Avalanche 4WD V8-5.3L (2011): Powertrain Management

Also for this vehicle: Avalanche 1500 2WD V8-5.3L (2008), Avalanche 1500 2WD V8-5.3L VIN T (2002), Avalanche 1500 2WD V8-5.3L VIN Z Flex Fuel (2005), Avalanche 1500 4WD V8-5.3L (2007), Avalanche 1500 4WD V8-5.3L VIN T (2003), Avalanche 1500 4WD V8-5.3L VIN Z Flex Fuel (2005), Avalanche 2500 2WD V8-8.1L VIN G (2002), Avalanche 2500 4WD V8-8.1L VIN G (2003).

Diagnostics Maintenance Engine General Transmission Brakes Electrical Steering & suspension Heating & A/C Body & interior

Choose Sections to see everything in a chapter, or a chapter title to start at its first page.

01Relays and Modules Relays and Modules: Sections
02Sensors and Switches Sensors and Switches: Sections
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Hybrid Drive Systems Hybrid Drive Systems: Sections
06Powertrain Management Powertrain Management: Sections
- Relays and Modules - Powertrain Management57 pages
  - Relays and Modules - Computers and Control Systems41 pages
    Body Control Module › Component Information22 pages
    Locations › Behind the Instrument Panel Components2
    Diagrams › Auxiliary Body Control Module (XBCM) X1 (EXP)2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
    Service and Repair › Auxiliary Body Control Module Replacement2 3
    Engine Control Module › Component Information14 pages
    Technical Service Bulletins › Engine Controls - Aftermarket Accessory Usage2 3 4 5 6
    Locations › Front of the Engine Compartment Components2
    Diagrams › Engine Control Module (ECM) X12 3 4 5 6
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5
  - Relays and Modules - Fuel Delivery and Air Induction16 pages
    Fuel Pump Control Unit › Component Information5 pages
    Locations
    Diagrams › Fuel Pump Flow Control Module (without JL1)2 3 4
    Fuel Pump Relay › Component Information › Locations2 3 4 5 6
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5
- Sensors and Switches - Powertrain Management115 pages
  - Sensors and Switches - Computers and Control Systems81 pages
    Accelerator Pedal Position Sensor › Component Information › Service and Repair2
    Air Flow Meter/Sensor › Component Information › Locations2 3
    Barometric Pressure Sensor › Component Information › Diagrams
    Battery Current Sensor › Component Information › Diagrams2 3
    Camshaft Position Sensor › Component Information4 pages
    Locations › Front and Left Side of Engine Components (except LZ1)2
    Diagrams › Camshaft Position (CMP) Actuator Solenoid Valve2
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Service and Repair2
    Crankshaft Position Sensor › Component Information › Locations2 3 4 5
    Fuel Level Sensor › Component Information › Service and Repair
    Fuel Pressure Sensor › Component Information › Diagrams
    Fuel Tank Pressure Sensor › Component Information › Locations2 3 4
    Intake Air Temperature Sensor › Component Information › Service and Repair
    Knock Sensor › Component Information10 pages
    Locations › Knock Sensor (KS) 12 3 4
    Diagrams › Knock Sensor (KS) 12
    Service and Repair › Knock Sensor 1 Replacement2 3 4
    Manifold Pressure/Vacuum Sensor › Component Information › Locations › Top of Engine Components (except LZ1)2 3 4
    Oil Pressure Sensor › Component Information › Locations › Rear and Right Side of Engine Components (except LZ1)2
    Oxygen Sensor › Component Information31 pages
    Locations › Heated Oxygen Sensor (HO2S) Bank 1 Sensor 12 3 4 5 6 7 8 9 10 11 12
    Diagrams › Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 12 3 4
    Service Precautions › Excessive Force and Oxygen Sensor Caution2 3 4
    Service and Repair › Heated Oxygen Sensor Replacement - Bank 1 Sensor 12 3 4 5 6 7 8 9 10 11
    Throttle Position Sensor › Component Information › Locations2
    Transmission Position Switch/Sensor, A/T › Component Information › Service and Repair › 2ML70 - Automatic Transmission2
