How do I reset my YJ computer?
How to Reset Jeep Wrangler Codes
- Open the Wrangler’s hood and prop it up with the support bar.
- Loosen the bolt on the negative battery clamp using a ratchet and socket.
- Wait 30 minutes for the computer to reset itself.
- Put the negative battery clamp back onto the negative battery terminal and tighten the bolt.
How do you reset the PCM on a Jeep?
TJ Enthusiast
- Disconnect the POSITIVE battery Terminal and touch it to ground for 30 seconds to discharge the PCM capacitors, which maintain the Adaptive Memory.
- Reconnect the Battery Cable.
- Turn Ignition Switch to the “On” position but DO NOT start the engine.
- Turn Headlight On.
- Turn Headlights Off.
How do I reset my Wrangler computer?
Jeep Wrangler JK: How to Reset Your ECU
- Step 1 – Remove the positive (red) battery cable.
- Step 2 – Ground the red cable to the negative terminal.
- Step 3 – Reconnect the positive battery cable.
- Step 4 – Turn on your Jeep.
- Step 5 – Cycle the headlights.
- Step 6 – Turn the key off and remove.
How to reset the Check Engine light on a Jeep Wrangler?
Resetting the Check Engine Light: 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 tire pressure light on a Jeep Wrangler?
Inflate all 5 tires (including the spare) to the recommended factory psi levels that are posted on the “Tire and Loading Information” sticker inside the driver’s side door opening. In this case it is 35 psi for all 5 tires. Step 2. The vehicle may need to be driven for up to 20 minutes above 15 mph (25 km/h) before the light will turn off. Step 3.
How to check engine fault code on Jeep Wrangler JK?
If you drive a JEEP Wrangler JK, you can check engine fault codes by inserting the key into the ignition and turning it 3x to the run position without starting the vehicle. Turning the key 3x tells the OBD (On Board Diagnostics) computer there has been 3 bad runs with the same error and it throws out a code on the instrument panel. Fantastic!
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.
How to reset check engine light on Jeep Wrangler?
You can get one for under $70 that will reset codes and give you basic codes. On a TJ to reset, you need to turn the key to on (engine not running) use the tool to reset the code, turn the key off then back on. I opted for a code reader that was about $90.
How do you reset the oil life on a Jeep Wrangler?
Turn the ignition to RUN position, don’t start the engine. Use the NAVIGATION button, navigate to VEHICLE INFO then scroll to REMAINING OIL LIFE. is displayed, press and hold the OK button until the OIL LIFE is reset to 100%.
Is there a way to reset the Check Engine light?
Once the system makes all the checks of sensors, EVAP system, etc. and they all come back good there will be no pending codes, and everything is GTG. Pick up an ODB2 code reader. You can get one for under $70 that will reset codes and give you basic codes.
How to reset the oil change maintenance light?
Turn ignition to RUN position, don’t start the engine. fully depress the accelerator pedal slowly (3x) THREE TIMES within 10 seconds. Turn the ignition off and then start the engine to verify the indicator has been reset.