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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 33 (AUTOMATIC TRANSMISSION - ALLISON - DIAGNOSTICS (DTCs P2724-P2771)) >> DTC P2771 >> Circuit Description

Circuit Description

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The four-wheel drive (4WD) low signal circuit is used to notify the transmission control module (TCM) that the vehicle is in 4WD low range.

DTC P2771 is a type B DTC.