    Vehicle Speed Sensor › Component Information3 pages
    Locations
    Service and Repair › MP 3010-NP0 - Transfer Case2
  - Sensors and Switches - Fuel Delivery and Air Induction10 pages
    Accelerator Pedal Position Sensor › Component Information › Service and Repair2
    Air Flow Meter/Sensor › Component Information › Locations2 3
    Fuel Pressure Sensor/Switch › Component Information › Service and Repair2 3
    Throttle Position Sensor › Component Information › Locations2
  - Sensors and Switches - Ignition System24 pages
    Camshaft Position Sensor › Component Information4 pages
    Locations › Front and Left Side of Engine Components (except LZ1)2
    Diagrams › Camshaft Position (CMP) Actuator Solenoid Valve2
    Crankshaft Position Sensor › Component Information › Locations2 3 4 5
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information5 pages
    Locations
    Service and Repair › Ignition Lock Cylinder Case Replacement2 3 4
    Knock Sensor › Component Information10 pages
    Locations › Knock Sensor (KS) 12 3 4
    Diagrams › Knock Sensor (KS) 12
    Service and Repair › Knock Sensor 1 Replacement2 3 4
- Tune-up and Engine Performance Checks24 pages
- Computers and Control Systems405 pages
  - Accelerator Pedal Position Sensor › Component Information › Service and Repair2
  - Air Flow Meter/Sensor › Component Information › Locations2 3
  - Intake Air Temperature Sensor › Component Information › Service and Repair
  - Barometric Pressure Sensor › Component Information › Diagrams
  - Battery Current Sensor › Component Information › Diagrams2 3
  - Body Control Module › Component Information22 pages
    Locations › Behind the Instrument Panel Components2
    Diagrams › Auxiliary Body Control Module (XBCM) X1 (EXP)2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
    Service and Repair › Auxiliary Body Control Module Replacement2 3
  - Camshaft Position Sensor › Component Information4 pages
    Locations › Front and Left Side of Engine Components (except LZ1)2
    Diagrams › Camshaft Position (CMP) Actuator Solenoid Valve2
  - Coolant Temperature Sensor/Switch (For Computer) › Component Information › Service and Repair2
  - Crankshaft Position Sensor › Component Information › Locations2 3 4 5
  - Data Link Connector › Component Information7 pages
    Locations › Component Locations2 3 4 5
    Diagrams › Data Link Connector (DLC)2
  - Electronic Throttle Actuator › Component Information › Description and Operation2
  - Engine Control Module › Component Information14 pages
    Technical Service Bulletins › Engine Controls - Aftermarket Accessory Usage2 3 4 5 6
    Locations › Front of the Engine Compartment Components2
    Diagrams › Engine Control Module (ECM) X12 3 4 5 6
  - Fuel Level Sensor › Component Information › Service and Repair
  - Fuel Pressure Sensor › Component Information › Diagrams
  - Fuel Tank Pressure Sensor › Component Information › Locations2 3 4
  - Information Bus › Component Information145 pages
    Specifications
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…130
    Testing and Inspection › Initial Inspection and Diagnostic Overview2 3 4 5 6 7 8 9 10 11 12 13 14
  - Knock Sensor › Component Information10 pages
    Locations › Knock Sensor (KS) 12 3 4
    Diagrams › Knock Sensor (KS) 12
    Service and Repair › Knock Sensor 1 Replacement2 3 4
  - Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5
  - Malfunction Indicator Lamp › Component Information › Testing and Inspection2
  - Manifold Pressure/Vacuum Sensor › Component Information › Locations › Top of Engine Components (except LZ1)2 3 4
  - Oil Pressure Sensor › Component Information › Locations › Rear and Right Side of Engine Components (except LZ1)2
  - Oxygen Sensor › Component Information31 pages
    Locations › Heated Oxygen Sensor (HO2S) Bank 1 Sensor 12 3 4 5 6 7 8 9 10 11 12
    Diagrams › Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 12 3 4
    Service Precautions › Excessive Force and Oxygen Sensor Caution2 3 4
