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ECU flashing cel with both connectors connected


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#1 mwitacharles

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Posted 15 May 2013 - 06:08 PM

I am finding this very strange and wanted to know if it is normal. the ecu gives cel codes when both the black and green connectors are connected and i am not sure if that is normal. It will also do that even after i have cleared the memory even by removing the battery terminals it will still flash some strange codes!!! has anyone experienced this?

#2 Morgan

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Posted 15 May 2013 - 06:11 PM

What car is it?

What is the code?

Connecting those plugs is how you check the codes.

Unplug them.

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#3 Adam

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Posted 15 May 2013 - 06:12 PM

I believe the codes won't clear of there is actually a fault with the sensors!


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#4 Samwise

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Posted 15 May 2013 - 06:18 PM

If you have a fault, having those plugs connected will show the CEL.

Unplug them and fix the fault!

I like to think of it as borrowing someone's car and driving it better than them.





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