Keep your automatic transmission shifting on command with the Standard Ignition Automatic Transmission Control Solenoid TCS111. This electro-hydraulic solenoid actuates a valve inside the transmission to control fluid flow for shift timing and gear engagement, and it installs as a direct-fit replacement for a wide range of GM trucks, SUVs and vans — including the 2004-2007 Buick Rainier, 2003-2006 Cadillac Escalade, 2003-2013 Chevrolet Silverado 1500, 2003-2009 Chevrolet TrailBlazer, 2004-2012 GMC Canyon, 2003-2007 Hummer H2 and 2005-2009 Saab 9-7X. See the Buyer's Guide tab for the full list of covered applications.
- 100% copper winding: supports positive valve actuation on command.
- Precision-machined mounting surface: designed to seal the unit against the transmission case.
- OE-matched electricals: resistance and inductance matched to OE standards for proper fit, form and function.
- OE-matching connectors and terminals: intended for a precise connection to the wire harness and a quick, cost-efficient installation.
If a faulty control solenoid is the cause of harsh, delayed or erratic shifting, slipping, or a transmission-related trouble code, this assembly replaces it. Diagnose the cause before replacing.
Interchange: TCS34 · TCS97 · TCS654 · 24219308 · 24224905 · 24230632 · 24241902 · 24248893
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this transmission control solenoid do?
It is an electro-hydraulic solenoid that actuates a valve inside the automatic transmission to control fluid flow, managing shift timing and gear engagement.
Will the TCS111 fit my vehicle?
It is a direct-fit replacement for many 2003-2014 GM trucks, SUVs and vans, plus the Saab 9-7X. Check the Buyer's Guide tab to confirm your exact year, make and model.
What are signs this solenoid may need replacing?
Harsh, delayed or erratic shifting, slipping, or a transmission-related trouble code can be signs. These symptoms have other causes, so diagnose before replacing.
What numbers does this part interchange with?
It replaces TCS34, TCS97, TCS654, 24219308, 24224905, 24230632, 24241902 and 24248893.
Does it come with connectors and terminals?
The assembly uses OE-matching connectors and terminals, matched in resistance and inductance to OE standards for a precise connection and straightforward installation.
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