Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Jeep Renegade Islander, FWDFACTORY OEM SERVICE PROCEDURE
Repair and Diagnosis
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Quick Lookups- Accessories & Equipment
- Anti-Theft Systems
- Collision/Avoidance
- (Active Cruise Control (Acc) Module - Electrical Diagnostics)
- (Forward Facing Camera Module (FFCM) - Electrical Diagnostics)
- (Left Blind Spot Sensor Module (LBSS) (BSM) - Electrical Diagnostics)
- (Park Assist Module (PAM) - 12 Channel - Electrical Diagnostics)
- (Park Assist Module (PAM) - 4 Channel - Electrical Diagnostics)
- (Right Blind Spot Sensor Module (RBSS) (BSM) - Electrical Diagnostics)
- Audio/Video/Entertainment/Connectivity (Service Information)
- Chime/Buzzer/Driver Assist (Service Information)
- Electronic Control Modules (Service Information)
- Speed Control (Service Information)
- Communication Devices
- (Drivetrain Control Module (DTCM) - Electrical Diagnostics)
- (Security Gateway Module (SGW) - Electrical Diagnostics)
- Body Control Module (BCM) - Communication Pre-Diagnostic Procedure & Body Verification Test
- Body Control Module (BCM) - Diagnostic Code Index
- Body Control Module (BCM) - DTCS B1000-44 To B1045-19
- Body Control Module (BCM) - DTCS B1046-64 To B1166-71
- Body Control Module (BCM) - DTCS B1167-24 To U1408-96
- Body Control Module (BCM) - DTCS U1411-09 To U1990-83
- Communication - Non-DTC Based Diagnostics
- Electronic Control Modules (Service Information)
- Message Center (Service Information)
- Navigation/Telecommunication (Service Information)
- Cruise Control Systems
- Drivers Assistance Systems - ADAS
- (Active Cruise Control (Acc) Module - Electrical Diagnostics)
- (Forward Facing Camera Module (FFCM) - Electrical Diagnostics)
- (Left Blind Spot Sensor Module (LBSS) (BSM) - Electrical Diagnostics)
- (Park Assist Module (PAM) - 12 Channel - Electrical Diagnostics)
- (Park Assist Module (PAM) - 4 Channel - Electrical Diagnostics)
- (Right Blind Spot Sensor Module (RBSS) (BSM) - Electrical Diagnostics)
- Audio/Video/Entertainment/Connectivity (Service Information)
- Chime/Buzzer/Driver Assist (Service Information)
- Electronic Control Modules (Service Information)
- Speed Control (Service Information)
- Entertainment Systems
- (Amplifier (Amp) - Electrical Diagnostics)
- (Audio (Radio) (ETM) - Electrical Diagnostics)
- (Audio (Radio) (RRM) - Electrical Diagnostics)
- (Integrated Center Stack Module - Electrical Diagnostics)
- (Radio Frequency Module (RF Hub) - Electrical Diagnostics)
- Audio/Video - Non-DTC Based Diagnostics
- Audio/Video/Entertainment/Connectivity (Service Information)
- Exterior Lights
- Gauges & Instrument Panels
- Headlights
- Heated Glass/Defoggers
- Horns
- Ignition Switch/Steering Lock
- Infotainment
- (Amplifier (Amp) - Electrical Diagnostics)
- (Audio (Radio) (ETM) - Electrical Diagnostics)
- (Audio (Radio) (RRM) - Electrical Diagnostics)
- (Integrated Center Stack Module - Electrical Diagnostics)
- (Radio Frequency Module (RF Hub) - 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
- Interior/Illumination Lights
- Power Mirrors (Service Information)
- Seats
- Warning Systems
- Window Motors & Regulators
- Wiper/Washer Systems
- Body & Frame
- Brakes
- Drivelines & Axles
- Electrical
- Engine Mechanical
- Engine Performance
- Emissions
- Fuel Delivery
- 2.4L Ignition System
- Specifications
- System
- 2.4L - Diagnostic Code Index
- 2.4L - DTCS C0061 To P0304
- 2.4L - DTCS P0325 To P0645
- 2.4L - DTCS P0652 To P1457
- 2.4L - DTCS P1500 To P2246
- 2.4L - DTCS P2251 To U1504
- 2.4L - Intermittent Condition, Powertrain Verification Test & Pre-Diagnostic Troubleshooting Procedure
- 2.4L Emissions Control
