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  3. LEXUS 8978430010

LEXUS 8978430010 Chassis Emc Anti Theft Locking Control 591-69940 Module

fits model: Gs350. make: Lexus. year: 2007–2009.

8978430010 Lexus 07-09 Gs350 Chassis Emc Anti-theft / Locking Control Module Assembly

( Manufacturer Part Number: 8978430010 ), ( Conditions Options: Rwd, Immobilizer ), ( Genuine Oem: Yes ), ( Ipn: 591-69940 ), ( Descriptionpartcondition: Used Good ), ( Manufacturer Warranty: 6 Month ), ( Type: Control Module )

Review LEXUS Chassis Emc Anti theft Locking Control Module Assembly fits GS350 2007–2009

The Lexus 8978430010 Chassis Electronic Control Module (ECM) with Anti-Theft Locking System is an essential component of the advanced security system in select 2007-2009 GS350 models. This module works in conjunction with the powertrain control module and the immobilizer system to ensure the security and integrity of your vehicle.

The Chassis ECM is responsible for managing various vehicle functions related to the chassis, including the power steering, suspension, and brake systems. In the context of the anti-theft system, this module plays a crucial role by monitoring the status of the ignition switch, the vehicle doors, and the fuel pump circuit.

When the anti-theft system is activated, the Chassis ECM checks the validity of the key fob signal sent from the immobilizer system. If the signal is valid, the engine can be started, and the anti-theft system is deactivated. Should an unauthorized key fob or a tampered ignition attempt be detected, the Chassis ECM will prevent the engine from starting and set off the vehicle alarm, alerting you and potential thieves that an intrusion has occurred.

This module is designed with a high degree of precision and accuracy to ensure reliable and consistent performance. The Chassis ECM is built to stringent OEM specifications and undergoes rigorous testing to ensure it functions as intended. Additionally, it is designed to seamlessly integrate with the existing systems in your Lexus GS350, ensuring a hassle-free installation process.

In the event of a malfunction or failure, the Chassis ECM is covered under a comprehensive warranty, providing you with peace of mind and protection against any unexpected costs. The warranty covers both parts and labor, ensuring a hassle-free repair process.

In summary, the Lexus 8978430010 Chassis ECM with Anti-Theft Locking System is a vital component of your vehicle's security system. It ensures reliable and consistent performance, monitoring the ignition switch, doors, and fuel pump circuit, and integrating with the immobilizer system to prevent unauthorized access and theft. With its high-quality manufacturing and comprehensive warranty coverage, this Chassis ECM is a wise investment for any proud owner of a 2007-2009 GS350.

The Lexus GS350 Chassis EMC (Electric Power Steering, Motor Control, and Anti-Theft Locking System) Anti-Theft Locking Control Module (part number 8978430010) is an essential component of the vehicle's security and steering system. Below are some pros and cons that may help you decide if purchasing this part is the right choice for you.

Pros:

1. Enhanced Security: The primary function of the Anti-Theft Locking Control Module is to prevent unauthorized access to your vehicle. It immobilizes the engine when an attempt is made to steal the car without the key or through hot-wiring.

2. Improved Steering: The Electric Power Steering (EPS) system in the GS350 relies on this module for proper operation. A faulty module may result in power steering issues, making it difficult to maneuver your vehicle.

3. OEM Part: This part is a genuine Lexus replacement, ensuring a perfect fit and optimal performance.

Cons:

1. Cost: Replacing the Anti-Theft Locking Control Module can be expensive, as it is a complex component that requires specialized knowledge and tools to diagnose and install.

2. Labor Intensive: The installation process can be time-consuming and may require the expertise of a professional technician.

3. Potential for Additional Issues: In some cases, a faulty Anti-Theft Locking Control Module may be a symptom of a larger issue within the vehicle's electrical system.

Conclusion:

The decision to purchase the Lexus GS350 Chassis EMC Anti-Theft Locking Control Module (part number 8978430010) depends on the specific needs of your vehicle and your personal preferences. If you are experiencing issues with your vehicle's security or power steering, and have had a diagnosis confirming the faulty module, then replacing it may be the best choice. However, if you are unsure about the diagnosis or the cost, it may be worth considering other options, such as seeking a second opinion or exploring less expensive repairs.

Recommendation:

If you have confirmed that the Anti-Theft Locking Control Module is the root cause of your vehicle's issues, and you have the budget and the means to replace it, then purchasing this part from a reputable dealer or authorized repair facility is the recommended course of action. Ensuring the use of an OEM part will guarantee the best possible fit, performance, and longevity for your Lexus GS350.

Details:

Replace throw out bearing. Replace axle or drive shaft seal. Someone over 18 must be present for delivery. Replace flywheel.

Drain replace engine oils to manufacturers suggested levels. Drain gear lubes and fill to manufacturers specifications. Load is curbside delivery ONLY. Flush inspect transmission cooling lines.

Replace clutch. Adjust throttle position sensor cable. Replace oil, air fuel filters Replace valve cover gaskets. Replace oil pan gasket front/rear main seal.

Replace thermostat gasket. Manual Transmissions. Remove torque converter bracket. Replace Filter and Gaskets.

Install new belts hoses. Properly torque converter. Add fluid to manufacturers suggested levels. Daytime phone number is required load will not deliver until appointment scheduled.

Replace pilot bushing. Inspect replace, gaskets and seals if needed. Automatic Transmissions. Differentials Axle Assemblies.

Inspect and replace, if needed timing gears, chains, pensioner or belts gaskets. Install new spark plugs wires. Install new water pump. Use manufacturer recommended Transmission fluid.

Inspect adjust or replace shiftier linkages. Clear all computer fault codes. Replace all seals. Clean the oil sump screen pickup tube.

Flush cooling system and refill with antifreeze to appropriate level.

part #: 8978430010 prices

  • $84.00-$125.00

specifications electvehic:

  • for models: Gs350
  • for makes: Lexus
  • for years: 2007-2009
  • mpn: 8978430010
  • conditions options: Rwd, Immobilizer
  • genuine oem: Yes
  • ipn: 591-69940
  • descriptionpartcondition: Used Good
  • manufacturer warranty: 6 Month
  • type: Control Module

returns electvehic:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

shipping electvehic:

  • service: USPS Priority Mail
  • cost: $0.00
  • transit: 5-8 Days
  • type: Fixed
  • class: Expedited
  • carrier: USPS

general electvehic:

  • condition: Used
  • Car Truck Parts Accessories > Electric, Hybrid PHEV Specific Parts > Control Modules

offer electvehic:

  • best offers: True
  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • started: May 14, 2026

seller electvehic:

  • city: Rancho Cordova, California
  • # reviews: 9534
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for models: gs350, for makes: lexus, for years: 2007-2009, conditions options: rwd, immobilizer, genuine oem: yes, descriptionpartcondition: used good, manufacturer warranty: 6 month, type: control module,
manufacturer: lexus, category: auto parts > car truck parts accessories > electric, hybrid phev specific parts > control modules, sku: 17065842336272602,
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5 offers $84.00–$125.00 USD
  • Used. Offer #1 priced at $99.99 + $0.00 shipping estimate = $99.99* total. -Replace flywheel. Inspect & adjust or replace shifter linkages.FREE SHIPPING
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  • Used. Offer #3 priced at $125.00 + $0.00 shipping estimate = $125.00* total. FREE SHIPPING
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