The owners of the GM 1999-2000 K-1500 Trucks lucky enough to possess “GYMKO” Tech2 Scanners capable of performing a deeper diagnosis of their problems with the 4WD Encoders will be very interested in reading this article concerning The Code B2527 and other repair insights as well:
https://www.drivetrain.com/parts_ca...s_and_parts/gm_encoder_motor_diagnostics.html
https://www.drivetrain.com/parts_ca...s_and_parts/gm_encoder_motor_diagnostics.html