Repair and Diagnosis

A L L Diagnostic Trouble Codes ( DTC )
Relays and Modules
- Relays and Modules - Accessories and Optional Equipment
- Relays and Modules - Body and Frame
- Relays and Modules - Brakes and Traction Control
  - Electronic Brake Control Module
- Relays and Modules - HVAC
  - Compressor Clutch Relay
  - Control Module HVAC
- Relays and Modules - Lighting and Horns
- Relays and Modules - Power and Ground Distribution
  - Power Distribution Relay
- Relays and Modules - Powertrain Management
- Relays and Modules - Restraints and Safety Systems
  - Air Bag Control Module
  - Technical Service Bulletins
- Relays and Modules - Starting and Charging
  - Starter Relay
- Relays and Modules - Steering and Suspension
- Relays and Modules - Transmission and Drivetrain
  - Relays and Modules - A/T
    - Control Module
- Relays and Modules - Windows and Glass
  - Heated Glass Element Relay
- Relays and Modules - Wiper and Washer Systems
  - Wiper Relay
Sensors and Switches
- Sensors and Switches - Accessories and Optional Equipment
- Sensors and Switches - Body and Frame
- Sensors and Switches - Brakes and Traction Control
- Sensors and Switches - Cooling System
  - Coolant Level Sensor
  - Engine - Coolant Temperature Sensor/Switch
- Sensors and Switches - Engine
  - Oil Level Sensor
  - Oil Pressure Sensor
- Sensors and Switches - HVAC
- Sensors and Switches - Instrument Panel
- Sensors and Switches - Lighting and Horns
- Sensors and Switches - Powertrain Management
- Sensors and Switches - Restraints and Safety Systems
- Sensors and Switches - Starting and Charging
  - Ignition Switch
  - Neutral Safety Switch
- Sensors and Switches - Steering and Suspension
- Sensors and Switches - Transmission and Drivetrain
  - Sensors and Switches - A/T
- Sensors and Switches - Windows and Glass
  - Power Window Switch
- Sensors and Switches - Wiper and Washer Systems
Maintenance
- Alignment
- Tune-up and Engine Performance Checks
- Timing Component Alignment Marks
- Drive Belt
- Filters
- Hoses
- Fluids
- Brake Bleeding
- Air Bag(s) Arming and Disarming
- Fuses and Circuit Breakers
- Service Reminder Indicators
- Wheels and Tires
- Vehicle Lifting
- Service Intervals
- Specifications
- Technical Service Bulletins
Engine, Cooling and Exhaust
- Engine
- Cooling System
- Exhaust System
- Technical Service Bulletins
Powertrain Management
- Relays and Modules - Powertrain Management
- Sensors and Switches - Powertrain Management
- Tune-up and Engine Performance Checks
- Computers and Control Systems
- Emission Control Systems
- Fuel Delivery and Air Induction
- Ignition System
- Transmission Control Systems
- PROM - Programmable Read Only Memory
- Diagrams
- Specifications
- Technical Service Bulletins
Transmission and Drivetrain
- Actuators and Solenoids - Transmission and Drivetrain
  - Actuators and Solenoids - A/T
- Automatic Transmission/Transaxle
- Continuously Variable Transmission/Transaxle
- Drive Axles, Bearings and Joints
- Flex Plate
- Lamps and Indicators - Transmission and Drivetrain
  - Lamps and Indicators - A/T
    - Transmission Mode Indicator - A/T
- Manual Transmission/Transaxle
- Relays and Modules - Transmission and Drivetrain
  - Relays and Modules - A/T
    - Control Module
- Sensors and Switches - Transmission and Drivetrain
  - Sensors and Switches - A/T
- Transmission Control Systems
- Service Precautions
  - Transmission Overfill Notice
  - Transmission Fluid Vent Cap Removal Notice
- Technical Service Bulletins
Brakes and Traction Control
- Antilock Brakes / Traction Control Systems
- Brake Bleeding
