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Old 11-22-2015, 09:48 PM
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Check engine light

I did the side marker/blinker mod Friday afternoon and Saturday morning my check engine light came on It is showing code P0340 which is Camshaft Position Sensor A Circuit. Coincidence or did I cause this?

2013 Sport model 15500 miles

Thanks for the help!

Byrdman

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Old 11-23-2015, 04:56 PM
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Anybody have any thoughts?

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Old 11-23-2015, 05:23 PM   #3
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The side marker/blinker modification was the 2nd upgrade I performed on my '11 JK.
There is no correspondence between the side marker wiring and the CPS circuit.
Not to insult you, but did you read the code correctly?
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Old 11-23-2015, 05:24 PM   #4
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It does seem like a coincidence. Other than the light and code are there any actual symptoms?
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Old 11-23-2015, 08:16 PM
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No symptoms and I had AutoZone read the code for me. This evening when I started it, there was no light and so far it has stayed off.
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