Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures
  • DTC Index
  • Electrical Component Locations
    • Diagnostic Connector (DLC) Locations
    • Electrical Component Locator
    • Wiring Systems And Power Management - Electrical Center Identification, Component Connector & Splice Pack Connector End Views
    • Wiring Systems And Power Management - Instrument Panel, Passenger Compartment And Door Component Views
    • Wiring Systems And Power Management - Luggage Compartment, Underbody & Ground Views
    • Wiring Systems And Power Management - Master Electrical Component List And Powertrain & Front Of Vehicle Component Views
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • System Wiring Diagrams - G2500
    • Using lemon2025'S System Wiring Diagrams
    • Wiring Systems And Power Management - Diagnostic Starting Point & Inline Harness Connector End Views
    • Wiring Systems And Power Management - Electrical Center Identification, Component Connector & Splice Pack Connector End Views
• Accessories & Equipment
  • Anti-Theft Systems
    • Door Lock System & Door Handles
    • Immobilizer System
    • Keyless Entry System And Remote Functions
  • Communication Devices
    • Data Communication System
    • Programming And Setup - All Systems
  • Cruise Control Systems
  • Entertainment Systems
    • Cellular System, Entertainment System & Navigation System
  • Exterior Lights
    • Lighting Systems
  • Gauges & Instrument Panels
    • Instrument Panel System Displays & Gauges
  • Headlights
    • Lighting Systems
  • Heated Glass/Defoggers
    • Fixed & MOVEABLE Window System
  • Horns
    • Horn System
  • Ignition Switch/Steering Lock
    • Immobilizer System
    • Wiring Systems And Power Management - Introduction
    • Wiring Systems And Power Management - Service, Troubleshooting & Diagnosis
  • Infotainment
    • Cellular System, Entertainment System & Navigation System
  • Interior/Exterior Trim
    • Exterior Trim System
    • Floor Coverings & Headliners
    • Instrument Panel Trim And Console Trim
    • Interior Trim And Paneling
    • Seat Hardware, Seat Trim, And Upholstery
  • Interior/Illumination Lights
    • Lighting Systems
  • Memory Modules
    • Configurable Customer Control System
  • Mirrors
    • Mirror System
  • Seats
    • Power Seat System
    • Seat Hardware, Seat Trim, And Upholstery
  • Steering Column Switches
    • Steering Wheel & Steering Column
  • Warning Systems
    • Tire Pressure Monitoring System
  • Window Motors & Regulators
    • Fixed & MOVEABLE Window System
  • Wiper/Washer Systems
    • Wiper System & Washer System
• Body & Frame
  • Door Locks
    • Door Lock System & Door Handles
    • Immobilizer System
    • Keyless Entry System And Remote Functions
  • Exterior Body Panels
    • Air/Wind Noise Symptoms
    • Bolted Exterior Body Panels And Closures
    • Bumper System & Fascia
    • Squeaks And Rattles
    • Water Leaks
  • Exterior/Interior Trim
    • Exterior Trim System
    • Floor Coverings & Headliners
    • Instrument Panel Trim And Console Trim
    • Interior Trim And Paneling
    • Seat Hardware, Seat Trim, And Upholstery
  • Frames, Subframes & Crossmembers
    • Frame And Underbody
  • Ignition Switch/Steering Lock
    • Immobilizer System
    • Wiring Systems And Power Management - Introduction
    • Wiring Systems And Power Management - Service, Troubleshooting & Diagnosis
  • Mirrors
    • Mirror System
  • Seats
    • Power Seat System
    • Seat Hardware, Seat Trim, And Upholstery
  • Windows
    • Fixed & 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
    • Rear Drive Axle
    • Wheel Drive Shafts
  • Differentials & Drive Axles
    • Front Drive Axle
    • Rear Drive Axle
  • Driveshaft & Universal Joints
    • Propeller Shaft And Universal Joints
• Electrical
  • Body Electrical
    • Accessory Power Socket
    • Wiring Systems And Power Management - Introduction
    • Wiring Systems And Power Management - Diagnostic Starting Point & Inline Harness Connector End Views
    • Wiring Systems And Power Management - DTC B1370 To DTC B1428
    • Wiring Systems And Power Management - DTC B1433 To DTC B1441
    • Wiring Systems And Power Management - DTC B1475
    • Wiring Systems And Power Management - Electrical Center Identification, Component Connector & Splice Pack Connector End Views
    • Wiring Systems And Power Management - Instrument Panel, Passenger Compartment And Door Component Views
    • Wiring Systems And Power Management - Luggage Compartment, Underbody & Ground Views
    • Wiring Systems And Power Management - Master Electrical Component List And Powertrain & Front Of Vehicle Component Views
    • Wiring Systems And Power Management - Service, Troubleshooting & Diagnosis
  • Charging Systems
    • Battery, Charging System And Starting System
  • Component Locations
    • Diagnostic Connector (DLC) Locations
    • Electrical Component Locator
    • Wiring Systems And Power Management - Electrical Center Identification, Component Connector & Splice Pack Connector End Views
    • Wiring Systems And Power Management - Instrument Panel, Passenger Compartment And Door Component Views
