Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures - 500E
  • DTC Index - Except 500L
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • Connector End Views & Electrical Component Locations (1 Of 4)
    • Connector End Views & Electrical Component Locations (2 Of 4)
    • Connector End Views & Electrical Component Locations (3 Of 4)
    • Connector End Views & Electrical Component Locations (4 Of 4)
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Accessories & Equipment
  • Anti-Theft Systems
    • Power Locks - (Service Information) - 500E
    • Vehicle Theft Security - (Service Information) - 500E
  • Collision/Avoidance
    • (Park Assist Module (PAM) (PTS/PAM) - Electrical Diagnostics - 500E)
    • Chime/Buzzer/Driver Assist - (Service Information) - 500E
    • Electric Powertrain System - 500E
  • Communication Devices
    • Body Control Module (BCM) - Body Verification Test - 500E
    • Body Control Module (BCM) - Diagnostic Code Index - 500E
    • Body Control Module (BCM) - DTCS B106A-19 To B2229-62 - 500E
    • Body Control Module (BCM) - DTCS B226A-00 To U1493-00 - 500E
    • Communication - Non-DTC Based Diagnostics - 500E
    • Convergence Telematics Module - Electrical Diagnostics - 500E
    • Electric Powertrain System - 500E
    • Electronic Control Modules - (Service Information) - 500E
    • Message Center - (Service Information) - 500E
    • Navigation/Telecommunication - (Service Information) - 500E
    • Regenerative Brake Controller (RBC) - Electrical Diagnostics - 500E
    • Telematics Control Unit - Electrical Diagnostics - 500E
  • Cruise Control Systems
    • Speed Control - (Service Information) - 500E
  • Drivers Assistance Systems - ADAS
    • (Park Assist Module (PAM) (PTS/PAM) - Electrical Diagnostics - 500E)
    • Chime/Buzzer/Driver Assist - (Service Information) - 500E
    • Electric Powertrain System - 500E
  • Entertainment Systems
    • Audio (Radio) - Electrical Diagnostics - 500E
    • Audio/Video/Entertainment/Connectivity - (Service Information) - 500E
    • Convergence Telematics Module - Electrical Diagnostics - 500E
  • Exterior Lights
    • Lamps/Lighting - Exterior - (Service Information) - 500E
  • Gauges & Instrument Panels
    • Body - Interior & Exterior - 500E
    • Instrument Cluster - (Service Information) - 500E
    • Instrument Cluster - Electrical Diagnostics - 500E
    • Message Center - (Service Information) - 500E
    • Navigation/Telecommunication - (Service Information) - 500E
  • Headlights
    • Lamps/Lighting - Exterior - (Service Information) - 500E
  • Heated Glass/Defoggers
    • Heated Glass - (Service Information) - 500E
    • Heated Systems - Non-DTC Based Diagnostics - 500E
  • Horns
    • Horn System - (Service Information) - 500E
  • Ignition Switch/Steering Lock
    • Ignition Switch - (Service Information) - 500E
  • Infotainment
    • Audio (Radio) - Electrical Diagnostics - 500E
    • Audio/Video/Entertainment/Connectivity - (Service Information) - 500E
    • Convergence Telematics Module - Electrical Diagnostics - 500E
    • Message Center - (Service Information) - 500E
    • Navigation/Telecommunication - (Service Information) - 500E
  • Interior/Exterior Trim
    • Body - Interior & Exterior - 500E
  • Interior/Illumination Lights
    • Lamps/Lighting - Interior - (Service Information) - 500E
  • Mirrors
    • Heated Mirrors - (Service Information) - 500E
    • Power Mirrors - (Service Information) - 500E
  • Seats
    • Body - Interior & Exterior - 500E
    • Heated Seats - (Service Information) - 500E
  • Warning Systems
    • (Tire Pressure Module (TPM) - Electrical Diagnostics - 500E)
    • Chime/Buzzer/Driver Assist - (Service Information) - 500E
