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Some units of the GMC Sierra 1500, Yukon, and Yukon XL trucks and SUVs need an ECM software update to fix a glitch with the ...
Some units of the Chevy Silverado 1500, Tahoe, and Suburban trucks and SUVs need an ECM software update to fix a glitch with the check engine light.
Learn all you need to know about Engine Control Modules (ECM), or Engine Control Units (ECU), in this article concering electronically controlled midget engines. Enginology is step one in the ...
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