Why is my ECM not communicating with the OBD plug?

Why is my ECM not communicating with the OBD plug?

I traced all wires from the obd plug and made sure there were no My ECM is not communicating… My ECM is not communicating to with the OBD plug. I traced all wires from the obd plug and made sure there were no broken wires there and there is power going to a few wires on the plugs to the ecu.

Where is the OBD2 port on a Honda Civic?

OBD2 port Honda Civic 8 (2006 – 2011) – Find your plug ! Where is my OBD2 port ? All vehicles are equipped with an OBD port to which you can connect your klavkarr diagnostic case.

What to do if your Honda ECM is not working?

OK at least they didn’t charge you, at my place you would have paid if it could be proved that the problem was in the car and had a concrete reason for not working.. See if you have power at the connector and then find a local shop with a Mastertech scantool that has a Honda card. They will be able to program it.

Why do I need to Reset my ECU on my Honda Civic?

After you install aftermarket parts, resetting the ECU will help your car’s computer “learn” and accommodate the new parts. Sometimes a faulty check engine light may appear, so resetting the ECU can make it go away. If any of these problems are affecting your Civic or Accord, it is very simple to reset the ECU.

I traced all wires from the obd plug and made sure there were no My ECM is not communicating… My ECM is not communicating to with the OBD plug. I traced all wires from the obd plug and made sure there were no broken wires there and there is power going to a few wires on the plugs to the ecu.

Can a Honda ECM communicate with an ignition switch?

Valley-Hi Honda in Victorville, CA. OK they will have the ability and knowledge to communicate with this ECM if it is good and they would have checked fro power to the DLC so if they had no communication at all and not just that they were not able to program it you will need a new ECM/Ignition switch set.

What to do if the OBD II scanner doesn’t communicate with the vehicle?

What to do if the OBD II scanner doesn’t communicate with the vehicle. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Do not connect to the body or chassis ground but to the battery terminal directly.

What to do if your ECM is not communicating?

See if you have power at the connector and then find a local shop with a Mastertech scantool that has a Honda card. They will be able to program it. If you do have power and ground at the connector and at the PCM you either have the wrong computer or a bad computer. OK #16 is the wire that I follwed to the radio plug. I