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Home >> Cadillac >> 2017 >> Escalade ESV Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Automatic Transmission - 6L80 (MYC) Or 6L90 (MYD) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2771: Four Wheel Drive (4WD) Switch Circuit (NQF, NQH) >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2017 GMC Yukon XL, 2017 GMC Yukon, 2017 Chevrolet Tahoe, 2017 Chevrolet Suburban 3500 HD, and 2017 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.

Condition 1 

Transfer case four wheel drive switch indicates high range and the calculated transfer case range is low for 5 seconds.

Condition 2 

Transfer case four wheel drive switch indicates low range and the calculated transfer case range is high for 5 seconds.

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