- Brake Pedal Assy
- Disc Brake System
- Hydraulic System
- Parking Brake System
- Power Brake Assist
  - Vacuum Brake Booster
  - Vacuum Brake Booster Check Valve
- Relays and Modules - Brakes and Traction Control
  - Electronic Brake Control Module
- Sensors and Switches - Brakes and Traction Control
- Service Precautions
  - Technician Safety Information
    - Brake Dust Caution
    - Brake Fluid Irritant Caution
  - Vehicle Damage Warnings
- Specifications
- Technical Service Bulletins
Starting and Charging
- Sensors and Switches - Starting and Charging
  - Ignition Switch
  - Neutral Safety Switch
- Relays and Modules - Starting and Charging
  - Starter Relay
- Battery
- Charging System
- Starting System
- Power and Ground Distribution
- Description and Operation
- Testing and Inspection
- Diagrams
- Specifications
- Technical Service Bulletins
- Tools and Equipment
Power and Ground Distribution
- Auxiliary Power Outlet
- Electrical Box Cooling Fan
- Electronic Noise Suppressor
- Fuse
- Fuse Block
- Fusible Link
- Ground Strap
- Grounding Point
- Multiple Junction Connector
- Power Distribution Relay
- Relays and Modules - Power and Ground Distribution
  - Power Distribution Relay
- Wiring Harness
- Description and Operation
  - Power Mode Description and Operation
  - Retained Accessory Power (RAP) Description and Operation
- Testing and Inspection
  - Initial Inspection and Diagnostic Overview
  - Symptom Related Diagnostic Procedures
- Locations
- Diagrams
- Technical Service Bulletins
- Tools and Equipment
Steering and Suspension
- Alignment
- Relays and Modules - Steering and Suspension
- Sensors and Switches - Steering and Suspension
- Steering
- Suspension
- Wheels and Tires
- Technical Service Bulletins
Heating and Air Conditioning
- Air Door
  - Air Door Actuator / Motor
  - Service and Repair
    - Reset Procedure
    - Removal and Replacement
- Air Duct
- Air Register
- Ambient Temperature Sensor / Switch HVAC
- Blower Motor
- Blower Motor Resistor
- Cabin Air Filter / Purifier
- Cabin Ventilation Grille
- Compressor HVAC
  - Compressor Clutch
  - Service and Repair
    - Air Conditioning Compressor Oil Balancing
    - Air Conditioning Compressor Replacement
- Compressor Clutch Relay
- Condenser HVAC
- Condenser Fan
- Control Module HVAC
- Coupler HVAC
  - A/C Coupler O-ring
- Discharge Air Temperature Sensor / Switch
- Evaporator Core
- Evaporator Drain Tube
- Expansion Valve
- Heater Core
- Heater Hose
- High Pressure Safety Valve HVAC
- Hose/Line HVAC
- Housing Assembly HVAC
- Refrigerant
- Refrigerant Filter
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch
- Relays and Modules - HVAC
  - Compressor Clutch Relay
  - Control Module HVAC
- Sensors and Switches - HVAC
  - Ambient Temperature Sensor / Switch HVAC
  - Discharge Air Temperature Sensor / Switch
  - Refrigerant Pressure Sensor / Switch
- Service Port HVAC
- Wiring Harness HVAC
- Service Precautions
  - Customer Safety Information
  - Technician Safety Information
- Description and Operation
  - HVAC - Automatic
    - Air Delivery Description and Operation
    - Air Temperature Description and Operation
  - HVAC - Manual
    - Air Delivery Description and Operation
    - Air Temperature Description and Operation
- Testing and Inspection
  - Initial Inspection and Diagnostic Overview
  - Symptom Related Diagnostic Procedures
  - Component Tests and General Diagnostics
  - Programming and Relearning
    - Actuator Recalibration - HVAC System - Automatic
    - Afterblow Enable Procedure
      - HVAC - Automatic
      - HVAC - Manual
- Service and Repair
