Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures
  • DTC Index
  • Electrical Component Locations
    • Diagnostic Connector (DLC) Locations
    • Electrical Component Locator
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • Connector End Views
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Accessories & Equipment
  • Accessories Control Systems
    • Overhead Console (Service Information)
  • Anti-Theft Systems
    • Audio System (Amplifier) - Electrical Diagnostics
    • Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics - Liberty
    • Intrusion Transceiver Module (ITM) - Electrical Diagnostics
    • Passenger Door Module (PDM) (DMFL/R) - Electrical Diagnostics
    • Power Door Lock System - Non-DTC Diagnostics
    • Power Door Lock System (Service Information)
    • Vehicle Theft Security System (Service Information)
    • Wireless Control Module (WCM) - Electrical Diagnostics
  • Communication Devices
    • (Totally Integrated Power Module (TIPM) - Electrical Diagnostics)
    • Cabin Compartment Node (CCN) - Electrical Diagnostics
    • Can Communication System - Non-DTC Diagnostics
    • Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics - Liberty
    • Electronic Control Modules (Service Information)
    • Electronic Shift Module (ESM) - Electrical Diagnostics
    • Final Drive Control Module (FDCM) - Electrical Diagnostics
    • Hands Free Module (HFM) - Electrical Diagnostics
    • Intrusion Transceiver Module (ITM) - Electrical Diagnostics
    • Memory Seat Module (MSMD) - Electrical Diagnostics
    • Message Center (Service Information)
    • Navigation System & Telecommunication System (Service Information)
    • Occupant Classification Module (OCM) - Electrical Diagnostics
    • Overhead Console (Service Information)
    • Park Assist Module (PTS) - Electrical Diagnostics
    • Passenger Door Module (PDM) (DMFL/R) - Electrical Diagnostics
    • Video Entertainment System (VES) - Electrical Diagnostics
  • Cruise Control Systems
    • Cruise Control System (Service Information)
  • Entertainment Systems
    • Audio System (Amplifier) - Electrical Diagnostics
    • Audio System (Radio) - Electrical Diagnostics
    • Audio System & Video System (Service Information)
    • Cabin Compartment Node (CCN) - Electrical Diagnostics
    • Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics - Liberty
    • Hands Free Module (HFM) - Electrical Diagnostics
    • Passenger Door Module (PDM) (DMFL/R) - Electrical Diagnostics
    • Video Entertainment System (VES) - Electrical Diagnostics
  • Exterior Lights
    • Lighting Systems - Exterior (Service Information)
  • Gauges & Instrument Panels
    • Body - Interior & Exterior
    • Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics - Liberty
    • HOMELINK Universal Transmitter
    • Instrument Cluster (Service Information)
    • Message Center (Service Information)
    • Navigation System & Telecommunication System (Service Information)
    • Overhead Console (Service Information)
  • Headlights
    • Cabin Compartment Node (CCN) - Electrical Diagnostics
    • Lighting Systems - Exterior (Service Information)
  • Heated Glass/Defoggers
    • Cabin Compartment Node (CCN) - Electrical Diagnostics
    • Heated Glass (Service Information)
    • Heated Mirrors (Service Information)
  • Horns
    • Cabin Compartment Node (CCN) - Electrical Diagnostics
    • Horn System (Service Information)
  • Infotainment
    • Audio System (Amplifier) - Electrical Diagnostics
    • Audio System (Radio) - Electrical Diagnostics
    • Audio System & Video System (Service Information)
    • Cabin Compartment Node (CCN) - Electrical Diagnostics
    • Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics - Liberty
    • Hands Free Module (HFM) - Electrical Diagnostics
    • HOMELINK Universal Transmitter
    • Message Center (Service Information)
    • Navigation System & Telecommunication System (Service Information)
    • Overhead Console (Service Information)
    • Passenger Door Module (PDM) (DMFL/R) - Electrical Diagnostics
    • Video Entertainment System (VES) - Electrical Diagnostics
  • Interior/Exterior Trim
    • Body - Interior & Exterior
  • Interior/Illumination Lights
    • Lighting Systems - Interior (Service Information)
  • Memory Modules
    • Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics - Liberty
    • Park Assist Module (PTS) - Electrical Diagnostics
  • Mirrors
    • Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics - Liberty
    • Heated Mirrors (Service Information)
    • Passenger Door Module (PDM) (DMFL/R) - Electrical Diagnostics
    • Power Mirrors (Service Information)
  • Seats
