Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures
  • DTC Index
  • Connector End Views & Electrical Component Locations (1 Of 1)
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • Connector End Views & Electrical Component Locations (1 Of 1)
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Accessories & Equipment
  • Anti-Theft Systems
    • (Intrusion Transceiver Module (ITM) - Electrical Diagnostics)
    • (Wireless Control Module (WCM) - Electrical Diagnostics)
    • Power Doors - Non-DTC Based Diagnostics
    • Power Locks (Service Information)
    • Vehicle Theft Security (Service Information)
  • Collision/Avoidance
    • Chime/Buzzer/Driver Assist (Service Information)
  • Communication Devices
    • (Cabin Compartment Node (CCN) - Electrical Diagnostics)
    • (Totally Integrated Power Module (TIPM) - Electrical Diagnostics)
    • Communication - Non-DTC Based Diagnostics
    • Electronic Control Modules (Service Information)
    • Message Center (Service Information)
    • Navigation/Telecommunication (Service Information)
  • Cruise Control Systems
    • Speed Control (Service Information)
  • Drivers Assistance Systems - ADAS
    • Chime/Buzzer/Driver Assist (Service Information)
  • Entertainment Systems
    • (Amplifier (Amp) - Electrical Diagnostics - Base)
    • (Audio (Radio) - Electrical Diagnostics)
    • (Hands Free Module (HFM) - Electrical Diagnostics)
    • Audio/Video - Non-DTC Based Diagnostics
    • Audio/Video/Entertainment/Connectivity (Service Information)
  • Exterior Lights
    • Lamps/Lighting - Exterior (Service Information)
  • Gauges & Instrument Panels
    • Body - Interior & Exterior
    • Instrument Cluster (Service Information)
    • Message Center (Service Information)
    • Navigation/Telecommunication (Service Information)
  • Headlights
    • Lamps/Lighting - Exterior (Service Information)
  • Heated Glass/Defoggers
    • Heated Glass (Service Information)
    • Heated Systems - Non-DTC Based Diagnostics
  • Horns
    • Horn System (Service Information)
  • Infotainment
    • (Amplifier (Amp) - Electrical Diagnostics - Base)
    • (Audio (Radio) - Electrical Diagnostics)
    • (Hands Free Module (HFM) - Electrical Diagnostics)
    • Audio/Video - Non-DTC Based Diagnostics
    • Audio/Video/Entertainment/Connectivity (Service Information)
    • Message Center (Service Information)
    • Navigation/Telecommunication (Service Information)
  • Interior/Exterior Trim
    • Body - Interior & Exterior
  • Interior/Illumination Lights
    • Lamps/Lighting - Interior (Service Information)
  • Heated Mirrors (Service Information)
  • Seats
    • Body - Interior & Exterior
    • Heated Seats (Service Information)
  • Warning Systems
    • (Tire Pressure Module (TPM) - Electrical Diagnostics)
    • Chime/Buzzer/Driver Assist (Service Information)
    • Tires & Wheels (Service Information)
  • Window Motors & Regulators
    • Body - Interior & Exterior
    • Power Windows (Service Information)
  • Wiper/Washer Systems
    • Wiper System & Washer System (Service Information)
• Body & Frame
  • Door Locks
    • (Intrusion Transceiver Module (ITM) - Electrical Diagnostics)
    • (Wireless Control Module (WCM) - Electrical Diagnostics)
    • Power Doors - Non-DTC Based Diagnostics
    • Power Locks (Service Information)
    • Vehicle Theft Security (Service Information)
  • Exterior Body Panels
    • Body - Interior & Exterior
  • Exterior/Interior Trim
    • Body - Interior & Exterior
  • Frames, Subframes & Crossmembers
    • Frame And Bumpers
  • Heated Mirrors (Service Information)
  • Seats
    • Body - Interior & Exterior
    • Heated Seats (Service Information)
  • Sun Roof/T-Top/Convertible Top
    • Body - Interior & Exterior
  • Windows
    • Body - Interior & Exterior
    • Power Windows (Service Information)
• Brakes
  • Anti-Lock Brakes
    • Antilock Brake System (Abs) (Electrical Diagnostics)
    • Antilock Brake System (Abs) (Service Information)
  • Brakes Control Systems
    • Antilock Brake System (Abs) (Service Information)
  • Mechanical - Hydraulic
    • Base Brakes (Service Information)
  • Parking Brake System
    • Base Brakes (Service Information)
  • Traction Control
    • Antilock Brake System (Abs) (Electrical Diagnostics)
    • Antilock Brake System (Abs) (Service Information)
• Drivelines & Axles
  • Differentials & Drive Axles
    • Front Axle - 186FBI
    • Front Axle - 216FBI
    • Rear Axle
  • Driveshaft & Universal Joints
    • Propeller Shaft
  • Wheel Hubs
    • Front Suspension & Wheel Alignment
    • Rear Suspension
• Electrical
  • Body Electrical
    • Circuit Testing Procedures - Non-DTC-Based Diagnostics
    • Connector End Views & Electrical Component Locations (1 Of 1)
    • Power Distribution
    • Special Tools - Electrical
  • Charging Systems
    • Battery System (Service Information)
    • Charging System (Service Information)
  • Connector End Views & Electrical Component Locations (1 Of 1)
  • Fuses & Circuit Breakers
    • Connector End Views & Electrical Component Locations (1 Of 1)
    • Vehicle Quick Reference
  • Gauges
    • Body - Interior & Exterior
    • Instrument Cluster (Service Information)
