How do you reset the computer on a 2001 Jeep Grand Cherokee?
How do you reset the computer on a 2001 Jeep Grand Cherokee?
- Jeep Electronic Control Unit Reset.
- Disconnect the battery by removing the positive battery cable.
- Ground the positive cable to the negative cable for 30 seconds to erase the electric charge in the capacitors.
- Reconnect the positive cable to the battery.
How do you reset a Grand Cherokee computer?
Disconnect the scan tool from the DTC port when done. If you do not have a quality scan tool, refer to Step 3. 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.
What does the computer do on a Jeep Cherokee?
The PCM (power train control module) or computer controls the Cherokee’s ignition, fuel system, emission and other systems. When it detects a malfunction in any of the vehicle’s systems, it will alert you with a warning light on the instrument panel. It will also let you know when your Jeep needs regular servicing.
How to do a reset on a Jeep Wrangler?
1 Disconnect the POSITIVE battery Terminal and touch it to ground for 30 seconds. (This is to discharge the PCM capacitors, which maintain the Adaptive Memory. 2 Reconnect the Battery Cable 3 Turn Ignition Switch to the “ON” position but DO NOT start the engine 4 Turn Headlight “ON” 5 Turn Headlights “OFF” 6 Turn Ignition Key “OFF”
How to reset your Jeep engine control module?
3- Once the time has passed you should now turn the headlights “on” and “off” twice to drain the Engine Control Module from any remaining power. 4- Now plug back in the negative terminal and your Jeep ECM should now be reset. To finish off this post , here are a couple of things you should keep in mind.
Disconnect the scan tool from the DTC port when done. If you do not have a quality scan tool, refer to Step 3. 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.
When to reset the Immobilizer on a Jeep Grand Cherokee?
The system is activated when something other than an authorized key is used to try to start the engine. Most models are also equipped with an alarm system as part of the security system. If something triggers the immobilizer or the alarm system, you need to reset and rearm the system.
The PCM (power train control module) or computer controls the Cherokee’s ignition, fuel system, emission and other systems. When it detects a malfunction in any of the vehicle’s systems, it will alert you with a warning light on the instrument panel. It will also let you know when your Jeep needs regular servicing.
3- Once the time has passed you should now turn the headlights “on” and “off” twice to drain the Engine Control Module from any remaining power. 4- Now plug back in the negative terminal and your Jeep ECM should now be reset. To finish off this post , here are a couple of things you should keep in mind.