Standard Ignition TCS141 Automatic Transmission Control Solenoid

Automatic Transmission Lock-Up Solenoid

Standard Ignition TCS141 is an automatic transmission control solenoid for lock-up applications in select Lexus and Toyota vehicles. It is built with a female connector, male mini-blade terminals, and a rectangular 1-connector design for direct transmission service replacement.

Key Features

• Automatic transmission control solenoid for lock-up operation
• Female connector with 2 male mini-blade terminals
• Rectangular connector shape with push-on attachment method
• Metal and plastic construction
• No gasket, harness, bracket, or mounting hardware included
• Direct replacement for Standard Ignition TCS41 and TCS64
• Cross-references 3528030050 and TCS684 for the same application

Detailed Description

Standard Ignition TCS141 is a transmission solenoid used in lock-up control circuits across a wide range of Lexus and Toyota models, including Lexus GS350, IS350, RC350, and Toyota 4Runner, Tacoma, FJ Cruiser, Tundra, Sequoia, and Land Cruiser. This part number is also listed for Lexus GS300, IS300, RC300, GS450h, GS200t, IS200t, RC200t, GS460, SC430, GX470, GS430, LX470, LS430, and Toyota Tacoma and Sequoia automatic transmission applications. If you are servicing a Lexus IS350 lock-up solenoid or replacing a Toyota Tacoma automatic transmission control solenoid, TCS141 matches the listed OE-style fitment.

What It Helps Fix

• Transmission lock-up engagement concerns
• Erratic torque converter clutch operation
• Transmission control solenoid electrical faults
• Shift quality issues related to lock-up control
• Diagnostic trouble codes tied to automatic transmission solenoid performance

Installation Notes and Tips

Verify the transmission code and connector style before installation. This part uses a push-on attachment method, a rectangular 1-connector layout, and 2 mini-blade terminals. It does not include a wiring harness, gasket, bracket, or mounting hardware, so reuse or source any required service components separately. Confirm the vehicle is equipped with an automatic transmission, as some listed applications are specific to automatic transmission control solenoid service.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and transmission service parts. TCS141 is cataloged as a direct replacement solenoid for the listed Lexus and Toyota applications and is supported by the published interchange references and fitment data.