What happens if you swap PCM?
If you change out the PCM the mileage displayed will not change. When ordering a new computer, from the dealer or a rebuilt, either way, the vendor requires the VIN and mileage to program the computer to match the car, before shipping.
How do you reprogram a PCM?
What is reprogram powertrain control module?
- Open the hood of the vehicle.
- Disconnect the negative battery cable from the battery. Use a wrench to loosen the lock nut, and pull the cable off. This cuts the power to the PCM. Wait for five minutes.
What does it mean when a PCM is reprogrammed?
Powertrain Control Module reflashing is essentially a software upgrade. PCMs are built with microchips that can be reprogrammed electronically without being removed from the vehicle. Dealers or car repair shops might call it a PCM or ECM reprogramming service. They all refer to an upgrade of your PCM’s microchip.
How much does it cost to reprogram PCM?
Prices could range from $80 to $150, depending on the service location you choose. The process takes around about half an hour, but keep in mind that most auto-electricians charge you for at least one hour of work. PCM reprogramming is also one of the few times we’ll recommend a dealership over an independent mechanic.
Can I program a PCM myself?
Reprogramming a PCM requires a J2534 Pass Thru device. Pass thru tools are completely self-contained; some don’t even have an on/off button. There are a dozen or more on the market, and some scan tools have pass thru capabilities too. To reprogram a PCM, the tool must comply with SAE Standard J2534-1.
What happens when you replace the PCM in a car?
After replacing the PCM, the engine may crank and even fire initially, but die almost immediately. Certain Ford vehicles incorporate the Passive Anti-Theft System (PATS). This security feature immobilizes the vehicle by disabling the fuel pump, injectors and possibly the starter, until the ignition key relearn is performed on the car.
How much does it cost to replace a power control module?
I need to replace my Town and Country Power Control Module, but the factory unit costs $700 or more… Since this is a high-mileage vehicle, I’d like to use a remanufactured part, but all the websites are tagged with “scam” or other “thumbs-down” reviews. Does anyone know of a car computer remanufacturer that is trustworthy?
Where can I find the replacement part number for my PCM?
If you’re not sure, you can find your PCM’s OEM replacement part number on the PCM itself, or in your manufacturer’s catalog. For the average person, using the OEM standard replacement is recommended, since it’s guaranteed to work properly with your vehicle and won’t void your warranty.
Is there a warranty on a rebuilt PCM?
There are companies that advertise that if you send them your problematic PCM that they will rebuild , test & program it for your vehicle . When you get it back it’s a plug & play installation . Their prices are are quite a bit less expensive than going through a dealer . Some of them also offer a lifetime warranty .