    • Message Center (Service Information)
    • Navigation/Telecommunication (Service Information)
  • Horns
    • Horn System (Service Information)
  • Motors, Switches, Relays
    • Circuit Testing Procedures - Non-DTC-Based Diagnostics
    • Connector End Views & Electrical Component Locations (1 Of 1)
    • Power Distribution
    • Special Tools - Electrical
  • Starter
    • Starting - Non-DTC Based Diagnostics
    • Starting System (Service Information)
  • Wiring Diagrams
    • Connector End Views & Electrical Component Locations (1 Of 1)
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Accessory Drive Belts
    • Engine Cooling System
  • Cooling Fan
    • Engine Cooling System
  • Cooling System (Mechanical)
    • Engine Cooling System
  • Exhaust System
  • Fuel System
  • Mechanical
    • 3.6L Engine (Service Information)
    • Engine Cooling System
    • Fuel System
  • Starter
    • Starting - Non-DTC Based Diagnostics
    • Starting System (Service Information)
• Engine Performance
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Fuel Delivery
    • Fuel System
  • Ignition System (Service Information)
  • Mode 6 - Gas
  • Specifications
    • Firing Order & Cylinder Identification
  • System
    • 3.6L - Diagnostic Code Index
    • 3.6L - DTCS P000A To P0153
    • 3.6L - DTCS P0155 To P0455
    • 3.6L - DTCS P0456 To P0642
    • 3.6L - DTCS P0643 To P2122
    • 3.6L - DTCS P2123 To U1418
    • 3.6L - Intermittent Condition, Powertrain Verification Test & Pre-Diagnostic Troubleshooting Procedure
    • DRIVEABILITY - Gas - Non-DTC Based Diagnostics
    • Emissions Control
  • Testing & Diagnosis
    • 3.6L - Diagnostic Code Index
    • 3.6L - DTCS P000A To P0153
    • 3.6L - DTCS P0155 To P0455
    • 3.6L - DTCS P0456 To P0642
    • 3.6L - DTCS P0643 To P2122
    • 3.6L - DTCS P2123 To U1418
    • 3.6L - Intermittent Condition, Powertrain Verification Test & Pre-Diagnostic Troubleshooting Procedure
    • DRIVEABILITY - Gas - Non-DTC Based Diagnostics
    • Emissions Control
  • Tune-Up
    • Ignition System (Service Information)
• 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
    • Vehicle Quick Reference
  • Identification
    • CANADIAN Model Cross-Reference
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • OEM General Information
    • Automatic Stop/Start Disable
    • Circuit Testing Procedures - Non-DTC-Based Diagnostics
    • Pre-Diagnostic Troubleshooting Procedure & Testing For An Intermittent Condition
    • Scan Tool - Non-DTC-Based Diagnostics
    • Vehicle Data
    • Vehicle Quick Reference
  • Reset Procedures
    • Maintenance Reminder Light (Reset Procedures)
    • Tire Pressure Monitor Systems
  • Specifications Index
    • Common Specs & Procedures
  • Steering
    • Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
    • Wheel Alignment Theory & Operation - General Information
  • Towing
    • Vehicle Quick Reference
  • Traction Control Disable Procedures
  • Trouble Shooting - Manual Transmission - General Information
• Heating, Ventilation & A/C (HVAC)
  • A/C Compressor
    • Heating & Air Conditioning (Service Information)
  • General Servicing
    • Heating & Air Conditioning (Service Information)
  • HVAC Control Systems
    • (Heating & Air Conditioning - Electrical Diagnostics)
    • Heating & Air Conditioning - Non-DTC Diagnostics
    • Heating & Air Conditioning (Service Information)
• Maintenance
  • Procedures
    • Maintenance Reminder Light (Reset Procedures)
    • Vehicle Quick Reference
• Restraints
  • Air Bag, SRS
    • (Occupant Restraint Controller (Orc) - Electrical Diagnostics)
    • Restraints System (Service Information)
  • Passive Restraints
    • Restraints System (Service Information)
  • Restraints Control Systems
    • (Occupant Restraint Controller (Orc) - Electrical Diagnostics)
    • Restraints System (Service Information)
  • Seat Belts
    • (Occupant Restraint Controller (Orc) - Electrical Diagnostics)
    • Restraints System (Service Information)
• Steering
  • Manual Steering
    • Steering System
  • Power Steering
    • Steering System
  • Steering Column
    • (Steering Control Module (SCM) - Electrical Diagnostics)
    • Steering System
  • Steering Control Systems
    • (Steering Control Module (SCM) - Electrical Diagnostics)
  • Steering Gear
    • Steering System
  • Steering Linkage
    • Steering System
• Suspension
  • Front Suspension & Wheel Alignment
  • Rear Suspension
  • Suspension Control Systems
    • (Automatic Sway Bar System (ASBS) - Electrical Diagnostics)
  • Wheel Alignment
    • Front Suspension & Wheel Alignment
    • Jeep Wheel Alignment Specifications - Wrangler
  • Wheels & Tire System
    • (Tire Pressure Module (TPM) - Electrical Diagnostics)
    • Tires & Wheels (Service Information)
• Transmission
  • Automatic Trans
    • (Electronic Shift Module (ESM) - Electrical Diagnostics)
    • (Transmission Control Module (TCM) - Electrical Diagnostics)
    • Engine Cooling System
    • Nag1 Automatic Transmission (Service Information)
  • NV241 Or Transfer Case (Service Information)
  • Transmission Control Systems
    • Nag1 Automatic Transmission (Service Information)
• External Pages