Readers ask: How To Reprogram Your Car Computer Subaru Forester?

How do you reset the ECU on a Subaru Forester?

How to Reset a Subaru Check Engine Light

  1. Open the hood of your Subaru and loosen the nut that holds the cable clamp to the negative battery terminal.
  2. Slide the cable off the negative battery terminal.
  3. Wait 5 minutes, then reconnect the cable and tighten the retaining nut.

How do you reset the code on a Subaru Forester?

How to clear the fault codes on your Subaru including Legacy’s and Impreza’s

  1. Turn the ignition off.
  2. Find the diagnostic connectors.
  3. Connect the black connectors together.
  4. Turn the ignition on but don’t start it.
  5. Check the engine management light comes on.
  6. Count the number of flashes.

How long does it take for a Subaru computer to reset?

this is the process. takes about 45 minutes – 1 hour, so dont say i didnt warn you. with all accessories (lights/aircond etc) off, start the car without touching the throttle.

How do you program a Subaru ECU?

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.
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How long do I have to drive my car to reset the computer?

So why is the light still on? Here’s something you probably don’t know: after clearing the car’s computer you will need to drive for about 50 to 100 miles. As you drive your car the computer will monitor all the sensors and register the results.

Will disconnecting the 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.

How long do you leave battery disconnected to reset ECU?

Disconnecting the battery for a short time may not do the trick because the car’s computer, or ECU, still has some current in it. Waiting for over 15 minutes after disconnecting the engine will help ensure the equipment is reset.

Can you reset Subaru eyesight?

Press and hold the switch showing one car making another see stars from behind with the words OFF (this is the Pre-Collission Braking System button) fortwo seconds to switch that back on again. Note that it automatically will reset every time You stop and start Your car, as well.

How do I reset my car after replacing the battery?

Switch off your vehicle and unplug all fuses once it has completely warmed up, then detach the battery to cut power. All of the old data should be reset after a few minutes, so reconnect the fuses and restart your engine.

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How long does it take to reprogram ECU?

The whole process should take only about fifteen minutes. If the new software fails to transfer, the process is restarted. If it fails multiple times, it’s likely the result of a bad connection and can be easily diagnosed and fixed.