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
    • Common Specs And Procedures
  • DTC Index
  • Electrical Component Locations
    • Component Locations - Electrical Center Identification Views
    • Component Locations - Master Electrical Component List
    • Electrical Component Locator - Door Component Views
    • Electrical Component Locator - Front Of Vehicle/Engine Compartment Component Views
    • Electrical Component Locator - Ground Views
    • Electrical Component Locator - Instrument Panel/Center Console Component Views
    • Electrical Component Locator - Luggage Compartment/Rear Of Vehicle Component Views
    • Electrical Component Locator - Passenger Compartment/Roof Component Views
    • Electrical Component Locator - Powertrain Component Views
    • Electrical Component Locator - Wheels/Vehicle Underbody Component Views
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • Electrical Component Locator - Ground Views
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
    • Wiring Systems And Power Management - Component Connector End Views - Index
    • Wiring Systems And Power Management - Component Connector End Views - A10 To B78E (UD7)
    • Wiring Systems And Power Management - Component Connector End Views - B78F (UD7) To K20 (X1 - Lea)
    • Wiring Systems And Power Management - Component Connector End Views - K20 (X1 - LFX) To K85
    • Wiring Systems And Power Management - Component Connector End Views - K9 (X3) To Q8 (X1 - MH7/MHC)
    • Wiring Systems And Power Management - Component Connector End Views - Q8 (X2 M7U/M7W) To X88
    • Wiring Systems And Power Management - Inline Harness Connector End Views - Index
    • Wiring Systems And Power Management - Inline Harness Connector End Views - X110 To X307
    • Wiring Systems And Power Management - Inline Harness Connector End Views - X308 To X904
    • Wiring Systems And Power Management - Splice Pack Connector End Views
    • Wiring Systems And Power Management - Wiring Schematics And Wiring Harness Routing Diagrams
• Accessories & Equipment
  • Anti-Theft Systems
    • Immobilizer System
    • Keyless Entry System And Remote Functions
    • Power Door Lock System And Release Systems
    • Theft Deterrent System
  • Collision/Avoidance
    • Object Detection System And Pedestrian Protection System
  • Communication Devices
    • Data Communication System
    • Programming And Setup - All Systems
  • Cruise Control Systems
  • Drivers Assistance Systems - ADAS
    • Object Detection System And Pedestrian Protection System
  • Entertainment Systems
    • Active Noise Cancellation System
    • Cellular System, Entertainment System, And Navigation System - Description And Operation
    • Cellular System, Entertainment System, And Navigation System - Specifications
    • Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures
    • Cellular System, Entertainment System, And Navigation System - DTC Index
    • Cellular System, Entertainment System, And Navigation System - Repair Instructions
    • Cellular System, Entertainment System, And Navigation System - Schematic Wiring Diagrams
    • Cellular System, Entertainment System, And Navigation System - Special Tools And Equipment
  • Exterior Lights
    • Lighting System
  • Gauges & Instrument Panels
    • Instrument Panel System Displays And Gauges
  • Headlights
    • Lighting System
  • Heated Glass/Defoggers
    • Fixed And MOVEABLE Window System
  • Horns
    • Horn System
  • Ignition Switch/Steering Lock
    • Immobilizer System
    • Wiring Systems And Power Management - Diagnostic Information And Procedures
    • Wiring Systems And Power Management - Repair Instructions
  • Infotainment
    • Active Noise Cancellation System
    • Cellular System, Entertainment System, And Navigation System - Description And Operation
    • Cellular System, Entertainment System, And Navigation System - Specifications
    • Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures
    • Cellular System, Entertainment System, And Navigation System - DTC Index
    • Cellular System, Entertainment System, And Navigation System - Repair Instructions
    • Cellular System, Entertainment System, And Navigation System - Schematic Wiring Diagrams
    • Cellular System, Entertainment System, And Navigation System - Special Tools And Equipment
