Manufacturer communication — 2006 GMC YUKON DENALI XL

• The bulletin is addressed to 2015 and prior GM passenger cars and trucks.

  the passage

  2015 and Prior GM Passenger Cars and Trucks

• It is a table of field product reminders listing, per model year and vehicle line/condition, what to do, what not to do, and the reference bulletin.

  the passage

  Model Year(s) Vehicle Line(s) / Condition Do This Don't Do This Reference Information/Bulletin

• The only row naming Yukon covers 2014-2015 Tahoe, Suburban, Silverado, Sierra, Yukon XL and Yukon: intermittent no start, security lamp illuminated, DTCs B3935 and B2955 set.

  the passage

  2014-2015 Tahoe, Suburban, Silverado, Sierra, Yukon XL, Yukon — Intermittent No Start, Security Lamp Illuminated, DTCs B3935 and B2955 Set

Repair

• For that row the table says to reprogram the BCM only in the event of security system codes, and lists as the thing not to do reprogramming the BCM for any no-start issue that does not include B3935 or B2955; the reference is PI1180A.

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  Reprogram BCM ONLY in the event of Security system codes. Reprogram BCM for any no-start issues that do not include the B3935 or B2955 Malfunction Codes. PI1180A