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DTC P0601: AF ECM Memory: Description

WARNING: This page is about a different car, the 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

Alternate Fuel Engine Control Unit (AF ECM) contains data storage areas. AF ECM runs a test on stored data called check-sum. This DTC is used to indicate a failure has occurred within AF ECM.

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