A module in a vehicle used to monitor and control many components of the vehicle's engine management system. ECC. Engine Control Computer. Engine Control Module (ECM). Engine Control Unit (ECU). General Purpose Embedded Control Unit. Powertrain Control Module. Engine Control Module
Fits Sierra 2500 HD, Sierra 3500 HD, Silverado6.6 LITER DIESEL. Silverado, Sierra 2500 HD; Diesel. Silverado, Sierra 3500 HD; Diesel.
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Installed price includes part and dealer installation cost, local taxes not included.