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Error codes that aren't critical.

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Old 30 Nov 2009, 10:43 pm
Fresh Cruiser
Join Date: Oct 2009
Location: SW Florida
Posts: 47
Default Error codes that aren't critical.

I've had two codes for many years that I just live with.
They are 0601, and 1684.
These are internal ECM circuits malfunctioning.
I had thought that the logic chip controlling the engine light turn on function is at fault?
Car has normal MPG and never skipped a beat all these years, it's an 01.
Should I not be worried?
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Old 01 Dec 2009, 06:12 am
quicksilverdon's Avatar
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Join Date: Nov 2003
Location: Felton, Delaware
Posts: 20,501
Default Re: Error codes that aren't critical.

Read this - P0601: it MAY be covered under emissions warranty
OBD-II Trouble Code: P0601 Internal Control Module Memory Check Sum Error

1684 - should not stay - maybe you should check you battery cabl connections

1684 - The battery has been disconnected within the last 50 starts.
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Old 01 Dec 2009, 11:20 pm
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Join Date: Oct 2009
Location: SW Florida
Posts: 47
Default Re: Error codes that aren't critical.

Thanx for this info.
I did just put a battery in her.
The 0601 reflashing may be worth a try.
Having the engine light on this car bothers me.
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