Hybrid Cooling for GMC Truck Yukon XL Denali 2009

All Component Locator

• Generator Battery Temperature Sensor Location

All Description and Operation

• Drive Motor Generator Battery Cooling Description
• Drive Motor Generator Control Module Cooling System Description and Operation

Cleaning, Inspection, and Adjustment

• Generator Control Module Cooling System Draining and Filling

Diagnostic Procedures

• Hybrid Cooling System Leak Test
• Hybrid Cooling System Loss of Coolant
• Hybrid Cooling System Overheating
• Hybrid Cooling System Pressure Cap Testing

Diagnostic Trouble Codes

• DTC P0A01-P0A03
• DTC P0A7E or P1ABE
• DTC P0A81
• DTC P0A9C-P0A9E, P0AC6-P0AC8, P0ACB-P0ACD, P0AE9, P0AEA, or P0AEB
• DTC P0AAD-P0AAF or P0AB2-P0AB4
• DTC P0BC1
• DTC P0C32

Electrical/Electronic Schematic Diagrams

• Hybrid Cooling Schematics

Mechanical Specifications

• Fastener Tightening Specifications

Removal, Installation, and Replacement

• Coolant Temperature Sensor Replacement
• Drive Motor Battery Cooling Air Outlet Duct and Front Air Outlet Duct Replacement
• Generator Battery Vent Fan Relay Replacement
• Generator Battery Vent Fan Replacement
• Generator Control Module Coolant Inlet Hose Replacement
• Generator Control Module Coolant Outlet Hose Replacement
• Generator Control Module Coolant Pump Hose Replacement
• Generator Control Module Coolant Pump Replacement
• Generator Control Module Coolant Radiator Replacement