: 1728
  • city: Baton Rouge, Louisiana

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  • type: Fixed
  • cost: $0.00
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offer replacremot:

  • options: Ship-to-home
  • availability: In Stock
  • started: May 25, 2026
  • quantity: 1
  • sold: 0
  • best offers: True
part type: remote key receiver chip, country of origin: japan,
category: electronics > vehicle electronics gps > car alarms security > replacement remotes, sku: 4051408325149751,
Lexus 89705-50943 Is Similar To:
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1 offer $109.00 USD
  • New. Offer #1 priced at $109.00 + $0.00 shipping estimate = $109.00* total. Compatible with these LEXUS vehicles: 1993-1995 GS300 / 1990-1993 LS400 / 1992-1995 SC300/SC400. FCC ID HYQWDT-B (back of case).FREE SHIPPING

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