Repair and Diagnosis

You are viewing the "split tree" of links. The tree is cut off at a certain depth to keep the page loading fast, but you may have to click multiple links to get to the content you want.
View "full tree" with all links on one page (will load slowly, but easier to use ctrl-f to search all pages)

Expand All (for easy ctrl-f) Collapse All

• Quick Lookups
  • Common Specs & Procedures
  • DTC Index
  • Electrical Component Locations
    • Electrical Component Locator And Wiring Harness Routing Views
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • Component Connector End Views - Index
    • Component Connector End Views (A3L-B26 (LGX))
    • Component Connector End Views (B26 (LSY) - B306A)
    • Component Connector End Views (B306C-K9 (X1))
    • Component Connector End Views (K171-P16)
    • Component Connector End Views (K20-K40)
    • Component Connector End Views (K43-K160)
    • Component Connector End Views (K9 (X2)-K20)
    • Component Connector End Views (P17-S32D)
    • Component Connector End Views (S32P-T8B (LGX))
    • Component Connector End Views (T8B (LSY)-X92RA)
    • Inline Harness Connector End Views - Index
    • Inline Harness Connector End Views (X101-X116)
    • Inline Harness Connector End Views (X120-X200)
    • Inline Harness Connector End Views (X201-X308)
    • Inline Harness Connector End Views (X310-X407)
    • Inline Harness Connector End Views (X409-X600)
    • Inline Harness Connector End Views (X605-X920)
    • Splice Pack Connector End Views
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
    • Wiring Systems And Power Management - Schematic Wiring Diagrams
• Accessories & Equipment
  • Accessories Control Systems
    • Active Noise Cancellation System
  • Anti-Theft Systems
    • Immobilizer System
    • Keyless Entry System And Remote Functions
    • Power Door Locks And Vehicle Access System - Description And Operation
    • Power Door Locks And Vehicle Access System - Diagnostic Information And Procedures
    • Power Door Locks And Vehicle Access System - Repair Instructions
    • Power Door Locks And Vehicle Access System - Schematic Wiring Diagrams
    • Power Door Locks And Vehicle Access System - Specifications
    • Theft Deterrent System
  • Body Interior
    • Power Door Locks And Vehicle Access System - Description And Operation
    • Power Door Locks And Vehicle Access System - Diagnostic Information And Procedures
    • Power Door Locks And Vehicle Access System - Repair Instructions
    • Power Door Locks And Vehicle Access System - Schematic Wiring Diagrams
    • Power Door Locks And Vehicle Access System - Specifications
    • Secondary And Configurable Customer Controls
  • Collision/Avoidance
    • Driver Assistance Systems
    • Image Display Cameras
    • Parking Assistance Systems
  • Communication Devices
    • Data Communications - Data Link Communications - Description And Operation
    • Data Communications - Diagnostic Information And Procedures (1 Of 2)
    • Data Communications - Diagnostic Information And Procedures (2 Of 2)
    • Data Communications - Repair Instructions
    • Data Communications - Schematic Wiring Diagrams
    • Programming And Setup - All Systems
  • Cruise Control Systems
  • Drivers Assistance Systems - ADAS
    • Driver Assistance Systems
    • Image Display Cameras
    • Parking Assistance Systems
  • Entertainment Systems
    • Active Noise Cancellation System
    • Cellular, Entertainment, And Navigation - Description And Operation
    • Cellular, Entertainment, And Navigation - Diagnostic Information And Procedures
    • Cellular, Entertainment, And Navigation - Fastener Specifications
    • Cellular, Entertainment, And Navigation - Repair Instructions
    • Cellular, Entertainment, And Navigation - Schematic Wiring Diagrams
