Where do I find my ECM part number?
Locate the serial number on the car part. It should be either imprinted directly onto the metal of the part itself or on a sticker on the side of the part. ECM serial numbers are typically between nine and 10 digits long.
How do I know what ECU I have?
The ECU can be located in several places:
- under a metal plate in the passenger’s footwell (88-91 Civics)
- in the passenger’s footwell behind the carpet (92-95 Civics)
- in the passenger’s footwell behind a plastic panel (96-00 Civics)
- by the driver’s footwell under a plastic panel (some 2001+ Civics)
Do ECU numbers have to match?
No, they don’t have to be the same number as sometimes items are superceded so the number changes but the early and late items are still interchangeable, the trick is to discover if the original item was superceded by the one that you have as a replacement.
What is my 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 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. Here are some things to note about the most common variants: P05 – Civic CX – Most basic supported ECU.
Is a P06 ECU VTEC?
For the ECUs like the P05 and P06 that did not require VTEC, the components that are used for VTEC functionality were simply not installed. You can convert the following ECUs to VTEC: P05. P06.
Where can I find the ECM part number?
The ECM part number can be found on the decal on the back of your ECM. MEFI 1 + 2 16159919 | 16189069 | 16220371 | 16234539 | 16201649 | 16210729 MEFI 3 16237009 | 16237019… MENU MENU
How to identify or find 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.
What does the ECM do in a car?
The engine control module (ECM), also known as the engine control unit (ECU), monitors a vast network of sensors and actuators in your vehicle’s engine bay. These include: The data from these sensors is interpreted by the ECM to check if your engine is working normally.
How much does it cost to replace an ECM?
The replacement of an engine control module can be a pricey fix. An OE ECM replacement part can cost about $45 for a basic ECM that is remanufactured or needs programming. Take note that diagnosing which part of the ECM is faulty is very tricky, and you might end up replacing more parts than you originally intended.