One of the most typically misunderstood lights or indicators in your 2017 jeep wrangler is the check engine light.
Check engine light on jeep wrangler.
It could be that the gas cap is not tightened enough or you have a faulty mass airflow sensor.
When retrieving jeep check engine light codes with an obd ii scan tool proceed as follows.
The connector may have a removable cover.
But an o2 sensor code will surely show up in a diagnostic test.
Turn to on position without starting the jeep.
Insert key into the ignition.
Just complete the following steps.
There are many things that could trigger the check engine light on the jeep wrangler.
Basically what this means is your jeep s computer has detected some sort of problem with a part or system on the vehicle and is letting you know via the malfunction indicator light check engine light.
Be sure to keep it.
Try as we may to keep our jeep vehicles running in perfect condition odds are the vehicle will throw a code and light up the check engine symbol at some point along the way.
Items you will need adjustable wrench ignition key.
The code is very vague since you ll never know what it means unless you have the service manual or an obd scanner that can give you more detail about the code.
Once those steps are completed all lights on the dash should.
It can say check engine it can be a symbol of an engine it can even be a combination of both.
Connect scan tool to the 16 pin data link connector dlc located near the steering column.
Push the key in and turn it to off and then to on three times leaving it in the on position.
The check engine light is an indicator that can only be triggered if there is an error with one or more sensors or parts of the jeep.
The check engine light is part of the onboard diagnostics system and displays in a few different ways.