TrailBlazer 2WD V8-6.0L (2009): Powertrain Management

Also for this vehicle: TrailBlazer 2WD L6-4.2L VIN S (2003), TrailBlazer 2WD V8-5.3L (2007), TrailBlazer 2WD V8-6.0L VIN H (2006), TrailBlazer 4WD L6-4.2L (2007), TrailBlazer 4WD L6-4.2L VIN S (2002), TrailBlazer 4WD V8-5.3L VIN M (2006), TrailBlazer 4WD V8-6.0L (2007).

Diagnostics Maintenance Engine 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
05Powertrain Management Powertrain Management: Sections
- Relays and Modules - Powertrain Management30 pages
  - Relays and Modules - Computers and Control Systems24 pages
    Body Control Module › Component Information10 pages
    Locations › Harness Routing Views2 3
    Service and Repair › Procedures2 3 4 5 6 7
    Engine Control Module › Component Information › Technical Service Bulletins › Engine Controls - Aftermarket Accessory Usage2 3 4 5 6 7 8 9 10
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4
  - Relays and Modules - Emission Control Systems › Air Injection Pump Relay › Component Information › Diagrams
  - Relays and Modules - Fuel Delivery and Air Induction5 pages
    Fuel Pump Relay › Component Information › Locations
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4
- Sensors and Switches - Powertrain Management114 pages
  - Sensors and Switches - Computers and Control Systems83 pages
    Accelerator Pedal Position Sensor › Component Information › Locations2 3 4 5
    Air Flow Meter/Sensor › Component Information › Locations › Harness Routing Views2 3
    Battery Current Sensor › Component Information › Locations
    Camshaft Position Sensor › Component Information › Locations › Harness Routing Views2 3
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Technical Service Bulletins10 pages
    Customer Interest for Coolant Temperature Sensor/Switch (For Computer): › 10-06-04-008A › Jan › 11 › Engine - MIL ON P0116/P1400 Set In Very Cold Temps2 3 4 5
    All Technical Service Bulletins for Coolant Temperature Sensor/Switch (For Computer): › 10-06-04-008A › Jan › 11 › Engine - MIL ON P0116/P1400 Set In Very Cold Temps2 3 4 5
    Crankshaft Position Sensor › Component Information6 pages
    Locations › Harness Routing Views2 3
    Service and Repair › Crankshaft Position Sensor Replacement2 3
    Fuel Level Sensor › Component Information › Service and Repair › Fuel Level Sensor Replacement2 3 4 5 6 7
    Fuel Tank Pressure Sensor › Component Information › Locations2 3 4
    Intake Air Temperature Sensor › Component Information › Locations › Harness Routing Views2 3
    Knock Sensor › Component Information9 pages
    Locations › Harness Routing Views2 3 4 5
    Service and Repair › Knock Sensor Replacement (Left Side)2 3 4
    Manifold Pressure/Vacuum Sensor › Component Information › Locations › Harness Routing Views2 3
    Oil Pressure Sensor › Component Information › Locations › Harness Routing Views2 3
    Oxygen Sensor › Component Information16 pages
    Locations › Harness Routing Views2 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
    Transmission Position Switch/Sensor, A/T › Component Information7 pages
    Locations › Harness Routing Views2 3
    Service and Repair › Park/Neutral Position Switch Replacement2 3 4
    Vehicle Speed Sensor › Component Information › Locations › Harness Routing Views2 3
  - Sensors and Switches - Fuel Delivery and Air Induction8 pages
    Accelerator Pedal Position Sensor › Component Information › Locations2 3 4 5
    Air Flow Meter/Sensor › Component Information › Locations › Harness Routing Views2 3
  - Sensors and Switches - Ignition System23 pages
    Camshaft Position Sensor › Component Information › Locations › Harness Routing Views2 3
    Crankshaft Position Sensor › Component Information6 pages
    Locations › Harness Routing Views2 3
    Service and Repair › Crankshaft Position Sensor Replacement2 3
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information5 pages
    Diagrams
    Service and Repair › Procedures2 3 4
    Knock Sensor › Component Information9 pages
    Locations › Harness Routing Views2 3 4 5
    Service and Repair › Knock Sensor Replacement (Left Side)2 3 4
- Tune-up and Engine Performance Checks27 pages
- Computers and Control Systems412 pages