    • Cellular, Entertainment, And Navigation - Special Tools And Equipment
  • Exterior Lights
    • Lighting System - Description And Operation
    • Lighting System - Diagnostic Information And Procedures
    • Lighting System - Fastener Specifications
    • Lighting System - Repair Instructions
    • Lighting System - Schematic Wiring Diagrams
  • Gauges & Instrument Panels
    • Instrument Panel Trim And Console Trim
    • Instrument Panel, Displays And Gauges
  • Headlights
    • Lighting System - Description And Operation
    • Lighting System - Diagnostic Information And Procedures
    • Lighting System - Fastener Specifications
    • Lighting System - Repair Instructions
    • Lighting System - Schematic Wiring Diagrams
  • Heated Glass/Defoggers
    • Fixed And MOVEABLE Windows
  • Horns
    • Horn System
  • Ignition Switch/Steering Lock
    • Immobilizer System
  • Infotainment
    • Active Noise Cancellation System
    • Cellular, Entertainment, And Navigation - Description And Operation
    • Cellular, Entertainment, And Navigation - Diagnostic Information And Procedures
    • Cellular, Entertainment, And Navigation - Fastener Specifications
    • Cellular, Entertainment, And Navigation - Repair Instructions
    • Cellular, Entertainment, And Navigation - Schematic Wiring Diagrams
    • Cellular, Entertainment, And Navigation - Special Tools And Equipment
  • Interior/Exterior Trim
    • Exterior Trim
    • Floor Coverings And HEADLININGS
    • Instrument Panel Trim And Console Trim
    • Interior Trim And Interior Paneling
    • Luggage Rack And Roof Trim
    • Seat Hardware, Seat Trim, And Upholstery
  • Interior/Illumination Lights
    • Lighting System - Description And Operation
    • Lighting System - Diagnostic Information And Procedures
    • Lighting System - Fastener Specifications
    • Lighting System - Repair Instructions
    • Lighting System - Schematic Wiring Diagrams
  • Mirrors
  • Seats
    • Power Seats
    • Seat Hardware, Seat Trim, And Upholstery
    • Seat Heating System And Seat Cooling System
  • Steering Column Switches
    • Secondary And Configurable Customer Controls
  • Warning Systems
    • Parking Assistance Systems
    • Tire Pressure Monitoring System
  • Window Motors & Regulators
    • Fixed And MOVEABLE Windows
  • Wiper/Washer Systems
    • Wiper System And Washer System
• Body & Frame
  • Body, Cab Control Systems
    • Power Door Locks And Vehicle Access System - Description And Operation
    • Power Door Locks And Vehicle Access System - Diagnostic Information And Procedures
    • Power Door Locks And Vehicle Access System - Repair Instructions
    • Power Door Locks And Vehicle Access System - Schematic Wiring Diagrams
    • Power Door Locks And Vehicle Access System - Specifications
    • Secondary And Configurable Customer Controls
  • Door Locks
    • Immobilizer System
    • Keyless Entry System And Remote Functions
    • Power Door Locks And Vehicle Access System - Description And Operation
    • Power Door Locks And Vehicle Access System - Diagnostic Information And Procedures
    • Power Door Locks And Vehicle Access System - Repair Instructions
    • Power Door Locks And Vehicle Access System - Schematic Wiring Diagrams
    • Power Door Locks And Vehicle Access System - Specifications
    • Theft Deterrent System
  • Exterior Body Panels
    • Air/Wind Noise
    • Bolted Exterior Body Panels And Closures
    • Bumpers And Fascias
    • Squeaks And Rattles
    • Water Leaks
  • Exterior/Interior Trim
    • Exterior Trim
    • Floor Coverings And HEADLININGS
    • Instrument Panel Trim And Console Trim
    • Interior Trim And Interior Paneling
    • Luggage Rack And Roof Trim
    • Seat Hardware, Seat Trim, And Upholstery
  • Frames, Subframes & Crossmembers
