Affected Component: POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

Date Published
OCT 01, 2012
NHTSA TSB #
10047919
TSB Document
Summary
CHEVROLET/GMC: THE 4WD FAILS TO ENGAGE WHEN SERVICE 4WD INDICATOR ILLUMINATES AND TRANSFER CASE CONTROL MODULE (TCCM) REPORTS POSSIBLE C0379 SET. MODELS 2012-2013 AVALANCHE, SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKON, YUKON XL. *PE