  • Interior/Exterior Trim
    • Bolted Exterior Body Panels And Closures
    • 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
  • Memory Modules
    • Secondary And Configurable Customer Control System
  • Mirrors
    • Mirror System
  • Seats
    • Power Seat System
    • Seat Hardware, Seat Trim, And Upholstery
    • Seat Heating System And Seat Cooling System
  • Steering Column Switches
    • Secondary And Configurable Customer Control System
    • Steering Wheel And Steering Column
  • Warning Systems
    • Tire Pressure Monitoring System
  • Window Motors & Regulators
    • Fixed And MOVEABLE Window System
  • Wiper/Washer Systems
    • Wiper System And Washer System
• Body & Frame
  • Door Locks
    • Immobilizer System
    • Keyless Entry System And Remote Functions
    • Power Door Lock System And Release Systems
    • Theft Deterrent System
  • Exterior Body Panels
    • Air/Wind Noise
    • Bumpers And Fascias
    • Squeaks And Rattles
    • Water Leaks
  • Exterior/Interior Trim
    • Bolted Exterior Body Panels And Closures
    • 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
    • Wiring Systems And Power Management - Diagnostic Information And Procedures
    • Wiring Systems And Power Management - Repair Instructions
  • Mirrors
    • Mirror System
  • Seats
    • Power Seat System
    • Seat Hardware, Seat Trim, And Upholstery
    • Seat Heating System And Seat Cooling System
  • Sun Roof/T-Top/Convertible Top
    • Sunroof System
  • Windows
    • Fixed And MOVEABLE Window System
• Brakes
  • Anti-Lock Brakes
    • Antilock Brake System
  • Mechanical - Hydraulic
    • Disc Brake System
    • Hydraulic Brake System
  • Parking Brake System
  • Traction Control
    • Antilock Brake System
• Drivelines & Axles
  • Axle Shafts
    • Wheel Drive Shafts
  • Differentials & Drive Axles
    • Rear Drive Axle
  • Driveshaft & Universal Joints
    • Propeller Shaft And Universal Joints
• Electrical
  • Body Electrical
    • Component Locations - Electrical Center Identification Views
    • Component Locations - Master Electrical Component List
    • Electrical Component Locator - Door Component Views
    • Electrical Component Locator - Front Of Vehicle/Engine Compartment Component Views
    • Electrical Component Locator - Ground Views
    • Electrical Component Locator - Instrument Panel/Center Console Component Views
    • Electrical Component Locator - Luggage Compartment/Rear Of Vehicle Component Views
    • Electrical Component Locator - Passenger Compartment/Roof Component Views
    • Electrical Component Locator - Powertrain Component Views
    • Electrical Component Locator - Wheels/Vehicle Underbody Component Views
    • Power Outlet System
    • Wiring Systems And Power Management - Description And Operation
    • Wiring Systems And Power Management - Fastener Tightening Specifications
    • Wiring Systems And Power Management - Component Connector End Views - Index
    • Wiring Systems And Power Management - Component Connector End Views - A10 To B78E (UD7)
    • Wiring Systems And Power Management - Component Connector End Views - B78F (UD7) To K20 (X1 - Lea)
    • Wiring Systems And Power Management - Component Connector End Views - K20 (X1 - LFX) To K85
    • Wiring Systems And Power Management - Component Connector End Views - K9 (X3) To Q8 (X1 - MH7/MHC)
    • Wiring Systems And Power Management - Component Connector End Views - Q8 (X2 M7U/M7W) To X88
    • Wiring Systems And Power Management - Diagnostic Information And Procedures
    • Wiring Systems And Power Management - DTC Index
    • Wiring Systems And Power Management - Inline Harness Connector End Views - Index
    • Wiring Systems And Power Management - Inline Harness Connector End Views - X110 To X307
    • Wiring Systems And Power Management - Inline Harness Connector End Views - X308 To X904
    • Wiring Systems And Power Management - Repair Instructions
    • Wiring Systems And Power Management - Special Tools And Equipment
    • Wiring Systems And Power Management - Splice Pack Connector End Views
    • Wiring Systems And Power Management - Wiring Schematics And Wiring Harness Routing Diagrams
  • Charging Systems
    • Battery, Charging System And Starting System
  • Component Locations
    • Component Locations - Electrical Center Identification Views