  - Flushing
  - Odor Correction
  - Refrigerant Recovery and Recharging
- Diagrams
  - Diagram Information and Instructions
    - Master Electrical Schematic Icons
    - General Electrical Diagnosis
  - Diagnostic Aids
  - Electrical Diagrams
- Specifications
  - Electrical Specifications
  - Mechanical Specifications
  - Capacity Specifications
- Technical Service Bulletins
- Tools and Equipment
  - Heating, Ventilation, and Air Conditioning
  - HVAC - Automatic
  - HVAC - Manual
Restraints and Safety Systems
- Repairs and Inspections Required After a Collision
- Air Bag Systems
- Head Restraint System
  - Head Rest
  - Technical Service Bulletins
- Relays and Modules - Restraints and Safety Systems
  - Air Bag Control Module
  - Technical Service Bulletins
- Seat Belt Systems
- Sensors and Switches - Restraints and Safety Systems
- Service Precautions
- Technical Service Bulletins
Accessories and Optional Equipment
- Antenna
  - Antenna, Navigation
  - Antenna, Phone
  - Antenna, Radio
- Antitheft and Alarm Systems
  - Alarm Module
  - Hood Sensor/Switch (For Alarm)
  - Keyless Entry
  - Description and Operation
    - Immobilizer Description and Operation
    - Content Theft Deterrent (CTD) Description and Operation
  - Testing and Inspection
  - Service and Repair
  - Diagrams
  - Technical Service Bulletins
- Cellular Phone
  - Cellular Phone Microphone
  - Communications Control Module
  - Testing and Inspection
  - Technical Service Bulletins
- Driver/Vehicle Information Display
- Emergency Contact Module
- Entertainment Systems
  - Auxiliary Input / Output Jack
  - Television / Monitor
  - DVD Player
  - Technical Service Bulletins
- Garage Door Opener Transmitter
- Global Positioning System
- Navigation System
  - Navigation Module
  - Technical Service Bulletins
- Pedal Positioning System
  - Pedal Positioning Module
  - Pedal Positioning Motor
  - Pedal Positioning Sensor
  - Pedal Positioning Switch
  - Service and Repair
  - Diagrams
  - Specifications
- Radio, Stereo, and Compact Disc
  - Amplifier
  - Compact Disc Player (CD)
  - Radio/Stereo
  - Remote Control
  - Speaker
  - Testing and Inspection
  - Technical Service Bulletins
- Relays and Modules - Accessories and Optional Equipment
  - Alarm Module
  - Communications Control Module
  - Emergency Contact Module
  - Keyless Entry Module
  - Navigation Module
  - Pedal Positioning Module
  - Relay Module
  - Technical Service Bulletins
- Relay Module
- Sensors and Switches - Accessories and Optional Equipment
  - Hood Sensor/Switch (For Alarm)
  - Pedal Positioning Sensor
  - Pedal Positioning Switch
  - Remote Switch
  - Steering Mounted Controls Assembly
- Steering Mounted Controls Assembly
- Steering Mounted Controls Transmitter
- Description and Operation
  - OnStar Description and Operation
  - Radio/Audio System Description and Operation
    - Part 1
    - Part 2
  - Steering Wheel Controls Description and Operation
- Testing and Inspection
  - Initial Inspection and Diagnostic Overview
    - Diagnostic Starting Point - Cellular, Entertainment, and Navigation
    - Diagnostic Starting Point - Secondary and Configurable Customer Controls
  - Symptom Related Diagnostic Procedures
  - Programming and Relearning
    - OnStar Reconfiguration (with TIS 2 Web Gen 4 and later)
    - OnStar Reconfiguration (without TIS2web Gen 3 and prior)
- Diagrams
  - Diagram Information and Instructions
    - Master Electrical Schematic Icons
    - General Electrical Diagnosis
  - Diagnostic Aids
  - Electrical Diagrams
- Specifications
- Technical Service Bulletins
