2013-2017 Lexus LS460 Remote Touch Controller: Failures and LWB Compatibility

Symptoms of a Failing Remote Touch Controller

Failures with the LS460's infotainment controller can be either physical or functional. It's important to distinguish between a hardware failure of the controller itself and a software issue with the main infotainment unit, as the symptoms can sometimes overlap.

• Unresponsive or Erratic Cursor: The pointer on the screen may not move, may be stuck, or may jump around unpredictably when you move the joystick.
• Buttons Not Working: The 'Enter' buttons on the side of the controller or the 'Menu' and other shortcut buttons may stop responding to clicks.
• Physical Wear and Damage: The chrome trim around the joystick is known to peel, which can create very sharp edges that are a cutting hazard. The leather or soft-touch material on the top of the controller can also wear out, crack, or become sticky.
• Loss of Haptic Feedback: The controller may stop providing the tactile 'bump' feedback as you move across screen icons, making it harder to use while driving.
• Intermittent Electrical Issues: In some cases, owners have reported that a group of center console buttons, including those for sunshades and parking sensors, fail intermittently along with mirror controls. This may point to a related wiring or module fault rather than just the controller itself, and some owners have noted the issue is sensitive to cabin temperature.

Known Issues, TSBs, and Recalls

While there are no specific recalls for the Remote Touch controller on the 2013-2017 LS460, there is a critical service bulletin related to the infotainment system's performance.

Technical Service Bulletin L-SB-0006-18

This TSB applies to 2015-2017 LS460 models (among other Lexus vehicles) and addresses a wide range of infotainment problems. If your vehicle experiences any of the following, a software update is the prescribed fix, not hardware replacement:

• Black or blank display screen, especially after a battery change
• System reboots or resets intermittently
• Frozen, slow, or unresponsive system
• Bluetooth connectivity issues
• Incorrect clock display or navigation errors

You can check your software version through the system's menu. If the version is older than the one specified in the TSB, updating the software at a dealership may resolve your issue without needing a new controller.

Buying a Used Infotainment Display Control Switch

Purchasing a used controller can be a cost-effective solution, but careful verification is essential to avoid buying an incompatible part. Used controllers are often sold as part of the entire upper console panel.

Compatibility: The LWB vs. SWB Trap

The most significant issue when buying this part used is the difference between the Long Wheelbase (LWB) and Short Wheelbase (SWB) models. The center console assemblies are often different.

• Check the Donor Vehicle: The console assembly is tied to specific vehicle options, such as the presence of rear heated/climate seats, which are more common on LWB models. A console from an LWB model with rear climate controls will not fit a SWB model without those options.
• Match Part Numbers Exactly: The safest method is to match the part number from your original unit. The controller itself is often marked with part number 84780-50010. If you are buying the entire console assembly, you must match the assembly part number, such as 58805-50360-C0 (for a specific configuration with premium leather and rear climate seats).
• Get the VIN: Ask the seller for the Vehicle Identification Number (VIN) of the car the part came from. A Lexus dealership parts department can use the VIN to confirm the vehicle's original configuration (LWB/SWB, options) to help verify compatibility.

Physical Inspection

• Inspect the Chrome Trim: Carefully check the chrome surround of the joystick for any signs of peeling, bubbling, or sharp edges.
• Check for Wear: Examine the top surface of the controller for excessive wear, stickiness, or cracks in the material.
• Test the Buttons: If possible, press all the buttons (Enter, Menu, Map, etc.) to ensure they have a solid, tactile click and are not stuck.
• Look for Liquid Damage: Check the seams and crevices for any sticky residue from spilled drinks, which is a common cause of failure for console electronics.

Cost Comparison

Prices can vary based on condition and source. Aftermarket options for this specific controller assembly are generally not available, making OEM or used OEM the primary choices.

Installation Overview

Replacing the Remote Touch controller involves removing the upper center console assembly. While not overly complex, it requires care to avoid damaging interior trim panels.

• Difficulty: 3 out of 5
• Estimated Time: 1 - 1.5 hours
• Tools Required: Plastic trim removal tools, Phillips screwdriver, 10mm socket.

The general steps include popping off the side trim panels of the center console, unscrewing the shift knob, removing a few retaining screws, and carefully lifting the entire upper console panel. Once lifted, several electrical connectors for the controller and other switches must be disconnected before the assembly can be fully removed.

Frequently Asked Questions (FAQ)