Gen III PCMs - Small Block Chevy

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The Powertrain Control Modules released to control Chevy's 3rd Generation Small Block V8 Engines


Identification

Gen III PCMs (like others) have a pair of identification numbers by which they can be differentiated.

Service Number

This is the top number on the label, abbreviated SERV. NO. on the printed label.

Hardware Number

This is the bottom number on the label, abbreviated HDW. NO. on the printed label.

P01 Family

Blue and Red Connectors

Service # 16238212 9354896 12200411
Hardware # 16239740 9380120/16220610 9386530
Drive by Cable
Vehicles

P59 Family