Can a car battery disconnect clear OBD2 codes?
Choose your car for a more accurate estimate. Disconnecting the battery will not clear any codes in memory of the computer for stored OBD2 codes. The only way to clear the codes is to use a scanner and use the code clear function.
How long should battery be disconnected to reset ECU?
1 Open up the hood. 2 Remove the positive terminal cable from the battery using your pliers or wrench. 3 Go to your fuse box in your car, and look at the diagram. Select the fuse that is labeled “ECM” and remove this fuse. 4 Keep the car disconnected like this for two to three minutes to clear the computer’s memory.
What should I do when I Disconnect my car battery?
Use a settings keeper that will save computer codes, radio settings and other settings normally lost when disconnecting the vehicle’s battery. Most of these small units plug in to the cigarette lighter or the optional 12-volt plug-in port on many vehicles.
What happens to the control unit when the battery is disconnected?
Control unit memories – Values and faults stored in the control units can be deleted if the battery is disconnected or completely discharged. If possible, all fault memories should be checked and, if necessary, printed out before the battery is disconnected.
What is the OBD code for battery disconnection?
After a battery disconnection, a code P1684 (“battery disconnected …….”) will show up if you access the computer (using key dance method) and will disappear after 50 restarts. Otherwise you will get “donE” if no detectable faults are present. Click to expand… It depends a great deal on what problems there are.
Use a settings keeper that will save computer codes, radio settings and other settings normally lost when disconnecting the vehicle’s battery. Most of these small units plug in to the cigarette lighter or the optional 12-volt plug-in port on many vehicles.
Do you reset the radio after battery disconnection?
In the old days, you had to reset the radio but since nobody steals radios any more (air bags are more lucrative) nothing has to be done to have the radio working. At least, that is the case on my 05 OB LLBeaner. do they have a list if things they can reset