Yukon XL 2500 2WD V8-8.1L VIN G (2004): Relays and Modules

Also for this vehicle: Yukon XL 2500 2WD V8-6.0L VIN N (2006), Yukon XL 2500 2WD V8-6.0L VIN U (2005), Yukon XL 2500 4WD V8-6.0L VIN N (2006), Yukon XL 2500 4WD V8-6.0L VIN U (2005), Yukon XL 2500 4WD V8-8.1L VIN G (2004), Yukon XL 2WD V8-5.3L (2011), Yukon XL 2WD V8-6.0L (2007), Yukon XL 4WD V8-5.3L (2011), Yukon XL 4WD V8-6.0L (2007), Yukon XL Denali 2WD V8-6.2L (2011), Yukon XL Denali AWD V8-6.2L (2010).

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1. 01Relays and ModulesRelays and Modules: Sections
   • Relays and Modules - Accessories and Optional Equipment281 pages

     • Accessory Delay Module › Component Information8 pages

       • Description and Operation
       • Testing and Inspection › Initial Inspection and Diagnostic Overview234567
     • Antenna Control Module › Component Information › Locations234
     • Communications Control Module › Component Information › Technical Service Bulletins8 pages

       • Recalls for Communications Control Module: › 10037 › Apr › 10 › Campaign - Unwanted Repeat Calls to OnStar(R)234
       • All Technical Service Bulletins for Communications Control Module: › 10037 › Apr › 10 › Campaign - Unwanted Repeat Calls to OnStar(R)234
     • Emergency Contact Module › Component Information › Technical Service Bulletins215 pages

       • Recalls: › 08089C › Nov › 08 › Campaign - Deactivation Of Analog OnStar(R)234567891011121314151617181920…35
       • Customer Interest:9 pages

         • 05-08-46-004C › Dec › 10 › OnStar(R) - Number Incorrect/Incorrectly Assigned2
         • 05-08-46-001D › May › 08 › OnStar(R) - No Power/Inoperative/No LED2
         • 02-08-46-006C › Jan › 08 › OnStar(R) - Incorrect GPS Position Reported During Call2
         • 02-08-46-007C › Nov › 07 › OnStar(R) - Loss of GPS Signal/Hands Free Issues23
       • All Technical Service Bulletins for Emergency Contact Module:89 pages

         • 05-08-46-004C › Dec › 10 › OnStar(R) - Number Incorrect/Incorrectly Assigned2
         • 02-08-44-007D › May › 09 › OnStar(R) - Negative Impact of Cloth/Vinyl Roofs
         • 09-08-46-001 › Apr › 09 › OnStar(R) - Generation 6 Service Procedures234567891011121314151617181920…27
         • 08089C › Nov › 08 › Campaign - Deactivation Of Analog OnStar(R)234567891011121314151617181920…35
         • 05-08-46-006Q › Oct › 08 › OnStar(R) - Analog/Digital Ready System Digital Upgrade2345678910111213
         • 06-08-46-008C › Sep › 08 › OnStar(R) - Analog/Digital System Information2
         • 08-08-46-004 › Aug › 08 › OnStar(R) - Aftermarket Device Interference Information
         • 05-08-46-001D › May › 08 › OnStar(R) - No Power/Inoperative/No LED2
         • 00-08-46-004C › Jan › 08 › OnStar(R) - Re-establishing OnStar(R) Communications
         • 02-08-46-006C › Jan › 08 › OnStar(R) - Incorrect GPS Position Reported During Call2
         • 02-08-46-007C › Nov › 07 › OnStar(R) - Loss of GPS Signal/Hands Free Issues23
       • All Other Service Bulletins for Emergency Contact Module: › 02-05-22-004C › Apr › 05 › Electrical - Trailer Brakes Apply With Headlamps ON2
       • All Other Service Bulletins for Emergency Contact Module:80 pages

         • 02-08-44-007D › May › 09 › OnStar(R) - Negative Impact of Cloth/Vinyl Roofs
         • 09-08-46-001 › Apr › 09 › OnStar(R) - Generation 6 Service Procedures234567891011121314151617181920…27
         • 08089C › Nov › 08 › Campaign - Deactivation Of Analog OnStar(R)234567891011121314151617181920…35
         • 05-08-46-006Q › Oct › 08 › OnStar(R) - Analog/Digital Ready System Digital Upgrade2345678910111213
         • 06-08-46-008C › Sep › 08 › OnStar(R) - Analog/Digital System Information2
         • 08-08-46-004 › Aug › 08 › OnStar(R) - Aftermarket Device Interference Information
         • 00-08-46-004C › Jan › 08 › OnStar(R) - Re-establishing OnStar(R) Communications
     • Global Positioning System Module › Component Information › Locations23456
     • Keyless Entry Module › Component Information › Technical Service Bulletins4 pages