Body and Frame
- Air Bag(s) Arming and Disarming
- Repairs and Inspections Required After a Collision
- Body Control Systems
  - Body Control Module
  - Description and Operation
  - Diagrams
  - Technical Service Bulletins
- Bumper
  - Front Bumper
  - Rear Bumper
  - Specifications
- Cabin Ventilation Grille
- Cowl
  - Cowl Moulding / Trim
- Doors, Hood and Trunk
  - Doors
  - Fuel Door
  - Hood
  - Trunk / Liftgate
  - Technical Service Bulletins
- Exterior Moulding / Trim
  - Body Emblem
  - Cowl Moulding / Trim
  - License Plate Bracket
  - Windshield Moulding / Trim
  - Service Precautions
  - Description and Operation
  - Specifications
  - Technical Service Bulletins
- Fender
  - Front Fender
    - Front Fender Liner
    - Service and Repair
  - Rear Fender
    - Rear Fender Liner
- Firewall
- Frame
  - Body / Frame Mount Bushing
  - Cross-Member
  - Subframe
    - Front Subframe
    - Front Subframe Mount
  - Specifications
  - Technical Service Bulletins
  - Tools and Equipment
    - Special Tools
    - Frame and Underbody
- Grille
- Interior Moulding / Trim
  - Carpet
  - Console
  - Dashboard / Instrument Panel
  - Drink Holders
  - Glove Compartment
  - Headliner
  - Passenger Assist Handle
  - Rear Shelf
  - Sun Visor
  - Trim Panel
  - Specifications
    - Instrument Panel and Console Trim - Fastener Tightening Specifications
    - Interior Trim and Paneling - Fastener Tightening Specifications
  - Technical Service Bulletins
- Locks
  - Door Locks
    - Door Lock Cylinder
    - Service and Repair
  - Key
  - Keyless Entry
  - Power Locks
    - Power Door Lock Switch
    - Description and Operation
  - Testing and Inspection
    - Initial Inspection and Diagnostic Overview
    - Symptom Related Diagnostic Procedures
  - Service and Repair
  - Diagrams
  - Specifications
  - Technical Service Bulletins
  - Tools and Equipment
- Mirrors
  - Heated Element
  - Power Mirror Switch
  - Description and Operation
    - Automatic Day-Night Mirror Description and Operation
    - Outside Mirror Description and Operation
  - Testing and Inspection
    - Initial Inspection and Diagnostic Overview
    - Symptom Related Diagnostic Procedures
  - Locations
  - Service and Repair
  - Diagrams
  - Specifications
  - Technical Service Bulletins
- Paint, Striping and Decals
  - Paint
- Relays and Modules - Body and Frame
  - Keyless Entry Module
  - Pedal Positioning Module
  - Seat Temperature Control Module
  - Sunroof / Moonroof Module
  - Trunk / Liftgate Relay
- Roof and Associated Components
  - Sunroof / Moonroof
- Seats
  - Head Rest
  - Head Restraint System
    - Head Rest
    - Technical Service Bulletins
  - Power Seat Motor
  - Power Seat Switch
  - Seat Back
  - Seat Cover
  - Seat Cushion
  - Seat Temperature Element
  - Seat Temperature Control Module
  - Seat Temperature Switch
  - Description and Operation
  - Testing and Inspection
  - Service and Repair
    - Procedures
    - Removal and Replacement
  - Diagrams
  - Specifications
    - Power Seats
    - Seat Hardware, Trim, and Upholstery
  - Technical Service Bulletins
- Sensors and Switches - Body and Frame
  - Door Position Switch
  - Hood Switch / Sensor
    - Hood Sensor/Switch (For Alarm)
  - Pedal Positioning Sensor
  - Pedal Positioning Switch
  - Power Door Lock Switch
  - Power Mirror Switch
  - Power Seat Switch
  - Seat Temperature Switch
  - Sunroof / Moonroof Switch
  - Trunk / Liftgate Switch
- Spoilers, Flaps, and Air Dams
  - Air Dam
  - Spoiler
- Strut / Shock Tower
  - Front Strut / Shock Tower
  - Technical Service Bulletins
- Unibody
