Can I swap a BCM?

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Can I swap a BCM?

It typically won’t be a “plug and play “ swap. Aside from any option content differences, the vehicle typically will not start after swapping due to antitheft issues. The password is usually stored in multiple modules. All must “agree” to enable the engine to run.

Can someone else’s key fob unlocks my car?

The chances of it happening are incredibly small, but your car key could get you access to someone else’s vehicle. A rare glitch on the Sunshine Coast highlighted just how someone else’s key could be used to unlock a car of the same make.

Can I swap my ECU?

Replacement ECU You can replace your damaged or broken component with a reprogrammed and re-flashed engine computer. This is what Car Computer Exchange has done for nearly a decade. If you swap out your existing damaged ECU for the newly programmed one yourself then you will not have to pay for labor.

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Will disconnecting battery reset BCM?

When you disconnect the battery you’re accomlishing the same thing as resetting the BCM by pulling the IOD fuse meaning, cutting off power to the BCM.

How do I reprogram my ECU in my car?

Programming overview

  1. Connect the vehicle interface cable to the OBD-II connector and turn the ignition switch to ON.
  2. Open the ProECU software and choose Tools then Detect Vehicle.
  3. Select Program Engine ECU.
  4. Choose Query ECU to identify the ECU version fitted to the car.

Does a brand new BCM need to be programmed?

Most BCMs need to be programmed by the remanufacturer or a shop equipped with the proper tools. If the replacement BCM needs programming, it must be programmed with the latest operating software and vehicle calibrations.

What is a RollJam device?

At this years Def Con conference speaker Samy Kamkar revealed how he built a $32 device called “RollJam” which is able to break into cars and garages wirelessly, by defeating the rolling code protection offered by wireless entry keys. Now you have an unused code stored in RollJam that can be used to open the car.

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Can You reprogram an engine immobilizer to program a new key?

Here’s how to reprogram your car’s engine immobilizer to program new keys in the invent of lost keys or a swapped ECU. The engine immobilizer is a security device. Use the information provided here in a legal and appropriate manner. Modern Toyota’s use a key with an embedded RFID chip as an added means of theft prevention.

Can You virginize your ECU to accept new keys?

While taking the car to a dealership or locksmith is an option, it could get expensive because you are at their mercy. What follows is a cheaper method you can do yourself to “virginize” your ECU to accept new keys. Here’s an overview on how the immobilizer system works on older Toyota and Lexus vehicles.

How do you program a Toyota key into the ECU?

Newer Toyota/Lexus/Scion cars have a separate transponder ECU under the dashboard instead of having the EEPROM store key info in the ECU. The procedure is similar, though a hand-shaking procedure must be performed between the Transponder ECU and Engine Control Unit before key programming by shorting two wires on the OBDII port for 30 minutes.

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How does an engine immobilizer system work?

The key is read by the computer and if it matches, it will enable all systems to start the car. If the key does not match, the car will only crank but not start. This engine immobilizer system presents a barrier to many owners when it comes time to swap out a bad ECU, or if you’ve lost all the master keys and can’t program new keys.