Quick Answer: Can You Swap ECU From Car To Car?

How long does battery need to be disconnected to reset ECU?

about 30 secondsIt’s a real tight fit, but if you can find it and disconnect it, leave it disconnected for 30 seconds.

The nice thing about this method over the “disconnect the negative cable” method is that you don’t have to reprogram your radio.

If you can’t find it, then do the negative cable – again for about 30 seconds..

Do old cars have ECU?

Broadly speaking no. Certainly none from the 50s or 60s do. Some stuff from the 70s onwards started to have electronic ignition, and electronically controlled fuel injection. Then of course there are emissions controls gear that started to appear from the early 70s, particularly in American and Japanese vehicles.

What year cars don’t have computers?

1980Most domestic cars, 1980 and older, did not use computers although there were a few exceptions; 76 Cadillac El Dorado for example and a few strays along the way such as the valued collector car, fuelie Vettes, 50s era Pontiac FI cars, etc.

Does a new ECU need programming?

A “new” ECU will almost certainly need programming to the car – if nothing else there will be anti-theft measures such as the immobilizer to consider and potentially other systems in the car for it to be configured with.

How do I reprogram my ECU in my car?

Programming overviewConnect the vehicle interface cable to the OBD-II connector and turn the ignition switch to ON.Open the ProECU software and choose Tools then Detect Vehicle.Select Program Engine ECU.Choose Query ECU to identify the ECU version fitted to the car.More items…

Can disconnecting battery reset ECU?

Will disconnecting battery reset ECU? Can a ECU be reset? Yes, all ECU (Engine Control units) can be reset and be should reset once per manufacturer’s guideline for a smooth relearn process or upon installing a replacement unit.

What does resetting car ECU do?

“Resetting the ECU” is the process of clearing all the long term memory from the ECU’s memory. These variables trim idle speed, fuel, spark, and more. The ECU will also store trouble codes for diagnostic capability.

How do you remove an ECU from a car?

The ECU is a metal box with a white sticker displaying a four-digit code. Unplug the wiring harness from the hookup on the back of the ECU. Use a 10 mm socket to disconnect the bracket holding the ECU in place and pull the unit out of the glove box area. It can now be serviced or replaced as necessary.

How long does it take for ECU to relearn?

It could take as little as 30 minutes if you drive exactly in a specified way. Other times it may take a week or so. In the end, it does matter though because the engine control module is constantly learning and making sure your car is running optimally.

How much does it cost to reset computer in car?

Depending on your make and model, the computer itself will run anywhere from $100 to $1,000. Most of them are located underneath the dashboard inside the cabin of the vehicle. Labor will run an hour or two because of the reprogram that needs to happen once the new computer is installed.

How much does it cost to have ECM programmed?

Pre-Programmed Engine Control Modules ECM Repair costs and labor at a dealership could be anywhere from $1,000 to $2,000 depending on the vehicle. Once the control module is installed then the unit must be programmed to match the vehicle it’s being installed in which requires expensive software and equipment.

Can a second hand ECU be reprogrammed?

Yes. In fact, if you want to change the ECU for any reason, a dealer will have to reprogram your keys into the ECU. Or it will not start.

Can you run a car without ECU?

The ECU is the brain of the fuel injection system and is absolutely necessary. If it is damaged, it may still run and drive depending on the severity of the damage, but if missing entirely, it absolutely will not run.

Why would a car’s computer need to be reprogrammed?

Reprogramming can improve spark plug timing and fuel enrichment—and can help boost pressure on turbocharged engines to squeeze out every last drop of horsepower. Reprogramming your ECM is necessary for keeping your vehicle control software up to date.

Is ECU and ECM the same thing?

The ECU is your car’s main computer. The engine control unit (ECU), also commonly referred to as the engine control module (ECM) or powertrain control module (PCM), is one of the most important components found on virtually all modern vehicles.

Can a car computer be reprogrammed?

We Can Reprogram Any Make/Model Car Computer. … Car computer reprogramming, which is also known as flashing, is a process which erases the old engine control modules or ECMs at which time the most recent software from the manufacturer is installed.

Can you swap PCM from one car to another?

Visit lazyxj’s homepage! Re: Can you swap pcm’s from one vehicle to another? Yes you can switch them around all you want as long as it is from the same year and the part number is the same (the 2 letters at the end dont matter). They are NOT vin specific.”