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Tahoe / Yukon Service Manual

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Controls

L OC DESC K9 Body Control Module K219 Lighting Control Module 11 X5

12 1714 YE/BU 10
	402 4120 1370

1715 GY 6009 BK/GY 1714 YE/BU 7 X211 1715 GY 8 9 S78 Turn Signal Switch 1 1 2 2

Last updated: Aug 8, 2026

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Courtesy Lamps Malfunction

Safety notice.Service procedures involve real hazards — hot surfaces, high‑pressure fluids, stored energy in springs and airbags, and high‑voltage systems.Always follow the WARNING and CAUTION notices in the original text.Improper repair can cause serious injury, death, or vehicle damage. This site mirrors factory documentation for reference; you are responsible for the safe execution of any procedure. Use appropriate PPE, torque to spec, and never bypass safety systems.

Content extracted from the official GM factory service manual (document ID 15530883). All rights to the original text and diagrams belong to General Motors. This site is an unofficial technical reference — not affiliated with, endorsed by, or supported by GM.