    Service and Repair › Heated Oxygen Sensor Replacement - Bank 1 Sensor 12 3 4 5 6 7 8 9 10 11
  - Relays and Modules - Computers and Control Systems41 pages
    Body Control Module › Component Information22 pages
    Locations › Behind the Instrument Panel Components2
    Diagrams › Auxiliary Body Control Module (XBCM) X1 (EXP)2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
    Service and Repair › Auxiliary Body Control Module Replacement2 3
    Engine Control Module › Component Information14 pages
    Technical Service Bulletins › Engine Controls - Aftermarket Accessory Usage2 3 4 5 6
    Locations › Front of the Engine Compartment Components2
    Diagrams › Engine Control Module (ECM) X12 3 4 5 6
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5
  - Sensors and Switches - Computers and Control Systems81 pages
    Accelerator Pedal Position Sensor › Component Information › Service and Repair2
    Air Flow Meter/Sensor › Component Information › Locations2 3
    Barometric Pressure Sensor › Component Information › Diagrams
    Battery Current Sensor › Component Information › Diagrams2 3
    Camshaft Position Sensor › Component Information4 pages
    Locations › Front and Left Side of Engine Components (except LZ1)2
    Diagrams › Camshaft Position (CMP) Actuator Solenoid Valve2
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Service and Repair2
    Crankshaft Position Sensor › Component Information › Locations2 3 4 5
    Fuel Level Sensor › Component Information › Service and Repair
    Fuel Pressure Sensor › Component Information › Diagrams
    Fuel Tank Pressure Sensor › Component Information › Locations2 3 4
    Intake Air Temperature Sensor › Component Information › Service and Repair
    Knock Sensor › Component Information10 pages
    Locations › Knock Sensor (KS) 12 3 4
    Diagrams › Knock Sensor (KS) 12
    Service and Repair › Knock Sensor 1 Replacement2 3 4
    Manifold Pressure/Vacuum Sensor › Component Information › Locations › Top of Engine Components (except LZ1)2 3 4
    Oil Pressure Sensor › Component Information › Locations › Rear and Right Side of Engine Components (except LZ1)2
    Oxygen Sensor › Component Information31 pages
    Locations › Heated Oxygen Sensor (HO2S) Bank 1 Sensor 12 3 4 5 6 7 8 9 10 11 12
    Diagrams › Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 12 3 4
    Service Precautions › Excessive Force and Oxygen Sensor Caution2 3 4
    Service and Repair › Heated Oxygen Sensor Replacement - Bank 1 Sensor 12 3 4 5 6 7 8 9 10 11
    Throttle Position Sensor › Component Information › Locations2
    Transmission Position Switch/Sensor, A/T › Component Information › Service and Repair › 2ML70 - Automatic Transmission2
    Vehicle Speed Sensor › Component Information3 pages
    Locations
    Service and Repair › MP 3010-NP0 - Transfer Case2
  - Throttle Position Sensor › Component Information › Locations2
  - Transmission Position Switch/Sensor, A/T › Component Information › Service and Repair › 2ML70 - Automatic Transmission2
  - Valve Deactivation Solenoid › Component Information › Locations2 3 4
  - Variable Valve Timing Actuator › Component Information › Description and Operation
  - Vehicle Speed Sensor › Component Information3 pages
    Locations
    Service and Repair › MP 3010-NP0 - Transfer Case2
- Emission Control Systems35 pages
  - Catalytic Converter › Component Information3 pages
    Service Precautions
    Service and Repair › Catalytic Converter Replacement2
  - Evaporative Emissions System28 pages
    Canister Purge Solenoid › Component Information6 pages
    Locations › Evaporative Emissions (EVAP) Canister Purge Solenoid Valve2 3 4
    Diagrams › Evaporative Emissions (EVAP) Canister Purge Solenoid Valve2
    Evaporative Emission Control Canister › Canister Vent Valve › Component Information › Service and Repair2
    Evaporative Emissions Hose › Component Information › Service and Repair › Evaporative Emission Line Replacement - Engine2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