  - Cowl
    - Cowl Moulding / Trim
- Weatherstrip
  - Front Door Weatherstrip
  - Hood Weatherstrip
  - Rear Door Weatherstrip
  - Sunroof / Moonroof Weatherstrip
  - Trunk / Liftgate Weatherstrip
  - Technical Service Bulletins
- Service Precautions
  - Approved Equipment for Collision Repair Caution
  - Collision Sectioning Caution
  - Foam Sound Deadeners Caution
  - Glass and Sheet Metal Handling Caution
- Application and ID
- Testing and Inspection
  - Symptom Related Diagnostic Procedures
  - Component Tests and General Diagnostics
- Locations
  - Structure Identification
  - Panel Identification
- Specifications
- Technical Service Bulletins
Cruise Control
Instrument Panel, Gauges and Warning Indicators
- Cigarette Lighter
- Dashboard / Instrument Panel
  - Air Bag(s) Arming and Disarming
  - Service and Repair
  - Technical Service Bulletins
- Dimmer Switch
- Door/Trunk Ajar Indicator/Lamp
- Door Switch
- Driver/Vehicle Information Display
- Fuel Gauge
- Fuel Gauge Sender
- Instrument Cluster / Carrier
  - Air Bag(s) Arming and Disarming
  - Instrument Panel Bulb
  - Description and Operation
  - Testing and Inspection
  - Locations
  - Service and Repair
  - Diagrams
- Low Tire Pressure Indicator
- Maintenance Required Lamp/Indicator
- Malfunction Indicator Lamp
- Odometer
- Oil Change Reminder Lamp
- Outside Temperature Display
  - Outside Temperature Display Sensor
- Parking Brake Warning Switch
- Sensors and Switches - Instrument Panel
  - Dimmer Switch
  - Door Switch
  - Fuel Gauge Sender
  - Outside Temperature Display Sensor
  - Parking Brake Warning Switch
- Tire Monitoring System
  - Low Tire Pressure Indicator
  - Tire Pressure Module
  - Tire Pressure Monitor Receiver / Transponder
  - Tire Pressure Sensor
  - Description and Operation
  - Testing and Inspection
    - Initial Inspection and Diagnostic Overview
    - Symptom Related Diagnostic Procedures
  - Technical Service Bulletins
  - Tools and Equipment
- Transmission Mode Indicator - A/T
- Transmission Shift Position Indicator Lamp
- Description and Operation
  - Audible Warnings Description and Operation
  - Indicator/Warning Message Description and Operation
- Testing and Inspection
  - Initial Inspection and Diagnostic Overview
  - Symptom Related Diagnostic Procedures
- Service and Repair
- Diagrams
  - Diagram Information and Instructions
    - Master Electrical Schematic Icons
    - General Electrical Diagnosis
  - Diagnostic Aids
  - Electrical Diagrams
- Specifications
- Technical Service Bulletins
- Tools and Equipment
Lighting and Horns
- Ambient Light Sensor
- Backup Lamp
  - Backup Lamp Relay
  - Diagrams
  - Technical Service Bulletins
- Brake Lamp
- Cargo Lamp
- Center Mounted Brake Lamp
- Courtesy Lamp
- Dimmer Switch
- Dome Lamp
  - Dome Lamp Bulb
  - Service and Repair
  - Diagrams
- Door Switch
- Fog/Driving Lamp
  - Fog/Driving Lamp Bulb
  - Fog/Driving Lamp Relay
  - Fog/Driving Lamp Switch
  - Service and Repair
    - Procedures
    - Removal and Replacement
      - Front Fog Lamp Replacement (Base)
      - Front Fog Lamp Replacement (SS)
  - Diagrams
  - Technical Service Bulletins
- Hazard Warning Lamps
  - Hazard Warning Switch
- Headlamp
  - Headlamp Bulb
  - High Beam Relay
  - Low Beam Relay
  - Adjustments
  - Service and Repair
  - Diagrams
  - Technical Service Bulletins
- Horn
  - Horn Relay
  - Horn Switch
  - Description and Operation
  - Testing and Inspection
    - Initial Inspection and Diagnostic Overview
    - Symptom Related Diagnostic Procedures
      - Symptoms - Horns
      - Horns Malfunction
  - Locations
