How do I find out what ECU I have?

To identify your ECU you will need to know its generation, part number and possibly its ROM number. The computer is connected via three connectors that pull out when a plastic clip is pressed. Remove the computer, and with a philips screwdriver remove the metal lid from the top of the computer. via

Is there a VIN on ECU?

End of dialog window. afaik, the ecu is just a "part" with a part #... no VIN is on the ecu... via

What is ECU part number?

For every vehicle an automobile manufacturer sells there is a specific electronic control unit (ECU) which belongs to that car. The item you seek may have different part numbers within the same make/model/year. Within a particular model there can also be multiple options available. via

How do I read my ECU number?

  • Connect your harness and Interface to the ECU.
  • Connect the Interface to your computer via USB cable.
  • Put the Interface into Read/Write mode (Red LED on)
  • Go to "Tools"=>"Read Serial Number", this will read the ECU Part Number and Serial Number from the ECU.
  • via

    How do I know if I have a P28 ECU?

    Model (P28/P72/etc)

    Take a look at the side of your ECU, you'll see 37820-PXX-XXX. The numbers following the P, like P28 or P30 are very important. via

    Can a second hand ECU be reprogrammed?

    A used ECU would have to be programmed to your vehicle, depending on make and model it can be as simple as using a diagnostic tool to program it or a lot of times it can involve swapping the contents of the internal memory from the old ECU to the new one which isn't a job for the average garage. via

    What is the difference between ECU coding and ECU programming? (video)

    Do ECU part numbers have to match?

    Many ecu's will have the same hardware number and just different software. Some part numbers are even just different calibrations for the same system. via

    Can you just replace an ECU?

    ECU repairs can be very expensive. The part alone can cost between $1,000 and $3,000, depending on the make and model of your vehicle. Fortunately, an ECU can be repaired or reprogrammed in many cases—thus preventing the need to actually replace an ECU. via

    How do I find my Honda ECU part number?

    - All Honda ECU's have an ECU part number which is located on the side of the ECU which allows for easy identification. The middle three characters are the most useful to identify what type of ECU it is. Different generation ECUs may use the same characters. via

    How do I identify my Bosch ECU?

    There is a lot of information on the label of a control unit that is not always clearly understandable. To find the right device in our product search, the Bosch number is your first choice. A Bosch engine control unit always starts with 028 or 026. via

    How many ECUs are on a car?

    Some modern motor vehicles have up to 150 ECUs. Embedded software in ECUs continues to increase in line count, complexity, and sophistication. Managing the increasing complexity and number of ECUs in a vehicle has become a key challenge for original equipment manufacturers (OEMs). via

    What car has a P28 ECU?

    Technical Information OBDI Vehicle Reference

    Model Year Stock ECU
    Civic/Del Sol DX/S 92-93 P06
    Civic DX 92-95 P08J
    Civic Si/EX/ 92-95 P28
    Civic HX 96-99 P2N


    What's a P28 ECU?

    A P28 equivalent is an ECU that is electronically identical to a P28 ECU. Most P28 ECU's use the common honda '11F0' ECU circuit board with the correct components soldered onto the board. via

    What is a chipped P28 ECU?

    a p28 is a Honda obd1 ECU, then it is "chipped" by a company or tuner, allowing you to tune and add features to your honda ecu. via

    How do I bypass my ECU immobilizer? (video)

    How do I get a new ECU code?

  • Connect 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.
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    How much does it cost to reprogram ECM?

    These typically cost somewhere in the ballpark of $200-$400. Again, the actual cost of repairing and replacing the ECM will depend on the make and model of your car. If the engine control module just needs to be tested, analyzed, and reprogrammed, it should cost you between $150 and $300. via

    What happens if you start a car without ECU?

    Can A Car Start Without Ecm? the ECM does not function completely, there is no control of the engine, and the engine will not crank, without the critical input through the driver's computer. If the ECM doesn't function in this way, starting or driving the vehicle is impossible. via

    Can ECU be bypassed?

    Originally Answered: Can you bypass a ECU? From a practical standpoint - no. The ECU may be bypassed to perform certain system tests, but it must be present for a vehicle to run. There are some aftermarket ECU replacements, generally for racing setups. via

    What does the ECU do to your car?

    Fundamentally, the engine ECU controls the injection of the fuel and, in petrol engines, the timing of the spark to ignite it. It determines the position of the engine's internals using a Crankshaft Position Sensor so that the injectors and ignition system are activated at precisely the correct time. via

    What programming language is used in ECU?

    Though assembly language has been used for programming of the Engine Control Unit(ECU) so far, we adopted the C language to improve the productivity of the software. via

    Can I code my car?

    Many believe that only authorized garages can help you unlock the “hidden” features from your car. Nevertheless, it is also possible for you to code your own car! Coding your car allows you to enable or disable certain functions. All you need is the right equipment to do it yourself from home. via

    Do you have to change ECU when changing engine?

    Yes. It must be programmed into the new ECU the car's serial number. This unit should be programmed for a factory-configured ( OEM ) replacement unit. via

    Can I swap PCM?

    Factory PCMs can indeed be flashed, but only to restore them to factory settings in the event that they've become corrected. Beyond that, if you want to change your vehicle's gear shift ratio, you'll need to buy a new PCM. via

    Can you drive with a faulty ECU?

    It isn't recommended to drive with a faulty ECU, but it is possible to keep driving the vehicle. The longer you run with the deteriorating ECU, the more issues you're going to run into when it's time to bring it to the shop. via

    How do I know if my ECU is manual or automatic?

    Automatic ECUs have a 5 in the second to last digit of the part number. e.g. P28-A52 is auto, P28-A02 is manual. via

    What ECU is in a d16y7?

    You have a P2E ECU. via

    What is the difference between OBD2A and OBD2B?

    The dizzy plug is different, the there are two plugs on the OBD2A harness but on the OBD2B harness the two plugs have been combined into one. Wires are the same just the physical plug is different. via

    How do you flash a ECU? (video)

    Does resetting ECU remove tune?

    No, it will not change your tune. If you tune with open source, you can write it to the ECU. It resets to whatever you flashed it with when you reset it. via

    What does a Haltech ECU do?

    An ECU is a computer designed to control ignition and injection in an engine. It plays a central role in an EFI system, much like a carburetor and a distributor did in an old-school, mechanical system. via

    Is ECU an embedded system?

    An ECU is essentially an embedded system that is built on an automotive-grade microcontroller. Along with automotive software and communication protocols, an ECU is able to control the electrical systems and sub-systems in a vehicle. via

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