Sierra 1500 4WD V8-6.0L (2007)
module disconnected and the DLC. If the circuit tests normal, replace the last module disconnected.
4. Install a 3-amp fused jumper wire between pin A and pin M of the splice pack. Install another 3-amp fused jumper wire to pin L.
5. Using the open end of the jumper wire at pin L, connect to splice pack terminals B through K and attempt to establish communications with each
module connected to the splice pack, one at a time. Each module should be able to communicate.
‹› If communications cannot be established with any module after connecting an individual module, replace the module that caused the no
communication.
Repair Instructions
Perform the Diagnostic Repair Verification after completing the repair. See: Testing and Inspection/Diagnostic Trouble Code Tests and Associated
Procedures/Verification Tests and Procedures
*
Control Module References for module replacement, setup, and programming See: Testing and Inspection/Diagnostic Trouble Code Tests and
Associated Procedures/Verification Tests and Procedures
*
GMLAN Wiring Repairs
