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15869971 GMC 02-7 ENVOY remanufactured ECM ECU
Product ID : 39965140
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39965140
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About 15869971 GMC 02-7 ENVOY Remanufactured ECM ECU
An engine control unit (ECU), now called the powertrain control module (PCM), is a type of electronic control unit that controls a series ofactuators on an internal combustion engine to ensure optimal engine performance.