       • Customer Interest for Keyless Entry Module: › 04-08-52-005 › Jun › 04 › Keyless Entry - Inoperative2
       • All Technical Service Bulletins for Keyless Entry Module: › 04-08-52-005 › Jun › 04 › Keyless Entry - Inoperative2
     • Parking Assist Control Module › Component Information › Locations234
     • Relay Module › Component Information › Technical Service Bulletins32 pages

       • Customer Interest: › 09-06-03-004D › Dec › 10 › Electrical - MIL ON/DTC's Set By Various Control Modules234
       • All Technical Service Bulletins: › 09-06-03-004D › Dec › 10 › Electrical - MIL ON/DTC's Set By Various Control Modules234
       • All Other Service Bulletins for Relay Module:24 pages

         • 01-07-30-036H › Jan › 09 › A/T Control - DTC P0756 Diagnostic Tips
         • 08-07-30-015 › Mar › 08 › A/T - MIL ON/DTC P0757/Harsh or Slipping 2-3 Shift
         • 08-07-30-001 › Jan › 08 › A/T - Slips/Harsh Shifts/Delayed Shifts/Multiple DTC's234567
         • 07-07-30-024 › Sep › 07 › A/T - Valve Body Reconditioning23456789
         • 01-07-30-038D › Sep › 06 › A/T - Poor Performance/MIL ON/DTC P07572
         • 01-07-30-030B › Oct › 05 › A/T - 4L60-E/4L65-E Harsh 1-2 Upshift Diagnosis234
       • All Other Service Bulletins for Relay Module:0 pages

         • 01-07-30-036H › Jan › 09 › A/T Control - DTC P0756 Diagnostic Tips
         • 08-07-30-015 › Mar › 08 › A/T - MIL ON/DTC P0757/Harsh or Slipping 2-3 Shift
         • 08-07-30-001 › Jan › 08 › A/T - Slips/Harsh Shifts/Delayed Shifts/Multiple DTC's
         • 07-07-30-024 › Sep › 07 › A/T - Valve Body Reconditioning
         • 01-07-30-038D › Sep › 06 › A/T - Poor Performance/MIL ON/DTC P0757
         • 01-07-30-030B › Oct › 05 › A/T - 4L60-E/4L65-E Harsh 1-2 Upshift Diagnosis
   • Relays and Modules - Body and Frame104 pages

     • Door Module › Component Information81 pages

       • Locations2
       • Diagrams › Diagram Information and Instructions234567891011121314151617181920…79
     • Keyless Entry Module › Component Information › Technical Service Bulletins4 pages

       • Customer Interest for Keyless Entry Module: › 04-08-52-005 › Jun › 04 › Keyless Entry - Inoperative2
       • All Technical Service Bulletins for Keyless Entry Module: › 04-08-52-005 › Jun › 04 › Keyless Entry - Inoperative2
     • Memory Positioning Module › Component Information › Technical Service Bulletins8 pages

       • Customer Interest for Memory Positioning Module:4 pages

         • 04-08-50-016C › Aug › 05 › Interior - Erratic Memory Seat Operation2
         • 04-08-50-003 › Feb › 04 › Interior - Seat Memory Feature Appears Inoperative2
       • All Technical Service Bulletins for Memory Positioning Module:4 pages

         • 04-08-50-016C › Aug › 05 › Interior - Erratic Memory Seat Operation2
         • 04-08-50-003 › Feb › 04 › Interior - Seat Memory Feature Appears Inoperative2
     • Power Door Lock Relay › Component Information › Locations
     • Power Seat Control Module › Component Information › Technical Service Bulletins4 pages

       • Customer Interest for Power Seat Control Module: › 04-08-50-016C › Aug › 05 › Interior - Erratic Memory Seat Operation2
       • All Technical Service Bulletins for Power Seat Control Module: › 04-08-50-016C › Aug › 05 › Interior - Erratic Memory Seat Operation2
     • Seat Heater Control Module › Component Information › Technical Service Bulletins4 pages

       • Customer Interest for Seat Heater Control Module:2 pages

         • 05-08-50-008 › Aug › 05 › Interior - Intermittent Seat Heater Operation
         • 05-08-05-008 › Aug › 05 › Interior - Heated Seats Intermittently Inoperative
       • All Technical Service Bulletins for Seat Heater Control Module:2 pages