    • Frame And Underbody
  • Ignition Switch/Steering Lock
    • Immobilizer System
  • Mirrors
  • Seats
    • Power Seats
    • Seat Hardware, Seat Trim, And Upholstery
    • Seat Heating System And Seat Cooling System
  • Sun Roof/T-Top/Convertible Top
    • Sunroof
  • Towing Systems
    • TRAILERING Systems
  • Fixed And MOVEABLE Windows
• Brakes
  • Anti-Lock Brakes
    • Antilock Brake System
  • Mechanical - Hydraulic
    • Disc Brakes
    • Hydraulic Brakes
  • Parking Brake System
    • Park Brake
  • Traction Control
    • Antilock Brake System
• Collision
  • Sealing & Corrosion Protection
    • Water Leaks
• Drivelines & Axles
  • Axle Shafts
    • Wheel Drive Shafts
  • Differentials & Drive Axles
    • Rear Drive Axle
  • Driveshaft & Universal Joints
    • Propeller Shaft
• Electrical
  • Body Electrical
    • Component Connector End Views - Index
    • Component Connector End Views (A3L-B26 (LGX))
    • Component Connector End Views (B26 (LSY) - B306A)
    • Component Connector End Views (B306C-K9 (X1))
    • Component Connector End Views (K171-P16)
    • Component Connector End Views (K20-K40)
    • Component Connector End Views (K43-K160)
    • Component Connector End Views (K9 (X2)-K20)
    • Component Connector End Views (P17-S32D)
    • Component Connector End Views (S32P-T8B (LGX))
    • Component Connector End Views (T8B (LSY)-X92RA)
    • Electrical Center Identification Views (1 Of 2)
    • Electrical Center Identification Views (2 Of 2)
    • Electrical Component Locator And Wiring Harness Routing Views
    • Inline Harness Connector End Views - Index
    • Inline Harness Connector End Views (X101-X116)
    • Inline Harness Connector End Views (X120-X200)
    • Inline Harness Connector End Views (X201-X308)
    • Inline Harness Connector End Views (X310-X407)
    • Inline Harness Connector End Views (X409-X600)
    • Inline Harness Connector End Views (X605-X920)
    • Master Electrical Component List
    • Power Outlets
    • Splice Pack Connector End Views
    • Wire And Connector Repair
    • Wiring Systems And Power Management - Description And Operation
    • Wiring Systems And Power Management - Diagnostic Information And Procedures
    • Wiring Systems And Power Management - Fastener Specifications
    • Wiring Systems And Power Management - Repair Instructions
    • Wiring Systems And Power Management - Schematic Wiring Diagrams
    • Wiring Systems And Power Management - Special Tools And Equipment
  • Charging Systems
    • Battery, Starting System And Charging System - Description And Operation
    • Battery, Starting System And Charging System - Diagnostic Information And Procedures (1 Of 2)
    • Battery, Starting System And Charging System - Diagnostic Information And Procedures (2 Of 2)
    • Battery, Starting System And Charging System - Repair Instructions
    • Battery, Starting System And Charging System - Schematic Wiring Diagrams
    • Battery, Starting System And Charging System - Special Tools And Equipment
    • Battery, Starting System And Charging System - Specifications
  • Component Locations
    • Electrical Component Locator And Wiring Harness Routing Views
  • Fuses & Circuit Breakers
    • Electrical Center Identification Views (1 Of 2)
    • Electrical Center Identification Views (2 Of 2)
    • Electrical Component Locator And Wiring Harness Routing Views
  • Gauges
    • Instrument Panel Trim And Console Trim
    • Instrument Panel, Displays And Gauges
  • Horns
    • Horn System
  • Motors, Switches, Relays
    • Component Connector End Views - Index
    • Component Connector End Views (A3L-B26 (LGX))
    • Component Connector End Views (B26 (LSY) - B306A)
    • Component Connector End Views (B306C-K9 (X1))
    • Component Connector End Views (K171-P16)