  - Positive Crankcase Ventilation4 pages
    PCV Valve Hose › Component Information › Service and Repair2 3
    Positive Crankcase Ventilation Valve › Component Information › Locations
- Fuel Delivery and Air Induction157 pages
  - Fuel Pressure › System Information6 pages
    Specifications2
    System Diagnosis › Fuel Pressure Gauge Installation and Removal2 3 4
  - Fuel Pressure Release › System Information › Service and Repair
  - Idle Speed › System Information › System Diagnosis
  - Accelerator Pedal Position Sensor › Component Information › Service and Repair2
  - Air Cleaner Housing4 pages
    Air Cleaner Fresh Air Duct/Hose › Component Information › Service and Repair › Air Cleaner Bracket Replacement2 3
    Air Filter Element › Component Information › Service and Repair
  - Air Flow Meter/Sensor › Component Information › Locations2 3
  - Fuel › Component Information7 pages
    Technical Service Bulletins › Fuel - GM's Position on Use of E 15 in 2007 Newer M.Y.2 3 4
    Testing and Inspection › Alcohol/Contaminants-in-Fuel Diagnosis2 3
  - Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
  - Fuel Injector › Component Information28 pages
    Locations › Top of Engine Components (except LZ1)2 3
    Diagrams › Fuel Injector 12 3 4 5 6 7 8 9 10 11 12
    Service and Repair › Procedures2 3 4 5 6 7 8 9 10 11 12 13
  - Fuel Line Coupler › Component Information › Service and Repair › Metal Collar Quick Connect Fitting Service2 3 4 5 6 7
  - Fuel Pressure Regulator › Component Information › Service and Repair2 3 4
  - Fuel Pressure Sensor/Switch › Component Information › Service and Repair2 3
  - Fuel Pump17 pages
    Fuel Pressure › System Information6 pages
    Specifications2
    System Diagnosis › Fuel Pressure Gauge Installation and Removal2 3 4
    Fuel Pump Control Unit › Component Information5 pages
    Locations
    Diagrams › Fuel Pump Flow Control Module (without JL1)2 3 4
    Fuel Pump Relay › Component Information › Locations2 3 4 5 6
  - Fuel Rail › Component Information › Service and Repair2 3 4 5 6 7 8 9 10 11
  - Fuel Supply Line › Component Information › Service and Repair › Fuel Hose/Pipe Assembly Replacement2 3 4 5 6 7
  - Fuel Tank11 pages
    Fuel Filler Hose › Component Information › Service and Repair2 3 4 5 6 7
    Fuel Gauge Sender › Component Information › Service and Repair2 3 4
  - Fuel Tank Unit › Component Information5 pages
    Locations › Fuel Pump and Sender Assembly - Front2 3
    Diagrams › Fuel Pump and Sender Assembly - Front2
  - Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5
  - Relays and Modules - Fuel Delivery and Air Induction16 pages
    Fuel Pump Control Unit › Component Information5 pages
    Locations
    Diagrams › Fuel Pump Flow Control Module (without JL1)2 3 4
    Fuel Pump Relay › Component Information › Locations2 3 4 5 6
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4 5
  - Sensors and Switches - Fuel Delivery and Air Induction10 pages
    Accelerator Pedal Position Sensor › Component Information › Service and Repair2
    Air Flow Meter/Sensor › Component Information › Locations2 3
    Fuel Pressure Sensor/Switch › Component Information › Service and Repair2 3
    Throttle Position Sensor › Component Information › Locations2
  - Throttle Body › Component Information6 pages
    Locations › Front and Left Side of Engine Components (except LZ1)2
    Service and Repair › Procedures2 3 4
  - Throttle Position Sensor › Component Information › Locations2
- Ignition System58 pages
  - Firing Order › Component Information › Specifications
  - Camshaft Position Sensor › Component Information4 pages
    Locations › Front and Left Side of Engine Components (except LZ1)2
    Diagrams › Camshaft Position (CMP) Actuator Solenoid Valve2
  - Crankshaft Position Sensor › Component Information › Locations2 3 4 5
  - Ignition Cable › Component Information › Testing and Inspection2 3