    • Body - Interior & Exterior
    • Cabin Compartment Node (CCN) - Electrical Diagnostics
    • Memory Seat Module (MSMD) - Electrical Diagnostics
    • Occupant Classification Module (OCM) - Electrical Diagnostics
    • Power Seat System (Service Information)
    • Seat Heating System (Service Information)
  • Steering Column Switches
    • Cabin Compartment Node (CCN) - Electrical Diagnostics
  • Warning Systems
    • Chime & Buzzer (Service Information)
  • Window Motors & Regulators
    • Body - Interior & Exterior
    • Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics - Liberty
    • Passenger Door Module (PDM) (DMFL/R) - Electrical Diagnostics
    • Power Windows - Non-DTC-Based Diagnostics
    • Power Windows (Service Information)
  • Wiper/Washer Systems
    • Cabin Compartment Node (CCN) - Electrical Diagnostics
    • Wiper System & Washer System (Service Information)
• Body & Frame
  • Door Locks
    • Audio System (Amplifier) - Electrical Diagnostics
    • Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics - Liberty
    • Intrusion Transceiver Module (ITM) - Electrical Diagnostics
    • Passenger Door Module (PDM) (DMFL/R) - Electrical Diagnostics
    • Power Door Lock System - Non-DTC Diagnostics
    • Power Door Lock System (Service Information)
    • Vehicle Theft Security System (Service Information)
    • Wireless Control Module (WCM) - Electrical Diagnostics
  • Exterior Body Panels
    • Body - Interior & Exterior
  • Exterior/Interior Trim
    • Body - Interior & Exterior
  • Frames, Subframes & Crossmembers
    • Frames & Bumpers
  • Mirrors
    • Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics - Liberty
    • Heated Mirrors (Service Information)
    • Passenger Door Module (PDM) (DMFL/R) - Electrical Diagnostics
    • Power Mirrors (Service Information)
  • Seats
    • Body - Interior & Exterior
    • Cabin Compartment Node (CCN) - Electrical Diagnostics
    • Memory Seat Module (MSMD) - Electrical Diagnostics
    • Occupant Classification Module (OCM) - Electrical Diagnostics
    • Power Seat System (Service Information)
    • Seat Heating System (Service Information)
  • Sun Roof/T-Top/Convertible Top
    • Body - Interior & Exterior
    • Power Top (Service Information)
    • Power Top & Power Sunroof System (Service Information)
    • Sunroof Module (SUNR) - Electrical Diagnostics
  • Windows
    • Body - Interior & Exterior
    • Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics - Liberty
    • Passenger Door Module (PDM) (DMFL/R) - Electrical Diagnostics
    • Power Windows - Non-DTC-Based Diagnostics
    • Power Windows (Service Information)
• Brakes
  • Anti-Lock Brakes
    • Anti-Lock Brake System - Electrical Diagnostics
    • Anti-Lock Brake System (Service Information)
    • Cabin Compartment Node (CCN) - Electrical Diagnostics
  • Mechanical - Hydraulic
    • Mechanical Brake System - Base (Service Information)
  • Parking Brake System
    • Mechanical Brake System - Base (Service Information)
  • Traction Control
    • Anti-Lock Brake System - Electrical Diagnostics
    • Anti-Lock Brake System (Service Information)
    • Cabin Compartment Node (CCN) - Electrical Diagnostics
• Drivelines & Axles
  • Axle Shafts
    • Differential & Driveline
  • Differentials & Drive Axles
    • Cabin Compartment Node (CCN) - Electrical Diagnostics
    • Differential & Driveline
  • Driveshaft & Universal Joints
    • Differential & Driveline
• Electrical
  • Body Electrical
    • Connector End Views
    • Power Distribution
  • Charging Systems
    • Battery System
    • Charging System (Service Information)
  • Component Locations
    • Diagnostic Connector (DLC) Locations
    • Electrical Component Locator
  • Fuses & Circuit Breakers
    • Fuses & Circuit Breakers
    • Vehicle Quick Reference
  • Gauges
    • Body - Interior & Exterior
    • Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics - Liberty
    • HOMELINK Universal Transmitter
    • Instrument Cluster (Service Information)
    • Message Center (Service Information)
    • Navigation System & Telecommunication System (Service Information)
    • Overhead Console (Service Information)
  • Horns
    • Cabin Compartment Node (CCN) - Electrical Diagnostics
    • Horn System (Service Information)
  • Motors, Switches, Relays
    • Connector End Views
    • Power Distribution
  • Starter
    • Starting System - Non-DTC Diagnostics
    • Starting System (Service Information)
  • Wiring Diagrams
    • Connector End Views
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Accessory Drive Belts
    • Engine & Automatic Transmission Cooling System
  • Cooling Fan
