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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 663 (Transfer Case - NVG 246-NP8 (2-Speed Automatic)) >> Description & Operation >> Transfer Case Description & Operation >> Vehicle Speed Sensor

Vehicle Speed Sensor

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

One of the two speed sensors on the rear output shaft is the vehicle speed sensors (VSS) input to the powertrain control module (PCM). The PCM sends this information to the transfer case shift control module via the Class 2 serial data bus.