  - Accelerator Pedal Position Sensor › Component Information › Locations2 3 4 5
  - Air Flow Meter/Sensor › Component Information › Locations › Harness Routing Views2 3
  - Intake Air Temperature Sensor › Component Information › Locations › Harness Routing Views2 3
  - Battery Current Sensor › Component Information › Locations
  - Body Control Module › Component Information10 pages
    Locations › Harness Routing Views2 3
    Service and Repair › Procedures2 3 4 5 6 7
  - Camshaft Position Sensor › Component Information › Locations › Harness Routing Views2 3
  - Coolant Temperature Sensor/Switch (For Computer) › Component Information › Technical Service Bulletins10 pages
    Customer Interest for Coolant Temperature Sensor/Switch (For Computer): › 10-06-04-008A › Jan › 11 › Engine - MIL ON P0116/P1400 Set In Very Cold Temps2 3 4 5
    All Technical Service Bulletins for Coolant Temperature Sensor/Switch (For Computer): › 10-06-04-008A › Jan › 11 › Engine - MIL ON P0116/P1400 Set In Very Cold Temps2 3 4 5
  - Crankshaft Position Sensor › Component Information6 pages
    Locations › Harness Routing Views2 3
    Service and Repair › Crankshaft Position Sensor Replacement2 3
  - Data Link Connector › Component Information › Locations › Harness Routing Views2 3
  - Electronic Throttle Actuator › Component Information › Description and Operation2
  - Engine Control Module › Component Information › Technical Service Bulletins › Engine Controls - Aftermarket Accessory Usage2 3 4 5 6 7 8 9 10
  - Fuel Level Sensor › Component Information › Service and Repair › Fuel Level Sensor Replacement2 3 4 5 6 7
  - Fuel Tank Pressure Sensor › Component Information › Locations2 3 4
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Service Precautions
  - Information Bus › Component Information185 pages
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…176
    Testing and Inspection › Initial Inspection and Diagnostic Overview2 3 4 5 6 7 8 9
  - Knock Sensor › Component Information9 pages
    Locations › Harness Routing Views2 3 4 5
    Service and Repair › Knock Sensor Replacement (Left Side)2 3 4
  - Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4
  - Malfunction Indicator Lamp › Component Information › Testing and Inspection2
  - Manifold Pressure/Vacuum Sensor › Component Information › Locations › Harness Routing Views2 3
  - Oil Pressure Sensor › Component Information › Locations › Harness Routing Views2 3
  - Oxygen Sensor › Component Information16 pages
    Locations › Harness Routing Views2 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
  - Relays and Modules - Computers and Control Systems24 pages
    Body Control Module › Component Information10 pages
    Locations › Harness Routing Views2 3
    Service and Repair › Procedures2 3 4 5 6 7
    Engine Control Module › Component Information › Technical Service Bulletins › Engine Controls - Aftermarket Accessory Usage2 3 4 5 6 7 8 9 10
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4
  - Sensors and Switches - Computers and Control Systems83 pages
    Accelerator Pedal Position Sensor › Component Information › Locations2 3 4 5
    Air Flow Meter/Sensor › Component Information › Locations › Harness Routing Views2 3
    Battery Current Sensor › Component Information › Locations
    Camshaft Position Sensor › Component Information › Locations › Harness Routing Views2 3
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Technical Service Bulletins10 pages
    Customer Interest for Coolant Temperature Sensor/Switch (For Computer): › 10-06-04-008A › Jan › 11 › Engine - MIL ON P0116/P1400 Set In Very Cold Temps2 3 4 5
    All Technical Service Bulletins for Coolant Temperature Sensor/Switch (For Computer): › 10-06-04-008A › Jan › 11 › Engine - MIL ON P0116/P1400 Set In Very Cold Temps2 3 4 5
    Crankshaft Position Sensor › Component Information6 pages
    Locations › Harness Routing Views2 3
    Service and Repair › Crankshaft Position Sensor Replacement2 3
    Fuel Level Sensor › Component Information › Service and Repair › Fuel Level Sensor Replacement2 3 4 5 6 7
    Fuel Tank Pressure Sensor › Component Information › Locations2 3 4