    • Component Locations - Master Electrical Component List
    • Electrical Component Locator - Door Component Views
    • Electrical Component Locator - Front Of Vehicle/Engine Compartment Component Views
    • Electrical Component Locator - Ground Views
    • Electrical Component Locator - Instrument Panel/Center Console Component Views
    • Electrical Component Locator - Luggage Compartment/Rear Of Vehicle Component Views
    • Electrical Component Locator - Passenger Compartment/Roof Component Views
    • Electrical Component Locator - Powertrain Component Views
    • Electrical Component Locator - Wheels/Vehicle Underbody Component Views
  • Fuses & Circuit Breakers
    • Component Locations - Electrical Center Identification Views
  • Instrument Panel System Displays And Gauges
  • Horns
    • Horn System
  • Motors, Switches, Relays
    • Component Locations - Electrical Center Identification Views
    • Component Locations - Master Electrical Component List
    • Electrical Component Locator - Door Component Views
    • Electrical Component Locator - Front Of Vehicle/Engine Compartment Component Views
    • Electrical Component Locator - Ground Views
    • Electrical Component Locator - Instrument Panel/Center Console Component Views
    • Electrical Component Locator - Luggage Compartment/Rear Of Vehicle Component Views
    • Electrical Component Locator - Passenger Compartment/Roof Component Views
    • Electrical Component Locator - Powertrain Component Views
    • Electrical Component Locator - Wheels/Vehicle Underbody Component Views
    • Power Outlet System
    • Wiring Systems And Power Management - Description And Operation
    • Wiring Systems And Power Management - Fastener Tightening Specifications
    • Wiring Systems And Power Management - Component Connector End Views - Index
    • Wiring Systems And Power Management - Component Connector End Views - A10 To B78E (UD7)
    • Wiring Systems And Power Management - Component Connector End Views - B78F (UD7) To K20 (X1 - Lea)
    • Wiring Systems And Power Management - Component Connector End Views - K20 (X1 - LFX) To K85
    • Wiring Systems And Power Management - Component Connector End Views - K9 (X3) To Q8 (X1 - MH7/MHC)
    • Wiring Systems And Power Management - Component Connector End Views - Q8 (X2 M7U/M7W) To X88
    • Wiring Systems And Power Management - Diagnostic Information And Procedures
    • Wiring Systems And Power Management - DTC Index
    • Wiring Systems And Power Management - Inline Harness Connector End Views - Index
    • Wiring Systems And Power Management - Inline Harness Connector End Views - X110 To X307
    • Wiring Systems And Power Management - Inline Harness Connector End Views - X308 To X904
    • Wiring Systems And Power Management - Repair Instructions
    • Wiring Systems And Power Management - Special Tools And Equipment
    • Wiring Systems And Power Management - Splice Pack Connector End Views
    • Wiring Systems And Power Management - Wiring Schematics And Wiring Harness Routing Diagrams
  • Starter
    • Battery, Charging System And Starting System
  • Wiring Diagrams
    • Electrical Component Locator - Ground Views
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
    • Wiring Systems And Power Management - Component Connector End Views - Index
    • Wiring Systems And Power Management - Component Connector End Views - A10 To B78E (UD7)
    • Wiring Systems And Power Management - Component Connector End Views - B78F (UD7) To K20 (X1 - Lea)
    • Wiring Systems And Power Management - Component Connector End Views - K20 (X1 - LFX) To K85
    • Wiring Systems And Power Management - Component Connector End Views - K9 (X3) To Q8 (X1 - MH7/MHC)
    • Wiring Systems And Power Management - Component Connector End Views - Q8 (X2 M7U/M7W) To X88
    • Wiring Systems And Power Management - Inline Harness Connector End Views - Index
    • Wiring Systems And Power Management - Inline Harness Connector End Views - X110 To X307
    • Wiring Systems And Power Management - Inline Harness Connector End Views - X308 To X904
    • Wiring Systems And Power Management - Splice Pack Connector End Views
    • Wiring Systems And Power Management - Wiring Schematics And Wiring Harness Routing Diagrams
• Engine Mechanical