    • Wiring Systems And Power Management - Luggage Compartment, Underbody & Ground Views
    • Wiring Systems And Power Management - Master Electrical Component List And Powertrain & Front Of Vehicle Component Views
  • Fuses & Circuit Breakers
    • Fuses & Circuit Breakers
    • Wiring Systems And Power Management - Electrical Center Identification, Component Connector & Splice Pack Connector End Views
  • Instrument Panel System Displays & Gauges
  • Horns
    • Horn System
  • Motors, Switches, Relays
    • Accessory Power Socket
    • Wiring Systems And Power Management - Introduction
    • Wiring Systems And Power Management - Diagnostic Starting Point & Inline Harness Connector End Views
    • Wiring Systems And Power Management - DTC B1370 To DTC B1428
    • Wiring Systems And Power Management - DTC B1433 To DTC B1441
    • Wiring Systems And Power Management - DTC B1475
    • Wiring Systems And Power Management - Electrical Center Identification, Component Connector & Splice Pack Connector End Views
    • Wiring Systems And Power Management - Instrument Panel, Passenger Compartment And Door Component Views
    • Wiring Systems And Power Management - Luggage Compartment, Underbody & Ground Views
    • Wiring Systems And Power Management - Master Electrical Component List And Powertrain & Front Of Vehicle Component Views
    • Wiring Systems And Power Management - Service, Troubleshooting & Diagnosis
  • Starter
    • Battery, Charging System And Starting System
  • Wiring Diagrams
    • System Wiring Diagrams - G2500
    • Using lemon2025'S System Wiring Diagrams
    • Wiring Systems And Power Management - Diagnostic Starting Point & Inline Harness Connector End Views
    • Wiring Systems And Power Management - Electrical Center Identification, Component Connector & Splice Pack Connector End Views
• Engine Mechanical
  • Auxiliary Emission Control Systems
    • Emission Control Visual Inspection Procedures - Diesel
  • Cooling System (Mechanical)
    • Engine Cooling System
  • Engine Exhaust System
  • Lubrication System
    • Maintenance And Lubrication
  • Mechanical
    • Engine Mechanical - 4.8L, 5.3L Or 6.0L (1 Of 4)
    • Engine Mechanical - 4.8L, 5.3L Or 6.0L (2 Of 4)
    • Engine Mechanical - 4.8L, 5.3L Or 6.0L (3 Of 4)
    • Engine Mechanical - 4.8L, 5.3L Or 6.0L (4 Of 4)
  • Starter
    • Battery, Charging System And Starting System
• Engine Performance
  • Emissions
    • Emission Applications - Except Diesel
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Mode 6
  • Specifications
    • Firing Order & Cylinder Identification
  • System
    • Data Communication System
    • Engine Control System & Fuel System - 4.8L, 5.3L Or 6.0L - Introduction
    • Engine Control System & Fuel System - 4.8L, 5.3L Or 6.0L - DTC P0010 To DTC P0230
    • Engine Control System & Fuel System - 4.8L, 5.3L Or 6.0L - DTC P0230 To DTC P0690
    • Engine Control System & Fuel System - 4.8L, 5.3L Or 6.0L - DTC P069E To DTC P2635
    • Engine Control System & Fuel System - 4.8L, 5.3L Or 6.0L - Troubleshooting & Diagnosis
  • Testing & Diagnosis
    • Data Communication System
    • Engine Control System & Fuel System - 4.8L, 5.3L Or 6.0L - Introduction
    • Engine Control System & Fuel System - 4.8L, 5.3L Or 6.0L - DTC P0010 To DTC P0230
    • Engine Control System & Fuel System - 4.8L, 5.3L Or 6.0L - DTC P0230 To DTC P0690
    • Engine Control System & Fuel System - 4.8L, 5.3L Or 6.0L - DTC P069E To DTC P2635
    • Engine Control System & Fuel System - 4.8L, 5.3L Or 6.0L - Troubleshooting & Diagnosis
• 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
  • OBD-II Drive Cycles - 4.8L, 5.3L, 6.0L, 6.2L & 7.0L
  • 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
  • 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
    • Vibration Symptoms Diagnosis And Correction
  • Reset Procedures
    • ATEQ TPMS Reset Procedure
    • BARTEC TPMS Reset Procedure (2 Of 2)
    • Maintenance And Lubrication
    • Maintenance Reminder Light (Reset Procedures)
    • Tire Pressure Monitor 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)
  • General Servicing
    • Cabin Air Filter (Special Applications) - General Information
  • HVAC Control Systems
    • Heating, Ventilation, And Air Conditioning
    • 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 & Steering Column
  • Steering Linkage
• Suspension
  • Front Suspension
    • Front Suspension System
    • Suspension General Diagnosis
  • Rear Suspension
    • Rear Suspension System
    • Suspension General Diagnosis
  • Wheel Alignment System
  • Wheels & Tire System
    • Tire Pressure Monitoring System
    • Tires And Wheels
• Transmission
  • Automatic Trans
    • Automatic Transmission - 4L80-E, 4L85-E - DTC P0218 To DTC P2534
    • Automatic Transmission - 4L80-E, 4L85-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis
    • Automatic Transmission - 4L80-E, 4L85E - Introduction (1 Of 2)
    • Automatic Transmission - 4L80-E, 4L85E - Introduction (2 Of 2)
    • Shift Interlock System
  • Hydraulic Diagrams
    • Automatic Transmission - 4L80-E, 4L85-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis
• External Pages