What fuse is for the code reader?
A common fuse size is 15-20 amp but use the size recommended by the manufacturer.
Why is my OBD reader not working?
The most common reason for getting no OBD code is simply a blown fuse. Even a fuse dedicated solely to the car’s computer diagnostics can blow for no apparent reason. Check your fuses to see if any have gone bad. Remember that your car or truck might have more than one fuse box.
What fuse is cigarette lighter?
15 amp fuses
In most cases, cigarette lighter circuits use 15 amp fuses, but you can check the fuse box in your vehicle to be sure.
CAN OBD2 waiting for vehicle to respond?
Well, theres no CAN on a ZJ, so it’s going to be waiting a long time. Have you tried a different scan tool? There’s a couple different flavors of protocol that are in the OBD2 spec, CAN is the current standard, but the ZJ uses an older one.
CAN’t connect to elm327?
Bluetooth Pairing Issues:
- Unpair any existing Bluetooth devices such as, smartwatch, headset or speaker.
- Make sure the App is not running in the background. Close the app before pairing.
- If the password 1234 doesn’t work, try 12345 or 0000.
- Turn off Bluetooth, turn it back on and rescan for the device.
CAN a blown fuse cause a check engine light?
A check engine light can be caused by a fuse.
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.
What should I do if my ECU light comes back on?
Drive the car for at least 10 miles for the ecu to learn, if there is a problem with your vehicle then the check engine light will come back on and you can analyze the fault code that the ECM throws. These codes will guide you towards the root of the problem and you can begin replacing parts to try to fix the issue.
Can a car fuse go bad for no reason?
Even a fuse dedicated solely to the car’s computer diagnostics can blow for no apparent reason. Check your fuses to see if any have gone bad. Remember that your car or truck might have more than one fuse box. This should be covered in your owner’s manual or a proper service manual.
Why do I need to Reset my ECM?
If your check engine light comes on then chances are there may be an internal electrical issue within your vehicle that must be addressed. Before replacing any parts you want to reset your ECM to ensure that part replacements are absolutely necessary. There are a few ways to reset your Engine control modules.