  • Cooling System (Mechanical)
    • Engine Cooling System
  • Engine Exhaust System
  • Fuel System
    • Engine Controls And Fuel - 3.6L (LFX) - Repair Instructions
  • Lubrication System
    • Maintenance And Lubrication
  • Mechanical
    • Engine Mechanical - 3.6L (LFX) - Description And Operation
    • Engine Mechanical - 3.6L (LFX) - Specifications
    • Engine Mechanical - 3.6L (LFX) - Component Locator
    • Engine Mechanical - 3.6L (LFX) - Diagnostic Information And Procedures
    • Engine Mechanical - 3.6L (LFX) - Repair Instructions - Off Vehicle
    • Engine Mechanical - 3.6L (LFX) - Repair Instructions - On Vehicle
    • Engine Mechanical - 3.6L (LFX) - Schematic Wiring Diagrams
    • Engine Mechanical - 3.6L (LFX) - Special Tools And Equipment
  • Starter
    • Battery, Charging System And Starting System
• Engine Performance
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Engine Control Systems
    • Engine Controls And Fuel - 3.6L (LFX) - Repair Instructions
  • Fuel Delivery
    • Engine Controls And Fuel - 3.6L (LFX) - Repair Instructions
  • Ignition System
    • Engine Controls And Fuel - 3.6L (LFX) - Repair Instructions
  • Mode 6 - Gm
  • Remove, Overhaul & Install
    • Engine Controls And Fuel - 3.6L (LFX) - Repair Instructions
  • Specifications
    • Firing Order & Cylinder Identification
  • System
    • Data Communication System
    • Engine Controls And Fuel - 3.6L (LFX) - Description And Operation
    • Engine Controls And Fuel - 3.6L (LFX) - Specifications
    • Engine Controls And Fuel - 3.6L (LFX) - DTC Index
    • Engine Controls And Fuel - 3.6L (LFX) - DTC P0010 To DTC P0336
    • Engine Controls And Fuel - 3.6L (LFX) - DTC P0340 To DTC P2635 And Diagnostic Information And Procedures
    • Engine Controls And Fuel - 3.6L (LFX) - Special Tools And Equipment
  • Testing & Diagnosis
    • Data Communication System
    • Engine Controls And Fuel - 3.6L (LFX) - Description And Operation
    • Engine Controls And Fuel - 3.6L (LFX) - Specifications
    • Engine Controls And Fuel - 3.6L (LFX) - DTC Index
    • Engine Controls And Fuel - 3.6L (LFX) - DTC P0010 To DTC P0336
    • Engine Controls And Fuel - 3.6L (LFX) - DTC P0340 To DTC P2635 And Diagnostic Information And Procedures
    • Engine Controls And Fuel - 3.6L (LFX) - Special Tools And Equipment
  • Tune-Up
    • Engine Controls And Fuel - 3.6L (LFX) - Repair Instructions
  • Engine Controls And Fuel - 3.6L (LFX) - Schematic Wiring Diagrams
• 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
    • Automatic Stop/Start Disable
    • Dangers, Warnings, And Cautions
    • General Information
    • Vehicle Diagnostic Information - Diagnostic Information And Procedures
    • Vehicle Diagnostic Information - Scan Tool Information
    • Vibration Diagnosis And Correction
  • Reset Procedures
    • ATEQ TPMS Reset Procedure
    • BARTEC TPMS Reset Procedure (1 Of 2)
    • Maintenance And Lubrication
    • Maintenance Reminder Light (Reset Procedures)
    • Tire Pressure Monitor Systems
  • RPO Codes
    • General Information
  • Specifications Index
    • Common Specs And 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)
  • General Servicing
    • Cabin Air Filter
  • HVAC Control Systems
    • Heating, Ventilation, And Air Conditioning
    • HVAC System - Automatic
    • HVAC System - Manual
• Maintenance
  • Procedures
    • Maintenance And Lubrication
• Restraints
  • Air Bag, SRS
    • Supplemental Inflatable Restraint System
  • Restraints Control Systems
    • Seat Belt System
  • Seat Belts
    • Seat Belt System
• Steering
  • Manual Steering
    • Power Steering System
  • Power Steering System
  • Steering Wheel And Steering Column
• Suspension
  • Front Suspension
    • Front Suspension System
    • Suspension System General Diagnosis
  • Rear Suspension
    • Rear Suspension System
    • Suspension System General Diagnosis
  • Wheel Alignment
    • GMC Wheel Alignment Specifications - Terrain
    • Wheel Alignment System
  • Wheels & Tire System
    • Tire Pressure Monitoring System
    • Tires And Wheels
• Transmission
  • Automatic Trans
    • Automatic Transmission - 6T45 (MHC MH7) - DTC Index
    • Automatic Transmission - 6T70 (M7U M7W) - Repair Instructions - On Vehicle
    • Shift Lock Control System
    • Transmission Cooling System
• External Pages