Used Transmission Control Module (TCM)
Request a VIN-matched quote for a used Transmission Control Module (TCM). Availability, condition, warranty, and shipping are confirmed for your exact vehicle before purchase.
- ✔ Used-part options
- ✔ Add your VIN for fitment review
- ✔ Review warranty terms in the quote
- ✔ Confirm payment method before purchase
Part Details
Your quote request is reviewed against your vehicle details. Before buying, ask for the condition description, mileage when relevant, warranty terms, shipping cost, and final price so you can compare the available options.
Quote status: Live stock and public prices are not displayed. Request a vehicle-specific quote to review the available option and its final terms.
Compatibility: Multiple makes & models
Condition & Quality Standards
Condition grading and inspection practices vary by part and source. Before purchase, request the available condition description, mileage information when relevant, photos, and any inspection or test notes.
About This Transmission Control Module (TCM)
A used transmission control module is usually not a plug-in-and-drive part, and one question decides how hard the repair will be: which of three tiers your vehicle sits in. Tier one, a donor module the car simply runs. Tier two, and this covers most vehicles, a module that must be flashed to your VIN with the calibration matching your engine, axle and options. Tier three, a module tied into the anti-theft system that will not work until it is adapted to the car: Volkswagen's tech tip for 2015-2017 Golf states the mechatronic unit is on the component-protection list and a replacement stores a "transmission control unit locked" fault, P1701, until it is adapted to the immobilizer, and Ross-Tech notes newer Audi models include the transmission as part of the immobilizer system. Settle that, and where the module lives, before you order.
Want the full picture before you buy? Read our used transmission control module buying guide.
Before you order, it helps to read:
Common Signs Your Transmission Control Module May Need Replacing
- Harsh, banging or flaring shifts that a fluid service does not change
- Limp mode - the transmission drops to one gear and stays there
- No upshift, no reverse, or faults that come and go as the car warms up
- A scan tool that cannot communicate with the transmission module at all
- A stored P0700, which only reports that the controller logged a fault
- Torque-converter lockup that never engages, or lockup shudder
Symptoms vary by vehicle and driving conditions. Always confirm diagnosis before replacement.
What to Check When Buying a Used Transmission Control Module
- Get the module diagnosed first - P0700 points at the transmission control system, it is not a verdict on the module itself
- Establish your tier: donor unit runs, VIN flash required, or immobilizer adaptation required
- Match the hardware part number, ask what calibration is loaded, and whether the supplier can pre-flash to your VIN
- Confirm the physical type: standalone module, mechatronic unit inside the transmission, or control built into the PCM
- On Ford applications, note the transmission solenoid strategy number on the transmission case - it is re-entered after a PCM/TCM replacement
- Inspect the connector, pins and grounds, and budget for an adaptive relearn
Ask for these details and any available photos before approving a purchase.
What Happens After You Request a Quote
- We review your vehicle and part request
- Provide your VIN or full vehicle details for fitment review
- Review the available condition, warranty, shipping, and price details
- You decide — no obligation to buy
Response time depends on the part, vehicle information supplied, and current sourcing options.
Popular Vehicles for a Used Transmission Control Module
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Availability & Quote Details
- Live stock and public pricing are not displayed for this Transmission Control Module (TCM)
- Available condition, fitment, warranty, shipping, and final pricing are confirmed only after we review your request
- Ask for warranty and return terms in writing before you buy
- Shipping options are confirmed for the destination and part size
Check Current Availability
We do not display unverified stock records. Send your VIN or year, make, model, and original part number so a specialist can confirm exact fitment and the options currently available.
How Pricing Is Determined
Pricing for used transmission control module (tcm) depends on several factors:
- Vehicle year, make, model, and engine configuration
- Mileage and overall condition of the donor vehicle
- Supplier location and shipping distance
- Warranty coverage offered
A TCM quote is driven by how tightly the module is bound to your car: a standalone module is a different part from a mechatronic unit carrying the controller inside the transmission, and an immobilizer-protected application narrows who can commission it. Programming, adaptation and diagnosis are separate from the part. We do not display prices - request a quote and review the written terms before you buy.
Confirm the final price and fitment basis before approving a purchase.
Frequently Asked Questions
Is a used TCM plug-and-play?
Sometimes, but plan for the opposite. Most replacement modules must be flashed with the correct calibration and paired to your VIN, typically with a J2534 pass-thru tool and the manufacturer's programming software. A smaller group also ties the transmission controller into the anti-theft system, needing a factory-level adaptation. Ask which applies to your application before money changes hands.
Why is my transmission shifting firmly right after the module went in?
That is expected, and it is the most common reason people think a good used module is faulty. The module learns your transmission's clutch fill times, line pressure and shift timing over many drive cycles; a reset module starts from base values. Ford tells technicians to warn customers that after an adaptive strategy reset the relearn "may result in firmer than normal upshifts and downshifts for several days." If it is still harsh after the relearn, have the hydraulic side diagnosed - adaptive learning fine-tunes a transmission, it does not repair one.
What does "transmission control unit locked" mean after fitting a used module?
It means the car saw a controller it has not authorised. Where the module sits on Volkswagen Group's component-protection list, the fix is an immobilizer adaptation with the right tool, not a different module.
Do I even need a TCM, or does my car use a combined computer?
Many vehicles have no standalone TCM: a powertrain control module combines the engine and transmission control units in one housing, so a TCM order would be the wrong part. Others, such as many Chryslers, run separate PCM, TCU and body control modules. Confirm your layout by VIN.
Should I buy a used TCM for my Focus or Fiesta PowerShift?
Check the coverage before you buy anything. Ford extended the transmission control module warranty on the dual-clutch PowerShift cars to 10 years or 150,000 miles, reported for 2014-16 Focus and 2014-15 Fiesta built inside stated date ranges, alongside a seven-year, 100,000-mile extension covering clutch repairs. Because it turns on the build date, have a dealer check your VIN.
My transmission is stuck in limp mode - will a used TCM fix it?
Not on the strength of limp mode alone. Failsafe is what the controller does when it sees something it cannot work around, and speed sensor failures in particular are described as usually causing no shifts or failsafe operation, with codes present sometimes and not always - best caught with a graphing voltmeter or scope. The trade rule on solenoid circuits is blunt: check the circuit before you replace any computer.
Why does the shop want a charger on the car to program the TCM?
Because the flash has to run at a steady voltage. Manufacturers specify a narrow band during programming, generally around the mid-13-volt range, and the trade is blunt about life outside it: voltage that sags can shut a module down mid-process, a spike can abort the procedure, and either can corrupt the data being written or leave the module permanently dead.
I am fitting a used transmission - does my own TCM carry over?
Where the controller is standalone or built into the powertrain computer it stays with your car, but Ford applications need attention. The solenoid strategy number ties the solenoid group to the calibration, and building a unit with a different solenoid group than the vehicle came with risks poor shift quality, engagement problems or converter clutch complaints you cannot correct - on the 6F35, 6F50, 6R80 and 6R140 among others.
How is compatibility verified?
Provide your VIN or full vehicle details so you can review the fitment basis in your quote before approving a purchase.
What if the part does not fit?
Most suppliers offer limited return or exchange options. Warranty and return terms are confirmed before purchase.
How long does shipping take?
Shipping time varies by location, part size, and freight arrangement. Confirm the dispatch and delivery estimate in your quote.
