Chevrolet/GMC Silverado/Sierra/Sierra Denali 2500 HD/3500 HD Owner
Manual (GMNA-Localizing-MidEast-16504136) - 2023 - CRC - 6/8/22
6 Introduction
23. Data Link Connector (DLC) (Out of View).
See Malfunction Indicator Lamp (Check
Engine Light) 0 121.
24. Electric Parking Brake 0 235.
25. Fog Lamps 0 144 (If Equipped).
Instrument Panel Illumination Control
0 146.
Exterior Cargo Lamps 0 145.
Exterior Lamp Controls 0 140.
Task Lighting 0 144 (If Equipped).