    • Component Connector End Views (K20-K40)
    • Component Connector End Views (K43-K160)
    • Component Connector End Views (K9 (X2)-K20)
    • Component Connector End Views (P17-S32D)
    • Component Connector End Views (S32P-T8B (LGX))
    • Component Connector End Views (T8B (LSY)-X92RA)
    • Electrical Center Identification Views (1 Of 2)
    • Electrical Center Identification Views (2 Of 2)
    • Electrical Component Locator And Wiring Harness Routing Views
    • Inline Harness Connector End Views - Index
    • Inline Harness Connector End Views (X101-X116)
    • Inline Harness Connector End Views (X120-X200)
    • Inline Harness Connector End Views (X201-X308)
    • Inline Harness Connector End Views (X310-X407)
    • Inline Harness Connector End Views (X409-X600)
    • Inline Harness Connector End Views (X605-X920)
    • Master Electrical Component List
    • Power Outlets
    • Splice Pack Connector End Views
    • Wire And Connector Repair
    • Wiring Systems And Power Management - Description And Operation
    • Wiring Systems And Power Management - Diagnostic Information And Procedures
    • Wiring Systems And Power Management - Fastener Specifications
    • Wiring Systems And Power Management - Repair Instructions
    • Wiring Systems And Power Management - Schematic Wiring Diagrams
    • Wiring Systems And Power Management - Special Tools And Equipment
  • Starter
    • Battery, Starting System And Charging System - Description And Operation
    • Battery, Starting System And Charging System - Diagnostic Information And Procedures (1 Of 2)
    • Battery, Starting System And Charging System - Diagnostic Information And Procedures (2 Of 2)
    • Battery, Starting System And Charging System - Repair Instructions
    • Battery, Starting System And Charging System - Schematic Wiring Diagrams
    • Battery, Starting System And Charging System - Special Tools And Equipment
    • Battery, Starting System And Charging System - Specifications
  • Wiring Diagrams
    • Component Connector End Views - Index
    • Component Connector End Views (A3L-B26 (LGX))
    • Component Connector End Views (B26 (LSY) - B306A)
    • Component Connector End Views (B306C-K9 (X1))
    • Component Connector End Views (K171-P16)
    • Component Connector End Views (K20-K40)
    • Component Connector End Views (K43-K160)
    • Component Connector End Views (K9 (X2)-K20)
    • Component Connector End Views (P17-S32D)
    • Component Connector End Views (S32P-T8B (LGX))
    • Component Connector End Views (T8B (LSY)-X92RA)
    • Inline Harness Connector End Views - Index
    • Inline Harness Connector End Views (X101-X116)
    • Inline Harness Connector End Views (X120-X200)
    • Inline Harness Connector End Views (X201-X308)
    • Inline Harness Connector End Views (X310-X407)
    • Inline Harness Connector End Views (X409-X600)
    • Inline Harness Connector End Views (X605-X920)
    • Splice Pack Connector End Views
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
    • Wiring Systems And Power Management - Schematic Wiring Diagrams
• Engine Mechanical
  • Cooling System (Mechanical)
    • Engine Heating System And Cooling System
  • Exhaust System
  • Lubrication System
    • Maintenance And Lubrication
  • Mechanical
    • Engine Mechanical - 2.0L (LSY) - Description And Operation
    • Engine Mechanical - 2.0L (LSY) - Diagnostic Information And Procedures
    • Engine Mechanical - 2.0L (LSY) - Repair Instructions
    • Engine Mechanical - 2.0L (LSY) - Schematic Wiring Diagrams
    • Engine Mechanical - 2.0L (LSY) - Special Tools And Equipment
    • Engine Mechanical - 2.0L (LSY) - Specifications
    • Engine Mechanical - 2.0L (LSY) - Visual Identification
  • Starter
    • Battery, Starting System And Charging System - Description And Operation
