Standard Ignition TCS123 Automatic Transmission Control Solenoid
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Standard Ignition

Standard Ignition TCS123 Automatic Transmission Control Solenoid

Brand Standard Ignition TCS123
Attachment Method Push On
Connector Gender Female
Connector Shape Square
Contents Solenoid
Gaskets Included Yes
Hardware Included No
Material Metal
Mounting Bracket(s) Included Yes
Terminal Gender Male
Terminal Type Blade
Wiring Harness Included No
Fits Honda · 17 vehicles

Bolt-on installation. Includes a mounting bracket and molded rubber/plastic gasket.

Grounded base. Built with metal and plastic for dependable transmission control.

Single-solenoid design. Compact automatic transmission control solenoid with one connector.

Cross-references Standard Ignition TCS46, Standard Ignition TCS90 and Standard Ignition TCS123 for the same application. See all 5.

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Automatic Transmission Control Solenoid for Honda Civic and Fit

Standard Ignition TCS123 is an automatic transmission control solenoid built for specific Honda applications that use Shift Solenoid B. It is a direct-fit transmission electrical component for 2006-2015 Honda Civic and 2007-2013 Honda Fit models, with fitment confirmed by year and application.

Key Features

  • Fits 2006-2015 Honda Civic, Shift Solenoid B
  • Fits 2007-2013 Honda Fit, Shift Solenoid B
  • Inside transmission mounting location
  • Bolt-on attachment method with included mounting bracket
  • Female connector with male blade terminal
  • Rectangle connector shape with 1 connector and 1 terminal
  • Metal and plastic construction with grounded base
  • Molded rubber/plastic gasket included

Detailed Description

Standard Ignition TCS123 is an automatic transmission control solenoid designed for Honda Civic and Honda Fit vehicles that use Shift Solenoid B. The unit mounts inside the transmission and uses a bolt-on design, a rectangular single-connector layout, and a blade-style terminal for a direct electrical connection. Standard Ignition TCS123 also includes a molded rubber/plastic gasket and mounting bracket for a service-ready replacement.

This part cross-references Honda OE number 28500RPC003 and Standard Ignition TCS666 for the same application. It is a practical replacement choice when servicing transmission shift control on 2006-2015 Honda Civic and 2007-2013 Honda Fit models.

Common Issues This Part Can Address

  • Shift Solenoid B electrical faults
  • Transmission shifting irregularities
  • Delayed or harsh gear changes
  • Transmission warning light related to solenoid operation
  • Internal transmission solenoid replacement during service

Installation Notes and Tips

Install Standard Ignition TCS123 inside the transmission at the original solenoid location. Verify connector style, terminal type, and gasket condition before installation. Clean the mounting surface and confirm the bolt-on bracket seats correctly to help maintain a secure fit on Honda Civic and Honda Fit applications.

Quality Assurance

Standard Ignition supplies transmission control components for service replacement applications, and this solenoid is built with a metal and plastic housing, grounded base, and molded gasket for consistent installation characteristics.

Related reading

This part fits 17 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2015HondaCivicN/AShift Solenoid B
2014HondaCivicN/AShift Solenoid B
2013HondaCivicN/AShift Solenoid B
2013HondaFitN/AShift Solenoid B
2012HondaCivicN/AShift Solenoid B
2012HondaFitN/AShift Solenoid B
2011HondaCivicN/AShift Solenoid B
2011HondaFitN/AShift Solenoid B
2010HondaCivicN/AShift Solenoid B
2010HondaFitN/AShift Solenoid B
2009HondaCivicN/AShift Solenoid B
2009HondaFitN/AShift Solenoid B
2008HondaCivicN/AShift Solenoid B
2008HondaFitN/AShift Solenoid B
2007HondaCivicN/AShift Solenoid B
2007HondaFitN/AShift Solenoid B
2006HondaCivicN/AShift Solenoid B
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — TCS46Standard Ignition — TCS90Standard Ignition — TCS12328500RPC003TCS666