The PCM in these cars, often located in the engine bay, endures thousands of heat cycles. The old way was to buy a used module and hope for the best, or a new one that needed a tow to the dealer for programming.
Programmed 2008 Impala Engine Control Module ECM PCM | 12622141
Programmed 2001-2003 Impala PCM 12210234 | ECM ECU | Plug & Play
Programmed 2003-2005 Impala PCM 89017735 | Engine Control Module
Programmed 2003 GM PCM | 88864822 | Plug & Play Replacement
Programmed 1997 Lumina PCM ECM 16218070 | VIN Matched
Programmed 2002 Envoy PCM YBLR | Engine Computer Flashed to Your VIN