    • Tires & Wheels - (Service Information) - 500E
  • Window Motors & Regulators
    • Body - Interior & Exterior - 500E
    • Power Windows - (Service Information) - 500E
  • Wiper/Washer Systems
    • Wiper System & Washer System - (Service Information) - 500E
• Body & Frame
  • Door Locks
    • Power Locks - (Service Information) - 500E
    • Vehicle Theft Security - (Service Information) - 500E
  • Exterior Body Panels
    • Body - Interior & Exterior - 500E
  • Exterior/Interior Trim
    • Body - Interior & Exterior - 500E
  • Frames, Subframes & Crossmembers
    • Frame And Bumpers - 500E
  • Ignition Switch/Steering Lock
    • Ignition Switch - (Service Information) - 500E
  • Mirrors
    • Heated Mirrors - (Service Information) - 500E
    • Power Mirrors - (Service Information) - 500E
  • Seats
    • Body - Interior & Exterior - 500E
    • Heated Seats - (Service Information) - 500E
  • Sun Roof/T-Top/Convertible Top
    • Body - Interior & Exterior - 500E
    • Power Top - (Service Information) - 500E
  • Windows
    • Body - Interior & Exterior - 500E
    • Power Windows - (Service Information) - 500E
• Brakes
  • Anti-Lock Brakes
    • Antilock Brake System (Abs) - (Service Information) - 500E
    • Antilock Brake System (Abs) - Electrical Diagnostics - 500E
    • Regenerative Brake Controller (RBC) - Electrical Diagnostics - 500E
  • Brakes Control Systems
    • Antilock Brake System (Abs) - (Service Information) - 500E
  • Mechanical - Hydraulic
    • Base Brakes - (Service Information) - 500E
  • Parking Brake System
    • Base Brakes - (Service Information) - 500E
  • Traction Control
    • Antilock Brake System (Abs) - (Service Information) - 500E
    • Antilock Brake System (Abs) - Electrical Diagnostics - 500E
    • Regenerative Brake Controller (RBC) - Electrical Diagnostics - 500E
• Drivelines & Axles
  • Axle Shafts
    • Half Shaft - 500E
  • Wheel Hubs
    • Front Suspension & Wheel Alignment - 500E
    • Rear Suspension - 500E
• Electrical
  • Body Electrical
    • Circuit Testing Procedures - Non-DTC-Based Diagnostics - 500E
    • Connector End Views & Electrical Component Locations (1 Of 4)
    • Connector End Views & Electrical Component Locations (2 Of 4)
    • Connector End Views & Electrical Component Locations (3 Of 4)
    • Connector End Views & Electrical Component Locations (4 Of 4)
    • Convergence Telematics Module - Electrical Diagnostics - 500E
    • Electric Powertrain System - 500E
    • Electronic Air Compressor (EAC) Module - Electrical Diagnostics - 500E
    • Power Distribution - 500E
    • Power Inverter Module (PIM) - Electrical Diagnostics - 500E
    • Special Tools - Electrical - 500E
    • Telematics Control Unit - Electrical Diagnostics - 500E
  • Charging Systems
    • Battery System - (Service Information) - 500E
  • Gauges
    • Body - Interior & Exterior - 500E
    • Instrument Cluster - (Service Information) - 500E
    • Instrument Cluster - Electrical Diagnostics - 500E
    • Message Center - (Service Information) - 500E
    • Navigation/Telecommunication - (Service Information) - 500E
  • Horns
    • Horn System - (Service Information) - 500E
  • Motors, Switches, Relays
    • Circuit Testing Procedures - Non-DTC-Based Diagnostics - 500E
    • Connector End Views & Electrical Component Locations (1 Of 4)
    • Connector End Views & Electrical Component Locations (2 Of 4)
    • Connector End Views & Electrical Component Locations (3 Of 4)
    • Connector End Views & Electrical Component Locations (4 Of 4)
    • Convergence Telematics Module - Electrical Diagnostics - 500E
    • Electric Powertrain System - 500E