    • Engine & Automatic Transmission Cooling System
  • Cooling System (Mechanical)
    • Engine & Automatic Transmission Cooling System
  • Exhaust System
  • Fuel System
  • Mechanical
    • 3.7L Engine (Service Information)
  • Starter
    • Starting System - Non-DTC Diagnostics
    • Starting System (Service Information)
• Engine Performance
  • Emissions
    • EGR Function Testing - Jeep Trucks
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Fuel Delivery
    • Fuel System
  • Ignition System
    • Ignition Control (Service Information)
  • Mode 6 - CHRYSLER
  • Specifications
    • Firing Order & Cylinder Identification
  • System
    • (Electrical Diagnostics - Intermittent Condition, Pre-Diagnostic Troubleshooting Procedure, Pcm/TCM Programming & Powertrain Verification Test)
    • (Electrical Diagnostics - Pcm/ECM/TCM Programming, Pre-Diagnostic Troubleshooting Procedure, ECM Verification Test & Intermittent DTC)
    • Diagnostic Code Index (Gas)
    • DRIVEABILITY - Gas - Non-DTC Diagnostics
    • DTC U1418 (Gas)
    • DTCS P0016 To P0129 (Gas)
    • DTCS P0131 To P0204 (Gas)
    • DTCS P0205 To P0430 (Gas)
    • DTCS P0440 To P0572 (Gas)
    • DTCS P0573 To P0643 (Gas)
    • DTCS P0645 To P1697 (Gas)
    • DTCS P1897 To P2174 (Gas)
    • DTCS P2175 To U1417 (Gas)
    • Emissions Control System
    • O2 Sensor Location & Identification
  • Testing & Diagnosis
    • (Electrical Diagnostics - Intermittent Condition, Pre-Diagnostic Troubleshooting Procedure, Pcm/TCM Programming & Powertrain Verification Test)
    • (Electrical Diagnostics - Pcm/ECM/TCM Programming, Pre-Diagnostic Troubleshooting Procedure, ECM Verification Test & Intermittent DTC)
    • Diagnostic Code Index (Gas)
    • DRIVEABILITY - Gas - Non-DTC Diagnostics
    • DTC U1418 (Gas)
    • DTCS P0016 To P0129 (Gas)
    • DTCS P0131 To P0204 (Gas)
    • DTCS P0205 To P0430 (Gas)
    • DTCS P0440 To P0572 (Gas)
    • DTCS P0573 To P0643 (Gas)
    • DTCS P0645 To P1697 (Gas)
    • DTCS P1897 To P2174 (Gas)
    • DTCS P2175 To U1417 (Gas)
    • Emissions Control System
    • O2 Sensor Location & Identification
  • Tune-Up
    • Ignition Control (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
  • OBD-II Drive Cycles
  • 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
    • Special Tools - DTC-Based Diagnostics
    • Special Tools - Non-DTC-Based Diagnostics
    • Vehicle Data
    • Vehicle Quick Reference
  • Reset Procedures
    • ATEQ TPMS Reset Procedure (Normal Build)
    • BARTEC TPMS Reset Procedure
    • 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
    • HVAC Systems (Service Information)
  • General Servicing
    • Cabin Air Filter
    • HVAC Systems (Service Information)
  • HVAC Control Systems
    • (HVAC Systems - Electrical Diagnostics)
    • HVAC Systems (Service Information)
• Maintenance
  • Procedures
    • Maintenance Reminder Light (Reset Procedures)
    • Vehicle Quick Reference
  • Schedule
    • Vehicle Quick Reference
• Restraints
  • Air Bag, SRS
    • Air Bag Restraint System - Electrical Diagnostics
    • Occupant Classification Module (OCM) - Electrical Diagnostics
    • Restraints System (Service Information)
  • Passive Restraints
    • Restraints System (Service Information)
  • Restraints Control Systems
    • Air Bag Restraint System - Electrical Diagnostics
    • Restraints System (Service Information)
  • Seat Belts
    • Air Bag Restraint System - Electrical Diagnostics
    • Restraints System (Service Information)
• Steering
  • Manual Steering
    • Rack & Pinion Power Steering System
  • Rack & Pinion Power Steering System
  • Steering Column
    • Rack & Pinion Power Steering System
  • Steering Gear
    • Rack & Pinion Power Steering System
  • Steering Linkage
    • Rack & Pinion Power Steering System
• Suspension
  • Front Suspension
  • Rear Suspension
  • Wheel Alignment
    • Front Suspension
  • Wheels & Tire System
    • Tires & Wheels (Service Information)
    • Wireless Control Module (WCM) - Electrical Diagnostics
• Transmission
  • Automatic Trans
    • (Transmission Control Module (TCM) - Electrical Diagnostics)
    • 42RLE Automatic Transmission (Service Information)
    • Electronic Shift Module (ESM) - Electrical Diagnostics
    • Engine & Automatic Transmission Cooling System
    • Powertrain Control Module (Pcm) - Electrical Diagnostics - 42RLE Automatic Transmission
  • Transfer Case
    • Final Drive Control Module (FDCM) - Electrical Diagnostics
    • Mp1522 Transfer Case (Service Information)
  • Transmission Control Systems
    • (Transmission Control Module (TCM) - Electrical Diagnostics)
    • 42RLE Automatic Transmission (Service Information)