Low coolant lite message on display on 2000 Cadillac DeVille

Eng coolant tank is full since a power flush was performed last fall.
Vehicle has 54 k on the odometer. GM dexcool was flushed, replaced with
green eng coolant. Problem is ascertained to be a defective eng coolant sensor,....your opinion please.

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2 answers
You are probably right but a lot of the time you can be slightly low and not notice so mKe sure to add alittle coolant and if the sensor is I. The bottle just tap the bottle with a rubber hammer thanks you can call us at Youngstown mechanics 3303333997
Agreed, if coolant level is correct. Would seem to be an electrical malfunction.