Chevrolet TSB #PIT3665M
2021 Chevrolet Silverado 1500
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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