    Intake Air Temperature Sensor › Component Information › Locations › Harness Routing Views2 3
    Knock Sensor › Component Information9 pages
    Locations › Harness Routing Views2 3 4 5
    Service and Repair › Knock Sensor Replacement (Left Side)2 3 4
    Manifold Pressure/Vacuum Sensor › Component Information › Locations › Harness Routing Views2 3
    Oil Pressure Sensor › Component Information › Locations › Harness Routing Views2 3
    Oxygen Sensor › Component Information16 pages
    Locations › Harness Routing Views2 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
    Transmission Position Switch/Sensor, A/T › Component Information7 pages
    Locations › Harness Routing Views2 3
    Service and Repair › Park/Neutral Position Switch Replacement2 3 4
    Vehicle Speed Sensor › Component Information › Locations › Harness Routing Views2 3
  - Transmission Position Switch/Sensor, A/T › Component Information7 pages
    Locations › Harness Routing Views2 3
    Service and Repair › Park/Neutral Position Switch Replacement2 3 4
  - Valve Deactivation Solenoid › Component Information › Diagrams2 3 4
  - Variable Valve Timing Solenoid › Component Information › Locations
  - Vehicle Speed Sensor › Component Information › Locations › Harness Routing Views2 3
- Emission Control Systems25 pages
- Fuel Delivery and Air Induction135 pages
  - Fuel Pressure › System Information › Specifications2 3 4
  - Fuel Pressure Release › System Information › Service and Repair › Fuel Pressure Relief2 3 4 5
  - Idle Speed › System Information › Specifications
  - Accelerator Pedal Position Sensor › Component Information › Locations2 3 4 5
  - Air Cleaner Housing5 pages
    Air Cleaner Fresh Air Duct/Hose › Component Information › Service and Repair2
    Air Filter Element › Component Information › Service and Repair2 3
  - Air Flow Meter/Sensor › Component Information › Locations › Harness Routing Views2 3
  - Fuel › Component Information8 pages
    Technical Service Bulletins › Fuel - GM's Position on Use of E 15 in 2007 Newer M.Y.2 3 4 5 6
    Testing and Inspection › Alcohol/Contaminants-in-Fuel Diagnosis (without Special Tool)2
  - Fuel Filter › Fuel Pressure Release › System Information › Service and Repair › Fuel Pressure Relief2 3 4 5
  - Fuel Injector › Component Information23 pages
    Technical Service Bulletins12 pages
    Customer Interest: › 03-06-04-030G › Apr › 09 › Fuel System - Driveability Issues/MIL/Multiple DTC's2 3 4 5
    All Technical Service Bulletins for Fuel Injector:6 pages
    03-06-04-030G › Apr › 09 › Fuel System - Driveability Issues/MIL/Multiple DTC's2 3 4 5
    08-06-04-052 › Nov › 08 › Fuel System - Multec 3.5 Fuel Injector Replacement
    All Other Service Bulletins for Fuel Injector: › 08-06-04-052 › Nov › 08 › Fuel System - Multec 3.5 Fuel Injector Replacement
    Specifications › Electrical Specifications2
    Testing and Inspection › Fuel Injector Diagnosis (w/CH47976)2 3 4 5
    Service and Repair › Procedures2 3 4
  - Fuel Line Coupler › Component Information › Service and Repair › Metal Collar Quick Connect Fitting Service2 3 4 5 6 7
  - Fuel Pump5 pages
    Fuel Pressure › System Information › Specifications2 3 4
    Fuel Pump Relay › Component Information › Locations
  - Fuel Rail › Component Information › Service and Repair2 3 4 5 6 7 8 9 10 11
  - Fuel Return Line › Component Information › Service and Repair2 3 4 5 6 7 8
  - Fuel Supply Line › Component Information › Service and Repair2 3 4 5 6 7 8
  - Fuel Tank6 pages
    Fuel Gauge Sender › Component Information › Service and Repair2 3 4
    Fuel Tank Shield › Component Information › Service and Repair2
  - Fuel Tank Unit › Component Information › Diagrams2 3 4 5
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Service Precautions
  - Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4
  - Relays and Modules - Fuel Delivery and Air Induction5 pages
    Fuel Pump Relay › Component Information › Locations
    Main Relay (Computer/Fuel System) › Component Information › Locations2 3 4
  - Sensors and Switches - Fuel Delivery and Air Induction8 pages
    Accelerator Pedal Position Sensor › Component Information › Locations2 3 4 5
    Air Flow Meter/Sensor › Component Information › Locations › Harness Routing Views2 3
