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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Transfer Case - NVG 236/246-NP8 (Two-Speed Automatic) Service) >> Description and Operation >> Transfer Case Description and Operation >> Transfer Case Speed Sensors >> Vehicle Speed Sensor

Vehicle Speed Sensor

WARNING: This page is about a different variant/trim than selected.

One of the two speed sensors on the rear output shaft is the vehicle speed sensor (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.

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