  - Service and Repair
  - Diagrams
  - Specifications
- License Plate Lamp
- Map Light
  - Map Light Bulb
- Parking Lamp
  - Parking Lamp Relay
  - Diagrams
  - Technical Service Bulletins
- Relays and Modules - Lighting and Horns
  - Backup Lamp Relay
  - Fog/Driving Lamp Relay
  - High Beam Relay
  - Horn Relay
  - Low Beam Relay
  - Parking Lamp Relay
- Sensors and Switches - Lighting and Horns
  - Ambient Light Sensor
  - Combination Switch
  - Door Switch
  - Fog/Driving Lamp Switch
  - Hazard Warning Switch
  - Horn Switch
  - Turn Signal Switch
- Tail Lamp
- Turn Signals
  - Combination Switch
  - Turn Signal Lamp
  - Turn Signal Switch
- Vanity Lamp
- Service Precautions
- Description and Operation
  - Exterior Lighting Systems Description and Operation
  - Interior Lighting Systems Description and Operation
- Testing and Inspection
  - Initial Inspection and Diagnostic Overview
  - Symptom Related Diagnostic Procedures
- Diagrams
  - Diagram Information and Instructions
    - Master Electrical Schematic Icons
    - General Electrical Diagnosis
  - Diagnostic Aids
  - Electrical Diagrams
- Specifications
- Technical Service Bulletins
Windows and Glass
- Heated Glass Element
- Rear Defogger
- Relays and Modules - Windows and Glass
  - Heated Glass Element Relay
- Sensors and Switches - Windows and Glass
  - Power Window Switch
- Windows
- Windshield
- Service Precautions
  - Technician Safety Information
    - Cracked Window Caution
    - Window Retention Caution
  - Vehicle Damage Warnings
- Technical Service Bulletins
Wiper and Washer Systems
- Relays and Modules - Wiper and Washer Systems
  - Wiper Relay
- Sensors and Switches - Wiper and Washer Systems
- Washer Fluid Level Switch
- Windshield Washer Hose
- Windshield Washer Pump
- Windshield Washer Reservoir
- Windshield Washer Spray Nozzle
- Windshield Washer Switch
- Wiper Arm
- Wiper Blade
- Wiper Motor
- Wiper Relay
- Wiper Switch
- Testing and Inspection
  - Wiper Arm Tip Pressure Check
  - Wiper Blade Element Check
- Service and Repair
- Diagrams
- Specifications
- Technical Service Bulletins
- Tools and Equipment
Service Precautions
- Technician Safety Information
- Vehicle Damage Warnings
Application and ID
- Registered and Non-Registered Trademarks
- RPO Code List
- Vehicle, Engine and Transmission ID and VIN Location, Derivative and Usage
- Vehicle Certification, Tire Placard, Anti-Theft, and Service Parts ID Label
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
- Programming and Relearning
Locations
- Component Locations
- Connector Locations
  - Master Connector List
  - Connectors By Number
- Ground Locations
  - Master Grounds List
  - Grounds By Number
- Splice Locations
- Harness Locations
Service and Repair
- Procedures
  - Fasteners
  - Thread Inserts
- Removal and Replacement
Diagrams
- Diagram Information and Instructions
  - Master Electrical Schematic Icons
  - General Electrical Diagnosis
- Diagnostic Aids
- Exploded Views
- Connector Views
- Electrical Diagrams
- Fluid Diagrams
  - Automatic Transmission/Transaxle
- Vacuum and Vapor Hose Diagrams
  - Emission Control Systems
    - Emission Hose Routing Diagram
    - Evaporative Emissions Hose Routing Diagram
- Components
- Connectors
  - Master Connector List
  - Connectors By Number
- Grounds
  - Master Grounds List
  - Grounds By Number
- Splices
- Harness
Specifications
- Electrical Specifications
- Mechanical Specifications
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Fluid Type Specifications
Technical Service Bulletins
Tools and Equipment
Diagnostic Trouble Codes