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What does this code mean on an impala?

what does this code mean?


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@jhowell252 that code means Lost Communication With Engine Control Module

Causes for that can be:

Faulty Engine Control Module (ECM)

ECM harness is open or shorted

ECM circuit poor electrical connection

You will find a service bulletin for that code on here. Chevrolet Impala is not listed in this bulletin but the error and the repair should still be the same.

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