How do you reset the computer on a 2005 Jeep Grand Cherokee?
How do you reset the computer on a 2005 Jeep Grand Cherokee?
Disconnect the negative battery cable and leave it disconnected overnight. Reconnect the negative battery cable in the morning and all but any hard codes will be cleared. By disconnecting the battery, you are essentially giving the computer a form of amnesia, whereby the computer forgets any stored codes.
How do you tell if Jeep PCM is bad?
- Identifying Jeep PCM failure. ...
- Vehicles fail or roughly starts. ...
- Systematic loss of gas mileage. ...
- Stalling or stuttering engine. ...
- Vehicle randomly shifts. ...
- Failure in emission tests. ...
- PCM DTC codes keep appearing on the diagnostic device.
What causes a Jeep Grand Cherokee to shut off while driving?
There are three major causes for a stalled engine: A lack of fuel, a lack of air flow and improper ignition. Running out of fuel is one of the most common causes of engine stalling, but dirty fuel injectors or a plugged fuel filter can also be the culprit. Your engine needs air to run properly as well.Apr 21, 2020