How to hard reset 2005 jeep grand cherokee?

1. Disconnect the battery by removing the positive battery cable.
2. Ground the positive cable to the negative cable for 30 seconds to erase the electric charge in the capacitors.
3. Reconnect the positive cable to the battery.
4. Turn the key to on but do not start.
5. Turn the headlights on.

Subsequently, how do I reset my 2005 Jeep Grand Cherokee?

Considering this, how do you reset the computer on a 2004 Jeep Grand Cherokee?

1. Step 1 – Prepare to reset the ECU.
2. Step 2 – Disconnect the battery.
3. Step 3 – Ground positive cable to the negative cable.
4. Step 4 – Reconnect the battery.
5. Step 5 – Turn the headlights on and then off.
6. Step 6 – Turn key to the “OFF” position.

Beside above, how do I reset my Jeep computer?

1. Step 1 – Remove the positive (red) battery cable.
2. Step 2 – Ground the red cable to the negative terminal.
3. Step 3 – Reconnect the positive battery cable.
4. Step 4 – Turn on your Jeep.
5. Step 5 – Cycle the headlights.
6. Step 6 – Turn the key off and remove.

You asked, how do you reset the security system on a Jeep Grand Cherokee? Press the power door-lock switch on the keyless entry fob. Close the driver’s side door. Leave all doors closed for about 16 seconds until the Vehicle Security Light on the instrument cluster stops flashing quickly. When the light flashes at a slower rate, this signifies that the system has been reset and rearmed.

How do you reset the check engine light on a Jeep?

1. Make sure the engine is not running and key is out of the ignition.
2. Disconnect the battery terminals.
3. Wait 5 minutes.
4. Reconnect battery terminals.
5. Insert and turn the ignition key to the run position without starting.
6. All error codes are cleared and CHECK ENGINE icon disappeared.

Where is the PCM on a 2004 Jeep Grand Cherokee?

The coolant reserve/overflow tank will be in the way but the location of the PCM is on the cowl panel in the right/rear side of the engine compartment.

What is a PCM on a Jeep Grand Cherokee?

The Powertrain Control Module (PCM) is the computer that controls most of your Jeep’s essential systems. The PCM controls the engine timing, the fuel to air ratio, the transmission, and the anti-lock brakes, along with dozens of other smaller functions.

How do I reset my 2016 Jeep Grand Cherokee?

In order to do this You will need to press and hold both the temperature up and temperature down buttons on the driver side of the controls. Do not let go until the display changes to the engineering menu. Scroll down in the menu until You see Reset to factory default and press it.

How do you reset the dashboard lights on a Jeep Wrangler?

Put the key in the ignition and turn it to the “On” position for about five seconds. Turn the engine on. The engine warning light will flash and then turn off.

How do I reset my ECM?

How many miles does it take to reset a jeep computer?

For good measure. Anytime that you reset your Jeep PCM you should keep in mind that you will need to drive your car for approximately 10-15 miles so your Jeep ECM can re-learn your driving habits and fuel management.

How do I get my car out of anti theft mode?

Step 1: Insert the key into the door lock. Use the side door on the driver’s side and the physical key even if there is a keyless entry system on the car. Step 2: Turn the vehicle key to unlock the car door without releasing it. Hold the key for 30 seconds in the position.

How do I get my jeep out of anti theft mode?

To reset the Jeep Liberty’s anti-theft system, pull on the driver’s handle and unlock the driver’s door manually with the chipped key. You can also depress the panic lever to disable the alarm. Alternatively, press the panic button for 5 seconds followed by depressing the lock command 2 times.

How do you reset the security system on a 1999 Jeep Grand Cherokee?

Press the power door-lock switch on the keyless entry fob. Close the driver’s side door. Leave all doors closed for about 16 seconds until the Vehicle Security Light on the instrument cluster stops flashing quickly. When the light flashes at a slower rate, this signifies that the system has been reset and rearmed.