Ford F150 TC04A gearbox
The code TC04A identifies a specific Ford 6R80 6-speed automatic transmission assembly. It is commonly found in the 2015–2017 Ford F-150 (13th Generation) equipped with the 3.5L EcoBoost (Twin-Turbo) V6 and 4×4 drivetrain.
In Ford’s part-numbering system, “TC04A” acts as a shorthand “ID Code” or “Tag Number” that allows salvage yards and technicians to quickly verify the exact internal calibration and physical configuration (bellhousing, output shaft, and torque converter) of the unit.
Technical Specifications: 6R80 (TC04A)
| Feature | Details |
| Manufacturer | Ford (based on ZF 6HP design) |
| Speeds | 6 Forward, 1 Reverse |
| Input Torque | Rated for $approx$ $800\text{ Nm}$ ($590\text{ lb-ft}$) |
| Fluid Type | MERCON LV (Low Viscosity) |
| Fluid Capacity | $approx$ $12.4\text{ Liters}$ ($13.1\text{ Quarts}$) |
1. Vehicle Application
The TC04A variant is specifically built for high-torque applications. It is most frequently found in:
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2015–2016 Ford F-150: 3.5L V6 EcoBoost, 4WD models.
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Ford Expedition / Lincoln Navigator: (Select 2015–2017 4×4 models).
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Ford Ranger (International/T6): This code also appears on high-spec 3.2L Diesel and 2.0L Bi-Turbo units in global markets.
2. Physical Characteristics
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The “4×4” Tailshaft: This unit features a short output shaft and a mounting flange designed to bolt directly to the Transfer Case. It cannot be used in a 2WD truck without a complete teardown and main-shaft swap.
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Integrated Lead Frame: The 6R80 uses an internal “Lead Frame” that houses the Output Shaft Speed (OSS) and Turbine Shaft Speed (TSS) sensors.
3. Critical Inspection for Resale (Inventory Guide)
If you are stocking or inspecting a TC04A unit, check these three specific areas:
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The Lead Frame Connector: Look for oily residue inside the 6-pin electrical connector. A common failure in the 6R80 is “wicking,” where fluid pulls through the connector, causing the truck to suddenly downshift into 1st gear (a major safety recall item for this era).
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Torque Converter Blueing: Inspect the torque converter for heat discoloration (blue/purple tints). The 3.5L EcoBoost generates high heat during towing, which can “cook” the converter lock-up clutch.
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Case Casting: Verify the OEM base part number on the white sticker; for the TC04A, you will often see a prefix like FL3P-7000 or HL3P-7000.
4. Professional Maintenance Tip
The 6R80 does not have a traditional dipstick under the hood. To check the fluid level, you must use the “Shorty” dipstick located behind a 19mm bolt on the passenger side of the transmission case, directly above the exhaust.
Warning: The fluid must be checked while the engine is running and the transmission is at operating temperature ($80\text{°C}$–$90\text{°C}$), which puts your hand very close to the hot catalytic converter.
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