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 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 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.
Where can I find the DTC code on my Jeep Wrangler?
This is quite a comprehensive list, so to easily search for your Jeep Wrangler check engine light code, check out these keyboard shortcuts. If you have a Windows Machine: Use Ctrl + F (Control + F) to type in your Wrangler DTC code and find it in the table.
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.
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!
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.
This is quite a comprehensive list, so to easily search for your Jeep Wrangler check engine light code, check out these keyboard shortcuts. If you have a Windows Machine: Use Ctrl + F (Control + F) to type in your Wrangler DTC code and find it in the table.