How can I tell 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.
What car has P72 ECU?
Technical Information OBDI Vehicle Reference
| Model | Year | Stock ECU |
|---|---|---|
| Integra GSR | 94-95 | P72 |
| Integra GSR | 96-01 | P72 |
| Integra VTiR | 92-95 | P72J |
| Integra Type R | 97-01 | P73 |
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.
What ECU is in a 99 Civic EX?
37820-P2E-C92 HONDA 1999 CIVIC computer module ECM ECU.
How do I find my VIN ECU number?
A red arrow indicates which number is the ECU part number for each sticker.) If for some reason your unit does not have a sticker, you can call the dealership with the VIN and ask them for the original part number for your vehicle’s electronic control unit.
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.
Do ECU part numbers have to match?
The ECU of a specific car can be swapped with the ECU of another car if they are of the same year model. Some car models use the same ECU across several year models. ECU from these cars can be installed in the same compatible year model with no negative effect on the engine’s performance.
How many ECUs does a car have?
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).
How do I know if my P28 is automatic or manual?
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. So it is manual.
Can you tune a stock ECU?
A modified stock ECU is typically one that is eeprom “chip” based. Using a real time programmer in place of the eeprom chip on the ECU board, a custom tune can be performed.
What is ECU code?
ECU fault codes, also known as diagnostic trouble codes (DTC) are part of the on-board diagnostic (OBD II) system in your car. These codes provide information on which systems are malfunctioning, where the problem is located, and the exact issue that is causing your check engine light to remain illuminated.
How do I get a new ECU code?
Entering programming mode Ensure the OBD-II vehicle interface is properly connected. Switch the ignition to ON but do not yet start the engine. Choose Detect Vehicle… from the Tools menu, then select Program Engine ECU when the window appears, and click OK. Select Program ENgine ECU to enter programming mode.