    • Battery, Starting System And Charging System - Diagnostic Information And Procedures (1 Of 2)
    • Battery, Starting System And Charging System - Diagnostic Information And Procedures (2 Of 2)
    • Battery, Starting System And Charging System - Repair Instructions
    • Battery, Starting System And Charging System - Schematic Wiring Diagrams
    • Battery, Starting System And Charging System - Special Tools And Equipment
    • Battery, Starting System And Charging System - Specifications
• Engine Performance
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Specifications
    • Firing Order & Cylinder Identification
  • System
    • Data Communications - Diagnostic Information And Procedures (1 Of 2)
    • Engine Controls And Fuel - 2.0L (LSY) - Description And Operation
    • Engine Controls And Fuel - 2.0L (LSY) - Diagnostic Information And Procedures (1 Of 3)
    • Engine Controls And Fuel - 2.0L (LSY) - Diagnostic Information And Procedures (2 Of 3)
    • Engine Controls And Fuel - 2.0L (LSY) - Diagnostic Information And Procedures (3 Of 3)
    • Engine Controls And Fuel - 2.0L (LSY) - Repair Instructions
    • Engine Controls And Fuel - 2.0L (LSY) - Schematic Wiring Diagrams
    • Engine Controls And Fuel - 2.0L (LSY) - Special Tools And Equipment
    • Engine Controls And Fuel - 2.0L (LSY) - Specifications
  • Testing & Diagnosis
    • Data Communications - Diagnostic Information And Procedures (1 Of 2)
    • Engine Controls And Fuel - 2.0L (LSY) - Description And Operation
    • Engine Controls And Fuel - 2.0L (LSY) - Diagnostic Information And Procedures (1 Of 3)
    • Engine Controls And Fuel - 2.0L (LSY) - Diagnostic Information And Procedures (2 Of 3)
    • Engine Controls And Fuel - 2.0L (LSY) - Diagnostic Information And Procedures (3 Of 3)
    • Engine Controls And Fuel - 2.0L (LSY) - Repair Instructions
    • Engine Controls And Fuel - 2.0L (LSY) - Schematic Wiring Diagrams
    • Engine Controls And Fuel - 2.0L (LSY) - Special Tools And Equipment
    • Engine Controls And Fuel - 2.0L (LSY) - Specifications
• General Information
  • Abbreviations
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
  • Basic Trouble Shooting
    • Basic Trouble Shooting - General Information
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
    • Engine Performance - Trouble Shooting - General Information
  • Brakes
    • Anti-Lock Brake Safety Precautions - General Information
    • Map - Brake Systems
    • Map - Routine Inspection Reference Guide
  • Check Lists
    • Symptom Check List Worksheet - General Information
  • Driveline/Axles
    • Drive Axle Noise Diagnosis - General Information
    • Gear Tooth Contact Patterns - General Information
    • Map - Drive Train & Transmission
    • Trouble Shooting - Clutches - General Information
  • DTC Index
  • Electrical
    • Map - Electrical Systems
    • Using lemon2025'S System Wiring Diagrams
  • Engine
    • Engine Overhaul Procedures - General Information
    • General Cooling System Service - General Information
  • Engine Performance
    • Electrostatic Discharge Warning - General Information
    • Engine Performance Diagnostic Routine Outline - General Information
    • Engine Performance Safety Precautions
    • Map - Engine Performance & Maintenance
    • Parasitic Load Explanation & Test Procedures - General Information
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
    • Waveforms - Injector Pattern Tutorial - General Information
  • Map - Exhaust Systems
  • Heating, Ventilation & A/C (HVAC)
    • Map - Heating, Ventilation, & Air Conditioning
  • Hoist/Jack
    • General Information
  • Identification
    • CANADIAN Model Cross-Reference
    • General Information
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • OEM General Information