    • Electronic Air Compressor (EAC) Module - Electrical Diagnostics - 500E
    • Power Distribution - 500E
    • Power Inverter Module (PIM) - Electrical Diagnostics - 500E
    • Special Tools - Electrical - 500E
    • Telematics Control Unit - Electrical Diagnostics - 500E
  • Starter
    • Starting - Non-DTC Based Diagnostics - 500E
  • Wiring Diagrams
    • Connector End Views & Electrical Component Locations (1 Of 4)
    • Connector End Views & Electrical Component Locations (2 Of 4)
    • Connector End Views & Electrical Component Locations (3 Of 4)
    • Connector End Views & Electrical Component Locations (4 Of 4)
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Accessory Drive Belts
    • Engine Cooling System - 500E
  • Cooling Fan
    • Engine Cooling System - 500E
  • Cooling System (Mechanical)
    • Electric Powertrain System - 500E
    • Engine Cooling System - 500E
  • Mechanical
    • Engine Cooling System - 500E
  • Starter
    • Starting - Non-DTC Based Diagnostics - 500E
• Engine Performance
  • Emissions
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Specifications
    • Firing Order & Cylinder Identification
  • System
    • Battery Pack Control Module (BPCM) - Diagnostic Code Index - 500E
    • Battery Pack Control Module (BPCM) - DTCS P00B2-00 To P0C76-00 - 500E
    • Battery Pack Control Module (BPCM) - P0C77-00 To U1488-00 - 500E
    • Battery Pack Control Module (BPCM) - Pre-Diagnostic Troubleshooting Procedure, Intermittent Condition, BPCM Programming & BPCM Verification Test - 500E
    • Electric Powertrain System - 500E
    • Electric Vehicle Control Unit (EVCU) Module - Diagnostic Code Index - 500E
    • Electric Vehicle Control Unit (EVCU) Module - DTCS B12A4-11 To P1138-00 - 500E
    • Electric Vehicle Control Unit (EVCU) Module - DTCS P1139-00 To U1487-00 - 500E
    • Electric Vehicle Control Unit (EVCU) Module - Pre-Diagnostic Troubleshooting Procedure, Verification Test & Intermittent Condition - 500E
    • On-Board-Charging Module (OBCM) - Electrical Diagnostics - 500E
    • Regenerative Brake Controller (RBC) - Electrical Diagnostics - 500E
  • Testing & Diagnosis
    • Battery Pack Control Module (BPCM) - Diagnostic Code Index - 500E
    • Battery Pack Control Module (BPCM) - DTCS P00B2-00 To P0C76-00 - 500E
    • Battery Pack Control Module (BPCM) - P0C77-00 To U1488-00 - 500E
    • Battery Pack Control Module (BPCM) - Pre-Diagnostic Troubleshooting Procedure, Intermittent Condition, BPCM Programming & BPCM Verification Test - 500E
    • Electric Powertrain System - 500E
    • Electric Vehicle Control Unit (EVCU) Module - Diagnostic Code Index - 500E
    • Electric Vehicle Control Unit (EVCU) Module - DTCS B12A4-11 To P1138-00 - 500E
    • Electric Vehicle Control Unit (EVCU) Module - DTCS P1139-00 To U1487-00 - 500E
    • Electric Vehicle Control Unit (EVCU) Module - Pre-Diagnostic Troubleshooting Procedure, Verification Test & Intermittent Condition - 500E
    • On-Board-Charging Module (OBCM) - Electrical Diagnostics - 500E
    • Regenerative Brake Controller (RBC) - Electrical Diagnostics - 500E
• 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 - Except 500L
  • 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 - 500E
  • 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 - 500E
    • Electric Powertrain System - 500E
    • Electric Vehicle Control Unit (EVCU) Module - Pre-Diagnostic Troubleshooting Procedure, Verification Test & Intermittent Condition - 500E
    • On-Board-Charging Module (OBCM) - Electrical Diagnostics - 500E
    • Power Inverter Module (PIM) - Electrical Diagnostics - 500E
    • Regenerative Brake Controller (RBC) - Electrical Diagnostics - 500E
