GMC TSB #PIT3665M

2004 GMC Sierra 2500

TSB Document:

Affected Component: ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

Summary
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.

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Date Published
MAY 19, 2023
NHTSA TSB #
10237671
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