TSB Document:

• SB-10059032-3502.pdf
• SB-10059032-5747.pdf

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Summary

GMC/CHEVROLET: SOME VEHICLES FAILS TO PROCEED EITHER REVERSE OR FORWARD AND SOMETIMES TRANSMISSION WOULD SLIP IN ORDER TO REPAIR THE CONDITION, ENGINEER MUST DETERMINE THE CAUSE OF CONDITION BEFORE REPAIR. MODEL 2015 SIERRA 2500/3500, SILVERADO 2500/3500. *PE UPDATED 1/22/16. *PE

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