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GMC TSB #PIE0406A
2017 GMC Sierra
TSB Document:
Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW
- Summary
- This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Rear Defogger Grid Inoperative and/or Will Not Defog Rear Window Properly
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