HomeTransmission > Transmission Hard PartsStandard Ignition TCS123 Automatic Transmission Control Solenoid
Part #: TCS123

Standard Ignition TCS123 Automatic Transmission Control Solenoid

⚙️ 17 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Honda, Civic and Fit
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Reliable Automatic Transmission Control Solenoid for Honda Civic and Fit

The Standard Ignition TCS123 automatic transmission control solenoid is designed to provide precise control within your vehicle's transmission system. Engineered for Honda Civic and Fit models, this solenoid ensures smooth shifting and optimal transmission performance.

Key Features of the Standard Ignition TCS123 Solenoid

  • Connector Gender: Female for secure electrical connection
  • Terminal Gender: Male blade terminal for reliable contact
  • Attachment Method: Bolt on for straightforward installation
  • Connector Quantity: Single rectangular connector
  • Includes molded rubber/plastic gaskets for proper sealing
  • Grounded base design enhances electrical stability
  • Mounting bracket included with one mounting hole
  • Constructed from durable metal and plastic materials
  • Designed for installation inside the transmission housing
  • Single solenoid and terminal included, no wiring harness or hardware

Detailed Description of the TCS123 Transmission Control Solenoid

The Standard Ignition TCS123 automatic transmission control solenoid is a critical component for managing hydraulic pressure and shifting in automatic transmissions. Featuring a female connector and a male blade terminal, this solenoid offers a secure and precise electrical interface. Its bolt-on attachment method and included mounting bracket simplify installation inside the transmission case. Molded rubber and plastic gaskets ensure a tight seal to prevent fluid leaks, while the grounded base supports consistent electrical performance. Constructed from metal and plastic, the solenoid is built to withstand the demanding environment within Honda Civic and Fit transmissions.

Common Transmission Issues Addressed by the TCS123 Solenoid

  • Erratic or delayed gear shifting in Honda Civic and Fit models
  • Transmission slipping or failure to engage gears properly
  • Transmission overheating due to improper hydraulic control
  • Check engine light triggered by transmission solenoid faults
  • Reduced fuel efficiency caused by transmission performance issues

Installation Notes and Tips for the TCS123 Solenoid

  • Ensure the vehicle is safely lifted and transmission fluid is drained before removal
  • Verify the female connector and male blade terminal align correctly with the vehicle harness
  • Use the included mounting bracket and bolt-on method for secure placement
  • Replace molded gaskets to maintain proper sealing and prevent leaks
  • Check for any transmission codes after installation and clear if necessary

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TCS123 automatic transmission control solenoid undergoes rigorous quality control testing. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or your parts provider for exact warranty terms.

BrandStandard Ignition
Part NumberTCS123
Attachment MethodPush On
Connector GenderFemale
Connector ShapeSquare
ContentsSolenoid
Gaskets IncludedYes
Hardware IncludedNo
MaterialMetal
Mounting Bracket(s) IncludedYes
Terminal GenderMale
Terminal TypeBlade
Wiring Harness IncludedNo

This part fits 17 vehicles. Search below:

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

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

13-040128500RPC0032N123052-0709TCS46TCS666TCS90

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.