Remanufactured 2004-2007 Saturn Ion, Chevrolet Cobalt, Chevrolet Malibu GM ECM PCM ECU | Service Number 12589320 ServiceNumber_29544772 8L V6 1997 Buick Regal

8L V6 1997 Buick Regal 3

a scan tool can be used to read it out

Module / primary service number: 20964306

2L Flex 2009 Chevrolet Avalanche 5

Module / primary service number: 12633555

Remanufactured 2004-2007 Saturn Ion, Chevrolet Cobalt, Chevrolet Malibu GM ECM PCM ECU | Service Number 12589320 ServiceNumber_29544772 8L V6 1997 Buick RegalRemanufactured GM ECM VIN Programmed Ready to Install Condition: Remanufactured unit. This remanufactured GM engine control module is prepared for VIN based programming and application review. The application guide below lists compatible GM vehicles and related service module numbers in a normalized year, make, and model format. GM service numbers and module labels may cross reference multiple vehicle applications. We keep the service module number