Description & Operation: Notes
WARNING: This page is about a different variant/trim than selected.
NOTE:
This article applies to "Old Style" "C" & "K" Series vehicles equipped with 5.7L, 6.5L and 7.4L engines. This includes the Tahoe Limited and Tahoe Z71. For "New Style" "C" & "K" Series vehicles equipped with 4.3L, 4.8L, 5.3L and 6.0L engines, see BODY CONTROL MODULES - SIERRA, SILVERADO, SUBURBAN, TAHOE & YUKON
article.
WARNING:
Vehicles are equipped with air bag supplemental restraint system. Before attempting any repairs involving steering column, instrument panel or related components, see AIR BAG RESTRAINT SYSTEMS - WITH SIDE AIR BAG
or AIR BAG RESTRAINT SYSTEMS - WITHOUT SIDE AIR
article in RESTRAINTS.
CAUTION:
When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See ESCALADE, PICKUP, SIERRA, SILVERADO, TAHOE & YUKON
in COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
The Data Link Connector (DLC) is used as an access point for different vehicle diagnostic and programming functions involving the use of a scan tool.