External Pages These are pages that do not belong to the exact selected vehicle (2024 GMC Sierra 2500 HD AT4, 6.6L Eng VIN Y), but are still accessible from a link in your vehicle's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle.
Expand All (for easy ctrl-f) Collapse All Different variant/trim Different car Section 1 (Dangers, Warnings, And Cautions) Section 2 (General Information) Section 3 (Engine Mechanical - 6.6L Diesel - Visual Identification) Section 4 (Engine Mechanical - 6.6L - Visual Identification) Section 5 (Automatic Transmission - 10L1000 - Description And Operation) Section 6 (Maintenance And Lubrication) Section 7 (Automatic Transmission - 10L1000 - Specifications) Section 8 (Engine Heating And Cooling - Specifications) Section 9 (Engine Controls And Fuel - 6.6L - Specifications) Section 10 (Engine Controls And Fuel - 6.6L Diesel - Specifications) Section 11 (Engine Mechanical - 6.6L - Specifications) Section 12 (Engine Mechanical - 6.6L Diesel - Specifications) Section 13 (Front Drive Axle) Section 14 (Hydraulic Brakes) Section 15 (Heating, Ventilation, And Air Conditioning - Specifications) Section 16 (Rear Drive Axle - Specifications) Section 17 (Transfer Case - Mp 1625/1626 (NQF)) Section 18 (Transfer Case - Mp 3023/3024 - Specifications) Section 19 (Bolted Exterior Body Panels And Closures) Section 20 (Disc Brakes) Section 21 (Fixed And MOVEABLE Windows) Section 22 (Floor Coverings And HEADLININGS) Section 23 (Frame And Underbody) Section 24 (Front Suspension) Section 25 (Parking Brake) Section 26 (Power Steering System - Specifications) Section 27 (Propeller Shaft) Section 28 (Steering Linkage) Section 29 (Steering Wheel And Column) Section 30 (Supplemental Restraints System) Section 31 (Tire Pressure Monitoring System) Section 32 (Tires And Wheels) Section 33 (TRAILERING Systems) Section 34 (Wheel Drive Shafts) Section 35 (Heating, Ventilation, And Air Conditioning - Repair Instructions) Section 36 (Engine Heating And Cooling - Repair Instructions (1 Of 2)) Section 37 (Engine Controls And Fuel - 6.6L Diesel - Repair Instructions (3 Of 3)) Section 38 (Engine Controls And Fuel - 6.6L - Repair Instructions (2 Of 2)) Section 39 (Engine Controls And Fuel - 6.6L Diesel - Repair Instructions (1 Of 3)) Section 40 (Automatic Transmission - 10L1000 - Diagnostic Information And Procedures (2 Of 2)) Section 41 (Vibration Diagnosis And Correction) Section 42 (Vehicle Diagnostic Information And Procedures - Diagnostic Starting Point - Vehicle) Section 43 (Vehicle Diagnostic Information And Procedures - Diagnostic System Check - Vehicle) Section 44 (Suspension General Diagnosis) Section 45 (Exterior Trim) Section 46 (Bumpers And Fascias) Section 47 (Lighting System - Fastener Specifications) Section 48 (Image Display Cameras) Section 49 (Instrument Panel And Console Trim - Fastener Specifications) Section 50 (Interior Trim And Paneling) Section 51 (Wiring Systems And Power Management - Special Tools And Equipment) Section 52 (Wire And Connector Repair) Section 53 (Instrument Panel And Console Trim - Repair Instructions) Section 54 (Cellular, Entertainment, And Navigation - Fastener Specifications) Section 55 (Seat Hardware, Trim, And Upholstery) Section 56 (Seat Belts) Section 57 (Driver Assistance Systems) Section 58 (12 V Battery, Starting And Charging - Repair Instructions) Section 59 (Wiper System And Washer System) Section 60 (Displays And Gauges) Section 61 (Data Communications - Fastener Specifications) Section 62 (Power Outlets) Section 63 (Seat Heating And Cooling) Section 64 (Remote Functions) Section 65 (Vehicle Diagnostic Information And Procedures - Strategy Based Diagnosis) Section 66 (Vehicle Diagnostic Information And Procedures - Diagnostic Procedure Instructions) Section 67 (Vehicle Diagnostic Information And Procedures - Symptom