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International Automotive Technicians Network
Re: 99 Yukon Auto Transfer case bumping
Posted to Technical Discussion Forum on 11/3/2011

Does the frt. and rear speed sensors read the same on the scan tool at all speeds?

You may already have this info:

Speed sensor: One of the two on the rear output shaft is the vehicle speed sensor (VSS) input to the powertrain control module (PCM). The PCM... Login to read more.