How do you clear the codes on a Jeep Wrangler?

How to Clear Codes on Jeep Wrangler

  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.

What does no bus mean on a Jeep TJ?

TJ Enthusiast NO BUS is a loss of communication failure. Any module in the Jeep can be a failure. The PCI wires white/green & white/blue are the pci communication wires. Unplug one module at a time and watch for the message to go away.

What does no bus mean on my jeep?

A no bus appears on the dash and the engine does NOT run. This is your problem. A good majority of times, it is a failed (shorted) crankshaft position sensor causing this. Theoretically, any 5 volt engine management sensor can short and cause this problem, but the crank sensor is the most suspect. Try this simple test.

How do you reset the computer on a Jeep Wrangler?

How to Reset Jeep Wrangler Codes

  1. Open the Wrangler’s hood and prop it up with the support bar.
  2. Loosen the bolt on the negative battery clamp using a ratchet and socket.
  3. Wait 30 minutes for the computer to reset itself.
  4. Put the negative battery clamp back onto the negative battery terminal and tighten the bolt.

What does no bus mean on a 2001 Jeep Cherokee?

“this “code” that is displayedby the odometer means there is a connection failure between the gauge cluster and the ECU. this NO BUS is often accompanied by malfuntioning gauges, the check engine light, and the airbag light, although exact gauges and lights may vary.

What does no bus mean on a 2006 Jeep Liberty?

A code read at the odometer NO BUS – My oil light Jeep Liberty. Locate the fuse in the fuse box the =Bus fuse may be blown, if the fuse is not blown then the voltage regulator on the back of the instrument panel has gone bad and you will have to pull.

How do I reset my Jeep Electronics?

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

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

approximately 10-15 miles
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 you clear a code on a Jeep Wrangler?

To erase a code, use a scanner tool to remove that specific code. To dump all codes, remove the battery cable for 10 minutes, then reconnect. If you want to erase the adaptive memory completely and set the ECU to a new start up, remove the cable 10 minutes, reattach the cable and turn the key to the run position.

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.

Can you reset the clock on a Jeep Wrangler?

To prevent your radio station presets and clock from being reset, you can disconnect the ECM (three plugs) for 2 minutes instead of the battery, it has three quick connectors. There’s no need for anything else beyond this, no fancy procedure like the above is needed at all.