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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 141 (Engine Controls Self-Diagnostics - 5.7L - Bi-Fuel) >> Diagnostic Tests >> DTC P0601: AF ECM Memory >> Description

DTC P0601: AF ECM Memory: Description

WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. 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 checksum. This DTC is used to indicate a failure has occurred within AF ECM.

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