6L90 Complete Transmission Valve Body – OEM GM – Tested

This listing is for a complete OEM GM 6L90 transmission valve body assembly, professionally inspected and tested to ensure proper operation before shipment.

🔧 What’s Included

• OEM GM 6L90 Valve Body
• Integrated TCM (Transmission Control Module)
• Solenoid pack & internal harness
• Pressure switches and all internal components as pictured

This is a complete unit – no parts swapping required.

🧪 Quality & Testing

• All solenoids are ohm tested and checked for proper electrical function
• Valve body passages inspected for wear and debris
• TCM inspected for damage or corrosion
• Unit verified to meet OEM operating specifications

⚠️ Programming Requirement (IMPORTANT)

• This unit is NOT plug-and-play
• Programming is required after installation
• Must be programmed using GM SPS / dealer-level diagnostic equipment
• We recommend installation by a qualified transmission shop or technician

🚗 Fitment

• Designed for vehicles equipped with the GM 6L90 automatic transmission
  

• Commonly found in heavy-duty GM trucks and SUVs
• VIN verification is strongly recommended prior to purchase to ensure compatibility

📦 Additional Notes

• OEM GM part — not aftermarket
• No core return required (unless otherwise stated)
• Professional installation recommended
• Electrical items are non-returnable if installed or programmed