  - Throttle Body › Component Information8 pages
    Diagrams
    Service and Repair › Procedures2 3 4 5 6 7
- Ignition System56 pages
  - Firing Order › Component Information › Specifications
  - Camshaft Position Sensor › Component Information › Locations › Harness Routing Views2 3
  - Crankshaft Position Sensor › Component Information6 pages
    Locations › Harness Routing Views2 3
    Service and Repair › Crankshaft Position Sensor Replacement2 3
  - Ignition Cable › Component Information › Testing and Inspection2
  - Ignition Coil › Component Information › Technical Service Bulletins6 pages
    Customer Interest for Ignition Coil: › 09-06-04-025A › Dec › 10 › Ignition System - Runs Rough MIL/ON DTC P0300/P03062 3
    All Technical Service Bulletins for Ignition Coil: › 09-06-04-025A › Dec › 10 › Ignition System - Runs Rough MIL/ON DTC P0300/P03062 3
  - Knock Sensor › Component Information9 pages
    Locations › Harness Routing Views2 3 4 5
    Service and Repair › Knock Sensor Replacement (Left Side)2 3 4
  - Sensors and Switches - Ignition System23 pages
    Camshaft Position Sensor › Component Information › Locations › Harness Routing Views2 3
    Crankshaft Position Sensor › Component Information6 pages
    Locations › Harness Routing Views2 3
    Service and Repair › Crankshaft Position Sensor Replacement2 3
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information5 pages
    Diagrams
    Service and Repair › Procedures2 3 4
    Knock Sensor › Component Information9 pages
    Locations › Harness Routing Views2 3 4 5
    Service and Repair › Knock Sensor Replacement (Left Side)2 3 4
  - Spark Plug › Component Information › Technical Service Bulletins6 pages
    Customer Interest for Spark Plug: › 09-06-04-025A › Dec › 10 › Ignition System - Runs Rough MIL/ON DTC P0300/P03062 3
    All Technical Service Bulletins for Spark Plug: › 09-06-04-025A › Dec › 10 › Ignition System - Runs Rough MIL/ON DTC P0300/P03062 3
- Transmission Control Systems371 pages
  - Actuators and Solenoids - Transmission and Drivetrain356 pages
    Actuators and Solenoids - A/T355 pages
    Shift Interlock Solenoid › Component Information › Diagrams2 3 4
    Shift Solenoid, A/T › Component Information177 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…176
    Torque Converter Clutch Solenoid, A/T › Component Information174 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…173
    Actuators and Solenoids - Differential › Actuator, Differential Lock › Component Information › Service and Repair
  - Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T5 pages
    Control Module, A/T › Component Information › Locations2 3 4
    Transmission Control System Relay, A/T › Component Information › Locations
  - Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T10 pages
    Fluid Pressure Sensor/Switch, A/T › Component Information › Locations
    Transmission Position Switch/Sensor, A/T › Component Information7 pages
    Locations › Harness Routing Views2 3
    Service and Repair › Park/Neutral Position Switch Replacement2 3 4
    Transmission Speed Sensor, A/T › Component Information › Locations
    Transmission Temperature Sensor/Switch, A/T › Component Information › Specifications
- PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins › Engine/Transmission - Aftermarket Calibrations2 3 4 5 6 7 8
06Transmission and Drivetrain Transmission and Drivetrain: Sections
07Brakes and Traction Control Brakes and Traction Control: Sections
08Starting and Charging Starting and Charging: Sections
09Power and Ground Distribution Power and Ground Distribution: Sections
10Steering and Suspension Steering and Suspension: Sections
11Heating and Air Conditioning Heating and Air Conditioning: Sections
12Restraint Systems Restraint Systems: Sections
13Accessories and Optional Equipment Accessories and Optional Equipment: Sections
14Body and Frame Body and Frame: Sections
15Cruise Control Cruise Control: Sections
16Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
17Lighting and Horns Lighting and Horns: Sections
18Windows and Glass Windows and Glass: Sections
19Wiper and Washer Systems Wiper and Washer Systems: Sections