    • Dangers, Warnings, And Cautions
    • General Information
    • Vehicle Diagnostic Information - Scan Tool Data (1 Of 2)
    • Vehicle Diagnostic Information - Scan Tool Data (2 Of 2)
    • Vehicle Diagnostic Information And Procedures - Diagnostic Procedure Instructions
    • Vehicle Diagnostic Information And Procedures - Diagnostic Repair Verification
    • Vehicle Diagnostic Information And Procedures - Diagnostic Starting Point - Vehicle
    • Vehicle Diagnostic Information And Procedures - Diagnostic System Check - Vehicle
    • Vehicle Diagnostic Information And Procedures - Diagnostic System Check Instructions
    • Vehicle Diagnostic Information And Procedures - Diagnostic Trouble Code (DTC) List - Vehicle
    • Vehicle Diagnostic Information And Procedures - Engine Cranks But Does Not Run
    • Vehicle Diagnostic Information And Procedures - Engine Does Not Crank
    • Vehicle Diagnostic Information And Procedures - Inspection/Maintenance System Check
    • Vehicle Diagnostic Information And Procedures - Powertrain Diagnostic Trouble Code (DTC) Type Definitions
    • Vehicle Diagnostic Information And Procedures - Proactive Alerts Description And Operation
    • Vehicle Diagnostic Information And Procedures - Proactive Alerts List
    • Vehicle Diagnostic Information And Procedures - Strategy Based Diagnosis
    • Vehicle Diagnostic Information And Procedures - Symptom Byte List
    • Vehicle Diagnostic Information And Procedures - Symptoms - Vehicle
    • Vibration Diagnosis And Correction
  • Reset Procedures
    • Maintenance And Lubrication
    • Maintenance Reminder Light (Reset Procedures)
    • Programming And Setup - All Systems
  • RPO Codes
    • General Information
  • Specifications Index
    • Common Specs & Procedures
  • Steering
    • Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
    • Wheel Alignment Theory & Operation - General Information
  • Traction Control Disable Procedures
  • Trouble Shooting - Manual Transmission - General Information
• Heating, Ventilation & A/C (HVAC)
  • HVAC Control Systems
    • Heating, Ventilation, And Air Conditioning System
    • HVAC - Automatic
• Maintenance
  • Procedures
    • Maintenance And Lubrication
• Restraints
  • Air Bag, SRS
    • Supplemental Restraints System
  • Restraints Control Systems
    • Seat Belts
  • Seat Belts
• Steering
  • Manual Steering
    • Power Steering System
  • Power Steering System
  • Steering Wheel And Steering Column
• Suspension
  • Front Suspension
    • Front Suspension
    • Suspension General Diagnosis
  • Rear Suspension
    • Rear Suspension
    • Suspension General Diagnosis
  • Suspension Control Systems
    • Suspension Controls System
  • Wheel Alignment
    • GMC Wheel Alignment Specifications - ACADIA
    • Wheel Alignment
  • Wheels & Tire System
    • Tire Pressure Monitoring System
    • Tires And Wheels
• Transmission
  • Automatic Trans
    • Automatic Transmission - 9T60 (M3G) Or 9T65 (M3W) - Component Locator
    • Automatic Transmission - 9T60 (M3G) Or 9T65 (M3W) - Description And Operation
    • Automatic Transmission - 9T60 (M3G) Or 9T65 (M3W) - Diagnostic Information And Procedures
    • Automatic Transmission - 9T60 (M3G) Or 9T65 (M3W) - Repair Instructions - Off Vehicle
    • Automatic Transmission - 9T60 (M3G) Or 9T65 (M3W) - Repair Instructions - On Vehicle
    • Automatic Transmission - 9T60 (M3G) Or 9T65 (M3W) - Schematic Wiring Diagrams
    • Automatic Transmission - 9T60 (M3G) Or 9T65 (M3W) - Special Tools And Equipment
    • Automatic Transmission - 9T60 (M3G) Or 9T65 (M3W) - Specifications
    • Electronic Transmission Range Select
    • Transmission Cooling System
  • Hydraulic Diagrams
    • Automatic Transmission - 9T60 (M3G) Or 9T65 (M3W) - Description And Operation
• External Pages