    • Special Tools - Non-DTC-Based Diagnostics - 500E
    • Telematics Control Unit - Electrical Diagnostics - 500E
    • Vehicle Data - 500E
    • Vehicle Quick Reference - 500E
  • Reset Procedures
    • ATEQ TPMS Reset Procedure
    • BARTEC TPMS Reset Procedure
    • Maintenance Reminder Light (Reset Procedures)
    • Tire Pressure Monitor Systems
  • Specifications Index
    • Common Specs & Procedures - 500E
  • Steering
    • Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
    • Wheel Alignment Theory & Operation - General Information
  • Towing
    • Vehicle Quick Reference - 500E
  • Traction Control Disable Procedures
  • Trouble Shooting - Manual Transmission - General Information
• Heating, Ventilation & A/C (HVAC)
  • A/C Compressor
    • Electronic Air Compressor (EAC) Module - Electrical Diagnostics - 500E
    • Heating & Air Conditioning - (Service Information) - 500E
    • Heating & Air Conditioning - Non-DTC Diagnostics - 500E
  • General Servicing
    • Heating & Air Conditioning - (Service Information) - 500E
    • Heating & Air Conditioning - Non-DTC Diagnostics - 500E
  • HVAC Control Systems
    • (Heating & Air Conditioning - Electrical Diagnostics - 500E)
    • Electric Powertrain System - 500E
    • Heating & Air Conditioning - (Service Information) - 500E
    • Heating & Air Conditioning - Non-DTC Diagnostics - 500E
• Maintenance
  • Procedures
    • Maintenance Reminder Light (Reset Procedures)
    • Vehicle Quick Reference - 500E
• Restraints
  • Air Bag, SRS
    • Occupant Restraint Controller (Orc) - Diagnostic Code Index - 500E
    • Occupant Restraint Controller (Orc) - DTCS B0101-16 To B0116-1B - 500E
    • Occupant Restraint Controller (Orc) - DTCS B0118-95 To U0127-00 - 500E
    • Occupant Restraint Controller (Orc) - Restraints System Intermittent Test, Pre-Diagnostic Procedure & Verification Test - 500E
    • Restraints - (Service Information) - 500E
  • Passive Restraints
    • Restraints - (Service Information) - 500E
  • Restraints Control Systems
    • Occupant Restraint Controller (Orc) - Diagnostic Code Index - 500E
    • Occupant Restraint Controller (Orc) - DTCS B0101-16 To B0116-1B - 500E
    • Occupant Restraint Controller (Orc) - DTCS B0118-95 To U0127-00 - 500E
    • Occupant Restraint Controller (Orc) - Restraints System Intermittent Test, Pre-Diagnostic Procedure & Verification Test - 500E
    • Restraints - (Service Information) - 500E
  • Seat Belts
    • Occupant Restraint Controller (Orc) - Diagnostic Code Index - 500E
    • Occupant Restraint Controller (Orc) - DTCS B0101-16 To B0116-1B - 500E
    • Occupant Restraint Controller (Orc) - DTCS B0118-95 To U0127-00 - 500E
    • Occupant Restraint Controller (Orc) - Restraints System Intermittent Test, Pre-Diagnostic Procedure & Verification Test - 500E
    • Restraints - (Service Information) - 500E
• Steering
  • Electronic Steering
    • Electronic Power Steering (EPS) Module - Electrical Diagnostics - 500E
  • Manual Steering
    • Steering System - 500E
  • Power Steering
    • Steering System - 500E
  • Steering Column
    • Steering System - 500E
  • Steering Gear
    • Steering System - 500E
  • Steering Linkage
    • Steering System - 500E
• Suspension
  • Front Suspension & Wheel Alignment - 500E
  • Rear Suspension - 500E
  • Wheel Alignment
    • Fiat Wheel Alignment Specifications - 500E
    • Front Suspension & Wheel Alignment - 500E
  • Wheels & Tire System
    • (Tire Pressure Module (TPM) - Electrical Diagnostics - 500E)
    • Tires & Wheels - (Service Information) - 500E
• Transmission
  • Automatic Trans
    • Electric Powertrain System - 500E
    • Engine Cooling System - 500E
• External Pages