GMC TSB #21NA199

2016 GMC Sierra 3500

TSB Document:

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY

Summary
This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv.

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Date Published
DEC 10, 2021
NHTSA TSB #
10207911
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