Byte List) Section 68 (Cellular, Entertainment, And Navigation - Description And Operation) Section 69 (Cellular, Entertainment, And Navigation - Schematic Wiring Diagrams) Section 70 (Master Electrical Component List) Section 71 (Wiring Systems And Power Management - Diagnostic Information And Procedures) Section 72 (Programming And Setup) Section 73 (Vehicle Diagnostic Information And Procedures - Diagnostic Repair Verification) Section 74 (Engine Controls And Fuel - 6.6L - Repair Instructions (1 Of 2)) Section 75 (Vehicle Access System - Repair Instructions) Section 76 (Vehicle Access System - Specifications) Section 77 (12 V Battery, Starting And Charging - Specifications) Section 78 (Wiring Systems And Power Management - Fastener Specifications) Section 79 (Lighting System - Repair Instructions) Section 80 (Vehicle Diagnostic Information And Procedures - Powertrain Diagnostic Trouble Code (DTC) Type Definitions) Section 81 (Vehicle Diagnostic Information And Procedures - Diagnostic Trouble Code (DTC) List) Section 82 (Mirrors) Section 83 (Data Communications - Diagnostic Information And Procedures (4 Of 4)) Section 84 (Vehicle Access System - Diagnostic Information And Procedures (2 Of 2)) Section 85 (Exhaust System) Section 86 (Lighting System - Description And Operation) Section 87 (Wiring Systems And Power Management - Repair Instructions) Section 88 (Horns And Pedestrian Alerts) Section 89 (Lighting System - Schematic Wiring Diagrams) Section 90 (Lighting System - Diagnostic Information And Procedures (1 Of 2)) Section 91 (HVAC - Automatic) Section 92 (Data Communications - Repair Instructions) Section 93 (Cruise Control System) Section 94 (Lighting System - Diagnostic Information And Procedures (2 Of 2)) Section 95 (Wiring Systems And Power Management - Power Distribution Wiring Schematics) Section 96 (Wiring Systems And Power Management - Ground Distribution Wiring Schematics) Section 97 (Vehicle Diagnostic Information And Procedures - Diagnostic System Check Instructions) Section 98 (12 V Battery, Starting And Charging - Diagnostic Information And Procedures) Section 99 (Electrical Center Identification Views (1 Of 2)) Section 100 (Electrical Center Identification Views (2 Of 2)) Section 101 (Electrical Component Locator And Wiring Harness Routing Views) Section 102 (Secondary And Configurable Customer Controls) Section 103 (Theft Deterrent System) Section 104 (Vehicle Access System - Schematic Wiring Diagrams) Section 105 (Vehicle Access System - Diagnostic Information And Procedures (1 Of 2)) Section 106 (Vehicle Access System - Description And Operation) Section 107 (Power Seats) Section 108 (Data Communications - Schematic Wiring Diagrams) Section 109 (Antilock Brake System) Section 110 (Component Connector End Views (A7 - A24P)) Section 111 (Component Connector End Views (A26 - B87CA (UVN))) Section 112 (Component Connector End Views (B87CA (UVO) - E7)) Section 113 (Component Connector End Views (E7L - G13A (X1 VYU))) Section 114 (Component Connector End Views (G13A (X2 KHF) - K20 (X1 L5P))) Section 115 (Component Connector End Views (K20 (X1 L8T) - K43)) Section 116 (Component Connector End Views (K44 - K111 (L5P & N2N))) Section 117 (Component Connector End Views (K111 (L8T & N2N) - K219 (X2))) Section 118 (Component Connector End Views (K219 (X3) - M96A (L5P))) Section 119 (Component Connector End Views (M96A (L8T) - Q77A)) Section 120 (Component Connector End Views (Q77B - S79LR)) Section 121 (Component Connector End Views (S79P - T12 (X2))) Section 122 (Component Connector End Views (T12 (X3) - X92IP)) Section 123 (Vehicle Diagnostic Information And Procedures - Symptoms - Vehicle) Section 124 (Data Communications - Diagnostic Information And Procedures (2 Of 4)) Section 125 (12 V Battery, Starting And Charging - Description And Operation) Section 