  - Ignition Coil › Component Information › Testing and Inspection2 3 4 5
  - Knock Sensor › Component Information10 pages
    Locations › Knock Sensor (KS) 12 3 4
    Diagrams › Knock Sensor (KS) 12
    Service and Repair › Knock Sensor 1 Replacement2 3 4
  - Sensors and Switches - Ignition System24 pages
    Camshaft Position Sensor › Component Information4 pages
    Locations › Front and Left Side of Engine Components (except LZ1)2
    Diagrams › Camshaft Position (CMP) Actuator Solenoid Valve2
    Crankshaft Position Sensor › Component Information › Locations2 3 4 5
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information5 pages
    Locations
    Service and Repair › Ignition Lock Cylinder Case Replacement2 3 4
    Knock Sensor › Component Information10 pages
    Locations › Knock Sensor (KS) 12 3 4
    Diagrams › Knock Sensor (KS) 12
    Service and Repair › Knock Sensor 1 Replacement2 3 4
  - Spark Plug › Component Information › Specifications2 3 4 5 6
- Transmission Control Systems51 pages
  - Actuators and Solenoids - Transmission and Drivetrain19 pages
    Actuators and Solenoids - A/T11 pages
    Shift Interlock Solenoid › Component Information › Locations2 3 4
    Shift Solenoid, A/T › Component Information7 pages
    Specifications › 2ML70 - Automatic Transmission2
    Locations › Transmission Interior Components (MYC or MYD)2
    Diagrams › Control Solenoid Valve Assembly X1 (MYC, MYD or M99)2 3
    Actuators and Solenoids - Differential › Actuator, Differential Lock › Component Information › Service and Repair2
    Actuators and Solenoids - Transfer Case › Transfer Case Actuator › Component Information6 pages
    Locations › Transfer Case Encoder Motor2 3
    Diagrams › Front Drive Axle Actuator (NQH or NP0)2 3
  - Relays and Modules - Transmission and Drivetrain15 pages
    Relays and Modules - A/T › Control Module, A/T › Component Information10 pages
    Locations › Rear of Engine Components (LZ1)2
    Service and Repair › Auxiliary Fluid Pump Control Module Replacement2 3 4 5 6 7 8
    Relays and Modules - Transfer Case › Control Module, Transfer Case › Component Information5 pages
    Locations
    Diagrams › Transfer Case Shift Control Module X1 (NQH or NP0)2 3 4
  - Sensors and Switches - Transmission and Drivetrain17 pages
    Sensors and Switches - A/T12 pages
    Fluid Pressure Sensor/Switch, A/T › Component Information › Specifications
    Transmission Mode Switch, A/T › Component Information › Locations › Automatic Transmission Internal Mode Switch (IMS)2 3
    Transmission Position Switch/Sensor, A/T › Component Information › Service and Repair › 2ML70 - Automatic Transmission2
    Transmission Speed Sensor, A/T › Component Information6 pages
    Locations › Automatic Transmission Output Shaft Speed (OSS) Sensor2 3 4
    Service and Repair › 2ML70 - Automatic Transmission2
    Sensors and Switches - Transfer Case › Gear Sensor/Switch, Transfer Case › Component Information › Locations › Transfer Case Shift Control Switch (NQH)2 3 4 5
- PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins › Engine/Transmission - Aftermarket Calibrations2 3 4
07Transmission and Drivetrain Transmission and Drivetrain: Sections
08Brakes and Traction Control Brakes and Traction Control: Sections
09Starting and Charging Starting and Charging: Sections
10Power and Ground Distribution Power and Ground Distribution: Sections
11Steering and Suspension Steering and Suspension: Sections
12Heating and Air Conditioning Heating and Air Conditioning: Sections
13Restraint Systems Restraint Systems: Sections
14Accessories and Optional Equipment Accessories and Optional Equipment: Sections
15Body and Frame Body and Frame: Sections
16Cruise Control Cruise Control: Sections
17Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
18Lighting and Horns Lighting and Horns: Sections
19Windows and Glass Windows and Glass: Sections
20Wiper and Washer Systems Wiper and Washer Systems: Sections