Why is my check engine light on in my Jeep Commander?
When the engine light (also known as the malfunction indicator light, or MIL) illuminates on the instrument panel, the OBD II system has detected a problem in the performance of the Commander. Before resetting the light, diagnosing the problem is important to prevent further damage to the SUV.
What does the Check Engine light mean on a Jeep Wrangler?
What Does the Check Engine Light Mean on A Jeep Wrangler? When your Jeep throws up a CHECK ENGINE light it means something is amiss and it has detected some mechanical problem with a component or an electrical signal error in the Jeeps system.
Why does my check engine light keep coming on?
A failing oxygen sensor, also known as an O2 sensor, is one of the most common reasons for that Jeep check engine light to come on. And the tricky thing with the O2 sensor is that the car will continue to drive well so you might want to dismiss the light. But an O2 sensor code will surely show up in a diagnostic test.
What does a PCM code mean on a Jeep Cherokee?
When the PCM detects any problems it sends a code that is displayed in your instrument panel. So when you get an error code appearing, it is essentially the “brains” of your Jeep providing you with vital information telling you, something is wrong and you need to take action.
How to check engine 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.
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.
A failing oxygen sensor, also known as an O2 sensor, is one of the most common reasons for that Jeep check engine light to come on. And the tricky thing with the O2 sensor is that the car will continue to drive well so you might want to dismiss the light. But an O2 sensor code will surely show up in a diagnostic test.
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.
When the PCM detects any problems it sends a code that is displayed in your instrument panel. So when you get an error code appearing, it is essentially the “brains” of your Jeep providing you with vital information telling you, something is wrong and you need to take action.