126 (Rear Drive Axle - Special Tools And Equipment) Section 127 (Power Steering System - Diagnostic Information And Procedures) Section 128 (Power Steering System - Repair Instructions) Section 129 (Rear Suspension) Section 130 (Vehicle Diagnostic Scan Tool Information (1 Of 3)) Section 131 (Cellular, Entertainment, And Navigation - Repair Instructions) Section 132 (Vehicle Diagnostic Scan Tool Information (2 Of 3)) Section 133 (Engine Controls And Fuel - 6.6L - Schematic Wiring Diagrams) Section 134 (Engine Controls And Fuel - 6.6L Diesel - Schematic Wiring Diagrams) Section 135 (Vehicle Diagnostic Scan Tool Information (3 Of 3)) Section 136 (Power Steering System - Schematic Wiring Diagrams) Section 137 (Power Take-Off) Section 138 (Sunroof) Section 139 (Transfer Case - Mp 3023/3024 - Schematic Wiring Diagrams) Section 140 (Transfer Case - Mp 3023/3024 - Repair Instructions - On Vehicle) Section 141 (Automatic Transmission - 10L1000 - Schematic Wiring Diagrams) Section 142 (Automatic Transmission - 10L1000 - Repair Instructions - On Vehicle (1 Of 2)) Section 143 (Parking Assistance Systems) Section 144 (Immobilizer System) Section 145 (Transfer Case - Mp 3023/3024 - Description And Operation) Section 146 (Transfer Case - Mp 3023/3024 - Diagnostic Information And Procedures) Section 147 (Vehicle Diagnostic Information And Procedures - Engine Does Not Crank) Section 148 (Vehicle Diagnostic Information And Procedures - Engine Cranks But Does Not Run) Section 149 (Vehicle Diagnostic Information And Procedures - Inspection/Maintenance System Check) Section 150 (Vehicle Diagnostic Information And Procedures - DTC Status Information) Section 151 (Vehicle Diagnostic Information And Procedures - Proactive Alerts List) Section 152 (Cellular, Entertainment, And Navigation - Diagnostic Information And Procedures) Section 153 (Data Communications - Diagnostic Information And Procedures (1 Of 4)) Section 154 (HVAC - Manual) Section 155 (Rear Drive Axle - Diagnostic Information And Procedures) Section 156 (Shift Lock Control System) Section 157 (Engine Controls And Fuel - 6.6L - Diagnostic Information And Procedures (1 Of 3)) Section 158 (Engine Controls And Fuel - 6.6L Diesel - Diagnostic Information And Procedures (1 Of 4)) Section 159 (Engine Controls And Fuel - 6.6L - Diagnostic Information And Procedures (2 Of 3)) Section 160 (Engine Controls And Fuel - 6.6L Diesel - Diagnostic Information And Procedures (2 Of 4)) Section 161 (Engine Heating And Cooling - Diagnostic Information And Procedures) Section 162 (Automatic Transmission - 10L1000 - Diagnostic Information And Procedures (1 Of 2)) Section 163 (Engine Mechanical - 6.6L - Diagnostic Information And Procedures) Section 164 (Engine Controls And Fuel - 6.6L - Diagnostic Information And Procedures (3 Of 3)) Section 165 (Engine Controls And Fuel - 6.6L Diesel - Diagnostic Information And Procedures (3 Of 4)) Section 166 (Engine Controls And Fuel - 6.6L Diesel - Diagnostic Information And Procedures (4 Of 4)) Section 167 (Data Communications - Diagnostic Information And Procedures (3 Of 4)) Section 168 (Engine Mechanical - 6.6L Diesel - Diagnostic Information And Procedures) Section 169 (Heating, Ventilation, And Air Conditioning - Diagnostic Information And Procedures) Section 170 (Vehicle Description And Operation - Proactive Alerts Description And Operation) Section 171 (Rear Drive Axle - Repair Instructions (1 Of 2)) Section 172 (Rear Drive Axle - Repair Instructions (2 Of 2)) Section 173 (Rear Drive Axle - Schematic Wiring Diagrams) Section 174 (Rear Drive Axle - Description And Operation) Section 175 (Data Link Communications Description And Operation) Section 176 (Engine Mechanical - 6.6L - Repair Instructions (2 Of 4)) Section 177 (Engine Mechanical - 6.6L Diesel - Repair Instructions (9 Of 11)) Section 178 (Engine Controls And Fuel - 6.6L - Description And Operation) Section 179 (Engine Mechanical - 6.6L - Repair Instructions (3 Of 4)) Section 180 (Engine Controls And Fuel - 6.6L - Special Tools And Equipment) Section 181 (Engine Heating And Cooling - Description And Operation) Section 182 (Engine Heating And Cooling - Repair Instructions (2 Of 2)) Section 183 (Wiring Systems And Power Management - Power MODING Wiring Schematics) Section 184 (Engine Mechanical - 6.6L - Repair Instructions (4 Of 4)) Section 185 (Engine Mechanical - 6.6L - Repair Instructions (1 Of 4)) Section 186 (Engine Mechanical - 6.6L - Description And Operation) Section 187 (Engine Mechanical - 6.6L - Special Tools And Equipment) Section 188 (Engine Heating And Cooling - Special Tools And Equipment) Section 189 (Transmission Cooling System) Section 190 (Engine Controls And Fuel - 6.6L Diesel - Repair Instructions (2 Of 3)) Section 191 (Automatic Transmission - 10L1000 - Repair Instructions - On Vehicle (2 Of 2)) Section 192 (Engine Mechanical - 6.6L Diesel - Repair Instructions (6 Of 11)) Section 193 (Engine Mechanical - 6.6L Diesel - Repair Instructions (7 Of 11)) Section 194 (Engine Controls And Fuel - 6.6L Diesel - Description And Operation) Section 195 (Engine Mechanical - 6.6L Diesel - Repair Instructions (2 Of 11)) Section 196 (Engine Mechanical - 6.6L Diesel - Repair Instructions (11 Of 11)) Section 197 (Engine Controls And Fuel - 6.6L Diesel - Special Tools And Equipment) Section 198 (Engine Heating And Cooling - Schematic Wiring Diagrams) Section 199 (Engine Mechanical - 6.6L Diesel - Special Tools And Equipment) Section 200 (Engine Mechanical - 6.6L Diesel - Repair Instructions (1 Of 11)) Section 201 (Engine Mechanical - 6.6L - Schematic Wiring Diagrams) Section 202 (Engine Mechanical - 6.6L Diesel - Repair Instructions (3 Of 11)) Section 203 (Engine Mechanical - 6.6L Diesel - Repair Instructions (4 Of 11)) Section 204 (Engine Mechanical - 6.6L Diesel - Repair Instructions (8 Of 11)) Section 205 (Engine Mechanical - 6.6L Diesel - Repair Instructions (5 Of 11)) Section 206 (Engine Mechanical - 6.6L Diesel - Description And Operation) Section 207 (Engine Mechanical - 6.6L Diesel - Repair Instructions (10 Of 11)) Section 208 (Automatic Transmission - 10L1000 - Special Tools And Equipment) Section 209 (12 V Battery, Starting And Charging - Schematic Wiring Diagrams) Section 210 (Wiring Systems And Power Management - Description And Operation) Section 211 (12 V Battery, Starting And Charging - Special Tools And Equipment) Section 212 (Heating, Ventilation, And Air Conditioning - Description And Operation) Section 213 (Heating, Ventilation, And Air Conditioning - Special Tools And Equipment) Section 214 (Inline Harness Connector End Views (X122 - X176)) Section 215 (Inline Harness Connector End Views (X210 - X227)) Section 216 (Inline Harness Connector End Views (X237 - X360)) Section 217 (Inline Harness Connector End Views (X370A - X404)) Section 218 (Inline Harness Connector End Views (X410 - X505)) Section 219 (Inline Harness Connector End Views (X600 - X950)) Section 220 (Inline Harness Connector End Views (X950D - X985)) Section 221 (Wiring Systems And Power Management - UPFITTER Provision Wiring Schematics) Section 222 (Power Steering System - Description And Operation) Section 223 (Power Steering System - Special Tools And Equipment) Section 224 (Wheel Alignment) Section 225 (Automatic Transmission - 10L1000 - Repair Instructions - Off Vehicle) Section 226 (Automatic Transmission - 10L1000 - Component Locator) Section 227 (Transfer Case - Mp 3023/3024 - Repair Instructions - Off Vehicle) Section 228 (Transfer Case - Mp 3023/3024 - Special Tools And Equipment - Special Tools) Section 229 (Component Connector End Views - Index) Section 230 (Inline Harness Connector End Views - Index)