         • 05-08-50-008 › Aug › 05 › Interior - Intermittent Seat Heater Operation
         • 05-08-05-008 › Aug › 05 › Interior - Heated Seats Intermittently Inoperative
     • Sunroof / Moonroof Relay › Component Information › Locations2
   • Relays and Modules - Brakes and Traction Control24 pages

     • Electronic Brake Control Module › Component Information22 pages

       • Technical Service Bulletins18 pages

         • Customer Interest for Electronic Brake Control Module:9 pages

           • 04-05-25-002E › Mar › 09 › Brakes - ABS Lamp ON/DTC's C0265/C0201/U1041 Set2
           • 05-05-25-003B › Feb › 06 › TCS/ABS - Service Stability Message/Multiple DTC's Set23
           • 05-05-25-008 › Oct › 05 › ABS - 'Service Stabilitrak(R)' Message/DTC C0455 Set2
           • 04-08-49-006C › Jan › 05 › ABS/TCS - Service Stability Message/DTC C0550 Set
           • 03-05-25-005 › Aug › 03 › Brakes/Traction Control - Service Stability Displayed
         • All Technical Service Bulletins for Electronic Brake Control Module:9 pages

           • 04-05-25-002E › Mar › 09 › Brakes - ABS Lamp ON/DTC's C0265/C0201/U1041 Set2
           • 05-05-25-003B › Feb › 06 › TCS/ABS - Service Stability Message/Multiple DTC's Set23
           • 05-05-25-008 › Oct › 05 › ABS - 'Service Stabilitrak(R)' Message/DTC C0455 Set2
           • 04-08-49-006C › Jan › 05 › ABS/TCS - Service Stability Message/DTC C0550 Set
           • 03-05-25-005 › Aug › 03 › Brakes/Traction Control - Service Stability Displayed
       • Service and Repair › Electronic Brake Control Module (EBCM)234
     • Traction Control Module › Component Information › Technical Service Bulletins2 pages

       • Customer Interest for Traction Control Module: › 03-05-25-005 › Aug › 03 › Brakes/Traction Control - Service Stability Displayed
       • All Technical Service Bulletins for Traction Control Module: › 03-05-25-005 › Aug › 03 › Brakes/Traction Control - Service Stability Displayed
   • Relays and Modules - Cruise Control › Cruise Control Module › Component Information › Locations
   • Relays and Modules - HVAC39 pages

     • Blower Motor Relay › Component Information › Technical Service Bulletins2 pages

       • Customer Interest for Blower Motor Relay: › 03-01-38-015A › Oct › 08 › A/C - Blower Motor Runs After Vehicle Is Shut OFF
       • All Technical Service Bulletins for Blower Motor Relay: › 03-01-38-015A › Oct › 08 › A/C - Blower Motor Runs After Vehicle Is Shut OFF
     • Compressor Clutch Relay › Component Information › Locations23
     • Control Module HVAC › Component Information34 pages

       • Technical Service Bulletins24 pages

         • Recalls: › 11046 › Apr › 11 › Campaign - HVAC Blower Not Functional Runs Continuously23
         • Customer Interest:5 pages

           • 06-01-39-015A › Jan › 07 › A/C - No Rear Temp Control/Noise/DTC's B0434 or B376423
           • 06-01-38-003 › Apr › 06 › A/C - Ticking Noise From Instrument Panel/DTC's Set2
         • All Technical Service Bulletins for Control Module HVAC:8 pages

           • 11046 › Apr › 11 › Campaign - HVAC Blower Not Functional Runs Continuously23
           • 06-01-39-015A › Jan › 07 › A/C - No Rear Temp Control/Noise/DTC's B0434 or B376423
           • 06-01-38-003 › Apr › 06 › A/C - Ticking Noise From Instrument Panel/DTC's Set2
         • All Other Service Bulletins for Control Module HVAC:5 pages

           • 06-01-39-015A › Jan › 07 › A/C - No Rear Temp Control/Noise/DTC's B0434 or B376423
           • 06-01-38-003 › Apr › 06 › A/C - Ticking Noise From Instrument Panel/DTC's Set2
         • All Other Service Bulletins for Control Module HVAC: › 11046 › Apr › 11 › Campaign - HVAC Blower Not Functional Runs Continuously23
       • Diagrams › HVAC Control Processor - Auxiliary234
       • Description and Operation › HVAC Systems - Manual2
       • Service and Repair › HVAC System - Automatic234
   • Relays and Modules - Lighting and Horns20 pages