- DRIVEABILITY - Non-DTC Based Diagnostics
- Testing & Diagnosis
- 2.4L - Diagnostic Code Index
- 2.4L - DTCS C0061 To P0304
- 2.4L - DTCS P0325 To P0645
- 2.4L - DTCS P0652 To P1457
- 2.4L - DTCS P1500 To P2246
- 2.4L - DTCS P2251 To U1504
- 2.4L - Intermittent Condition, Powertrain Verification Test & Pre-Diagnostic Troubleshooting Procedure
- 2.4L Emissions Control
- DRIVEABILITY - Non-DTC Based Diagnostics
- Tune-Up
- General Information
- Abbreviations
- Basic Trouble Shooting
- Brakes
- Check Lists
- Driveline/Axles
- DTC Index
- Electrical
- Engine
- 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)
- Hoist/Jack
- Identification
- Metric Conversions
- OEM General Information
- (Global Telematics Box Module - Electrical Diagnostics)
- Circuit Testing Procedures - Non-DTC-Based Diagnostics
- Emergency Assistance/Telematics
- Noise, Vibration, Harshness
- Pre-Diagnostic Troubleshooting Procedure & Testing For An Intermittent Condition
- Six Step Diagnostic Process
- Vehicle Data
- Vehicle Quick Reference
- Maintenance Reminder Light (Reset Procedures)
- Specifications Index
- Steering
- Towing
- Traction Control Disable Procedures
- Trouble Shooting - Manual Transmission - General Information
- Heating, Ventilation & A/C (HVAC)
- A/C Compressor
- General Servicing
- HVAC Control Systems
- Heating & Air Conditioning - Diagnostic Code Index
- Heating & Air Conditioning - DTCS B1030-11 To B1912-11
- Heating & Air Conditioning - DTCS B1912-15 To U2031-87
- Heating & Air Conditioning - HVAC Module Self Learn Procedure, HVAC Verification Test & Pre-Diagnostic Troubleshooting Procedure
- Heating & Air Conditioning (Service Information)
- Maintenance
- Restraints
- Air Bag, SRS
- Occupant Restraint Controller (Orc) - Diagnostic Code Index
- Occupant Restraint Controller (Orc) - DTCS B0004-01 To B0106-01
- Occupant Restraint Controller (Orc) - DTCS B0106-11 To B0124-1A
- Occupant Restraint Controller (Orc) - DTCS B0124-1B To U1932-86
- Occupant Restraint Controller (Orc) - Restraints System Intermittent Test, Pre-Diagnostic Procedure & Verification Test
- Restraints System (Service Information)
- Passive Restraints
- Restraints Control Systems
- Occupant Restraint Controller (Orc) - Diagnostic Code Index
- Occupant Restraint Controller (Orc) - DTCS B0004-01 To B0106-01
- Occupant Restraint Controller (Orc) - DTCS B0106-11 To B0124-1A
- Occupant Restraint Controller (Orc) - DTCS B0124-1B To U1932-86
- Occupant Restraint Controller (Orc) - Restraints System Intermittent Test, Pre-Diagnostic Procedure & Verification Test
- Restraints System (Service Information)
- Seat Belts
- Occupant Restraint Controller (Orc) - Diagnostic Code Index
- Occupant Restraint Controller (Orc) - DTCS B0004-01 To B0106-01
- Occupant Restraint Controller (Orc) - DTCS B0106-11 To B0124-1A
- Occupant Restraint Controller (Orc) - DTCS B0124-1B To U1932-86
- Occupant Restraint Controller (Orc) - Restraints System Intermittent Test, Pre-Diagnostic Procedure & Verification Test
- Restraints System (Service Information)
- Air Bag, SRS
- Steering
- Suspension
- Transmission
- Automatic Trans
- 2.4L Cooling System
- 948TE Automatic Transmission - Diagnostic Code Index
- 948TE Automatic Transmission - DTCS P0219-00 To P1B13-00
- 948TE Automatic Transmission - DTCS P1B14-00 To U1932-00
- 948TE Automatic Transmission - Pre-Diagnostic Troubleshooting Procedure, Transmission Verification Test & TCM Adaptation
- 948TE Automatic Transmission (Service Information)
- Electronic Shift Module (ESM) - Electrical Diagnostics)
- Transfer Case
- Transmission Control Systems
- Automatic Trans
- External Pages
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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