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How do you reset the check engine light on a 2002 Trailblazer?
Wiki User
∙ 17y ago
By having the problem that exists with the emissions controls repaired. Check to see if the gas cap was off or not on properly. If that's the case, the light will go automatically in 2 to 3 days. If not, then you have a bigger problem that would require mechanical help with diagnostic equipment. Any dealer or repair shop should be able to tell what's up.
Wiki User
∙ 17y ago
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How do you reset service engine soon light on 2003 Chevy trailblazer?
How do I reset the service engine light on a 2003 Chevy Trailblazer?
How to reset check engine light on 2004 trailblazer?
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
How do you reset check engine light soon on 2003 Chevy trailblazer?
If you don't have a code reader you can disconnect the battery cable for a couple of minutes and that will reset the light
Is it required to reset the computer PCM when changing the battery on a 2003 Chevy Trailblazer LS?
When you change the battery you automatically reset the PCM. Any time you remove the negative battery cable for about 15-20 minutes you will reset the PCM. This will reset your Check engine light also. www.trailvoy.com Trailblazer enthusiasts forum with all the answers for your Trailblazer.
How do you reset the check engine light on a 2008 Chrysler Sebring?
The check engine light is reset with a scan tool after repairing the cause of the fault.The check engine light is reset with a scan tool after repairing the cause of the fault.
How do you reset service engine soon light in Chevy Trailblazer?
Get the Trouble code read then have it reset at the same time. You can also disconnect the negative battery terminal for 10 minutes and it will reset. If you have not fixed the problem the code will set again causing your check engine light to come back on.
How do you reset the service engine soon light in a 2004 trailblazer?
Alot of times your local auto parts store will have free check engine light reader. Make sure you attend to the problem if one exsists but they should be able to reset it for you at no charge (Autozone for example). Not sure with the trailblazer but sometimes if you disconnect your battery for a hour or so it will reset the computer. Auto part stores scan for CEL (check engine light). The service light is different. It usually means your vehicle has hit a set number of miles for a certain service recommended by the manufacturer. I'm not sure about the trailblazer, but my silverado has a reset procedure. Turn key on, pump gas pedal 5 times, when the light flashes press the odometer reset button. Trailblazer might be different, but probably something close.
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The check engine light has to be reset with a OBD scan tool
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You reset the check engine light with a scan tool after repairing the failure.
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How do you get the check engine light reset after your 2003 trailblazer was jumped?
Have the on board diagnostics (OBD) reset by using an obd tester or go to a mechanic and have them clear the codes and reset it for you. Some places will do it for free, possibly a parts store also.