     • Daytime Running Lamp Relay › Component Information › Locations2
     • Exterior Lighting Module › Exterior Lighting Relay › Component Information › Locations2
     • Fog/Driving Lamp Relay › Component Information › Locations2
     • Headlamp Igniter Module › Component Information › Service and Repair2
     • Horn Relay › Component Information › Locations2
     • Low Beam Relay › Component Information › Locations2
     • Parking Lamp Relay › Component Information › Locations2
     • Trailer Lighting Module › Component Information › Technical Service Bulletins6 pages

       • Customer Interest for Trailer Lighting Module: › 02-05-22-004C › Apr › 05 › Electrical - Trailer Brakes Apply With Headlamps ON23
       • All Technical Service Bulletins for Trailer Lighting Module: › 02-05-22-004C › Apr › 05 › Electrical - Trailer Brakes Apply With Headlamps ON23
   • Relays and Modules - Power and Ground Distribution › Relay Box › Component Information41 pages

     • Locations › Body Relay Block2345
     • Diagrams › Relay Block - I/P - C1234567891011121314151617181920212223
     • Application and ID › Body Relay Block2345
     • Service and Repair › Instrument Panel Electrical Center or Junction Block Replacement - Left2345678
   • Relays and Modules - Powertrain Management234 pages

     • Relays and Modules - Computers and Control Systems163 pages

       • Body Control Module › Component Information77 pages

         • Technical Service Bulletins2 pages

           • Customer Interest for Body Control Module: › 05-02-118-002 › Feb › 05 › Steering - 'Service Rear Wheel Steering' Message
           • All Technical Service Bulletins for Body Control Module: › 05-02-118-002 › Feb › 05 › Steering - 'Service Rear Wheel Steering' Message
         • Diagrams › Diagram Information and Instructions234567891011121314151617181920…72
         • Service and Repair › Procedures23
       • Electronic Throttle Control Module › Component Information › Locations234
       • Engine Control Module › Component Information82 pages

         • Technical Service Bulletins › Engine Controls - Aftermarket Accessory Usage2
         • Diagrams › Diagram Information and Instructions234567891011121314151617181920…76
         • Description and Operation › Powertrain Control Module (PCM)234
     • Relays and Modules - Fuel Delivery and Air Induction › Fuel Pump Relay › Component Information64 pages

       • Locations › Fuel Pump Relay23
       • Diagrams › Diagram Information and Instructions234567891011121314151617181920…61
     • Relays and Modules - Ignition System › Ignition Relay › Component Information › Locations234567
   • Relays and Modules - Restraint Systems › Inflatable Restraint Sensing And Diagnostic Module <--> [Air Bag Control Module] › Component Information › Locations234567
   • Relays and Modules - Starting and Charging › Starter Relay › Component Information › Locations2
   • Relays and Modules - Steering and Suspension › Relays and Modules - Wheels and Tires2 pages

     • Tire Pressure Module › Component Information › Technical Service Bulletins › TPMS System - Service And Re-Learning Sensor IDs
     • Tire Pressure Monitor Receiver / Transponder › Component Information › Technical Service Bulletins › Tire Monitor System - TPM Sensor Information
   • Relays and Modules - Windows and Glass › Power Window Control Module › Component Information › Service and Repair › Module Replacement - Rear Power Window2
   • Relays and Modules - Wiper and Washer Systems5 pages

     • Windshield Washer Relay › Component Information › Locations2
     • Wiper Control Module › Component Information › Locations23
2. 02Sensors and SwitchesSensors and Switches: Sections
3. 03MaintenanceMaintenance: Sections
4. 04Engine, Cooling and ExhaustEngine, Cooling and Exhaust: Sections
5. 05Powertrain ManagementPowertrain Management: Sections
6. 06Transmission and DrivetrainTransmission and Drivetrain: Sections
7. 07Brakes and Traction ControlBrakes and Traction Control: Sections
8. 08Starting and ChargingStarting and Charging: Sections
9. 09Power and Ground DistributionPower and Ground Distribution: Sections
10. 10Steering and SuspensionSteering and Suspension: Sections
11. 11Heating and Air ConditioningHeating and Air Conditioning: Sections
12. 12Restraint SystemsRestraint Systems: Sections
13. 13Accessories and Optional EquipmentAccessories and Optional Equipment: Sections
14. 14Body and FrameBody and Frame: Sections
15. 15Cruise ControlCruise Control: Sections
16. 16Instrument Panel, Gauges and Warning IndicatorsInstrument Panel, Gauges and Warning Indicators: Sections
17. 17Lighting and HornsLighting and Horns: Sections
18. 18Windows and GlassWindows and Glass: Sections
19. 19Wiper and Washer SystemsWiper and Washer Systems: Sections