How to fix ECU ECM no communication free fix?
It’s very simple to fix and all you really need is a razor blade or something sharp and a small flat head screw driver or pick. I hope you enjoyed this video. Please LIKE, COMMENT, SHARE AND SUBSCRIBE!!! Thank you for your time! http://www.facebook.com/revvedupknowl… https://www.instagram.com/revvedupkno… Loading…
What are the symptoms of a bad ECM power relay?
A bad relay may cause the vehicle to crank, but not start, or sometimes not even crank at all. 3. Battery drain or dead battery. A failed ECM power relay can also cause a battery drain or dead battery. If the relay shorts it can leave power on to the computer, even when the vehicle is turned off.
What happens if the ECM fails on a car?
The fuel and ignition systems, as well as several other engine management functions, of many vehicles are controlled by the ECM. If the ECM or it’s relay fail, the entire engine management system will be left without power and will not function as a result.
What causes a battery to go dead on an ECM?
Battery drain or dead battery A failed ECM power relay can also cause a battery drain or dead battery. If the relay shorts it can leave power on to the computer, even when the vehicle is turned off. This will place a parasitic drain on the battery, which will eventually cause it to go dead.
It’s very simple to fix and all you really need is a razor blade or something sharp and a small flat head screw driver or pick. I hope you enjoyed this video. Please LIKE, COMMENT, SHARE AND SUBSCRIBE!!! Thank you for your time! http://www.facebook.com/revvedupknowl… https://www.instagram.com/revvedupkno… Loading…
Why does my Honda Civic scanner not link?
It plugs in fine, but when you hit the “LINK” button to retrieve codes, after about 10 seconds, the scanner comes up “ERR” Had a gas cap message that turned into a check engine light. Changed the cap and needed to clear the code. Removed the battery overnight and the code cleared but, the scanner still won’t retrieve codes.
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.
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.
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.
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 your ECM power relay is failing?
For this reason, if you suspect that your ECM power relay may be having an issue, have the vehicle inspected by a professional technician, such as one from YourMechanic, to determine if the relay should be replaced. The most popular service booked by readers of this article is Vehicle Engine Electrical Inspection.