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.
2020 Fiat 500L LoungeFACTORY OEM SERVICE PROCEDURE
External Pages
These are pages that do not belong to the exact selected vehicle (2020 Fiat 500L Lounge), but are still accessible from a link in your vehicle's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle.
- Different car
- Section 1 (Body Control Module (BCM) - Communication Pre-Diagnostic Procedure & Body Verification Test)
- Section 2 (Vehicle Theft Security (Service Information))
- Section 3 (Body Control Module (BCM) - DTCS B10B3-14 To B1815-15)
- Section 4 (Antilock Brake System (Abs) (Service Information))
- Section 5 (Restraints System (Service Information))
- Section 6 (Base Brakes (Service Information))
- Section 7 (Vehicle Quick Reference)
- Section 8 ((Antilock Brake System (Abs) - Electrical Diagnostics))
- Section 9 (Instrument Cluster (Service Information))
- Section 10 (Electronic Control Modules (Service Information))
- Section 11 (Wiper System & Washer System (Service Information))
- Section 12 (Body - Interior & Exterior)
- Section 13 (Battery (Service Information))
- Section 14 (Power Windows (Service Information))
- Section 15 (Frame And Bumpers)
- Section 16 (Front Suspension & Wheel Alignment)
- Section 17 (Steering System)
- Section 18 (Tires & Wheels (Service Information))
- Section 19 (Exhaust System)
- Section 20 ((Steering Control Module (SCM) - Electrical Diagnostics))
- Section 21 (Pre-Diagnostic Troubleshooting Procedure & Testing For An Intermittent Condition)
- Section 22 (Lamps/Lighting - Exterior (Service Information))
- Section 23 (Horn System (Service Information))
- Section 24 (Speed Control (Service Information))
- Section 25 (Communication - Non-DTC Based Diagnostics)
- Section 26 (Heating & Air Conditioning (Service Information))
- Section 27 (Circuit Testing Procedures - Non-DTC-Based Diagnostics)
- Section 28 (Lamps/Lighting - Interior (Service Information))
- Section 29 (2.4L - Diagnostic Code Index)
- Section 30 (2.4L - DTCS P000A To P0223)
- Section 31 (2.4L - DTCS P0298 To P061C)
- Section 32 (2.4L - DTCS P0622 To P2118)
- Section 33 (2.4L - DTCS P2122 To U1418)
- Section 34 (Charging System (Service Information))
- Section 35 (Cooling System)
- Section 36 ((Heated Seat Module (HSM) - Electrical Diagnostics))
- Section 37 (Heated Seats (Service Information))
- Section 38 ((Tire Pressure Module (TPM) - Electrical Diagnostics))
- Section 39 (Message Center (Service Information))
- Section 40 (Vehicle Data)
- Section 41 (Audio/Video - Non-DTC Based Diagnostics)
- Section 42 ((Telematics Gateway Module - Electrical Diagnostics))
- Section 43 (Audio/Video/Entertainment/Connectivity (Service Information))
- Section 44 (Rear Suspension)
- Section 45 (Occupant Restraint Controller (Orc) - DTCS B0001-11 To B007F-11)
- Section 46 ((Security Gateway Module (SGW) - Electrical Diagnostics))
- Section 47 (Power Locks (Service Information))
- Section 48 (Chime/Buzzer/Driver Assist (Service Information))
- Section 49 (DRIVEABILITY - Gas - Non-DTC Based Diagnostics)
- Section 50 (Fuel System)
- Section 51 (Power Top/Sunroof (Service Information))
- Section 52 (Ignition System (Service Information))
- Section 53 ((Automatic Transmission - Electrical Diagnostics))
- Section 54 (Automatic Transmission (Service Information))
- Section 55 (Power Distribution)
- Section 56 (Front Half Shaft)
- Section 57 (Starting System (Service Information))
- Section 58 (Starting - Non-DTC Based Diagnostics)
- Section 59 ((Radio Frequency (RF Hub) Module - Electrical Diagnostics))
- Section 60 (Occupant Restraint Controller (Orc) - Restraints System Intermittent Test, Pre-Diagnostic Procedure & Verification Test)
- Section 61 ((Drivetrain Control Module (DTCM) - Electrical Diagnostics))
- Section 62 ((Heating & Air Conditioning - Electrical Diagnostics))
- Section 63 (Body Control Module (BCM) - Diagnostic Code Index)
- Section 64 (Body Control Module (BCM) - DTCS B1818-11 To U1433-24)
- Section 65 (2.4L Engine (Service Information))
- Section 66 (Emissions Control)
- Section 67 (Universal Transmitter)
- Section 68 (2.4L - Pcm/TCM Programming, Intermittent Condition & Powertrain Verification Test)
- Section 69 ((Body Control Module (BCM) - Electrical Diagnostics))
- Section 70 (Body - Interior & Exterior)
- Section 71 (Battery System (Service Information))
- Section 72 (1.4L Engine (Service Information))
- Section 73 (Electronic Control Modules (Service Information))
- Section 74 (P66M-D Manual Transmission (Service Information))
- Section 75 (Propeller Shaft)
- Section 76 (Frame And Bumpers)
- Section 77 (Starting (Service Information))
- Section 78 (Chime/Buzzer/Driver Assist (Service Information))
- Section 79 ((Blind Spot Module (BSM) - Electrical Diagnostics))
- Section 80 (Exhaust System)
- Section 81 (Vehicle Quick Reference)
- Section 82 (Tires & Wheels (Service Information))
- Section 83 (Fuel System)
- Section 84 (Base Brakes (Service Information))
- Section 85 (Vehicle Data)
- Section 86 (1.4L - DTCS P1043-00 To P2116-00)
- Section 87 (1.4L - Intermittent Condition, Powertrain Verification Test & Pre-Diagnostic Troubleshooting Procedure)
- Section 88 (Cooling System)
- Section 89 (DRIVEABILITY - Gas - Non-DTC Based Diagnostics)
- Section 90 (Lamps/Lighting - Exterior (Service Information))
- Section 91 (1.4L - DTCS P0016-00 To P0271-00)
- Section 92 (Clutch System)
- Section 93 ((Instrument Cluster - Electrical Diagnostics))
- Section 94 (Instrument Cluster (Service Information))
- Section 95 (Anti-Lock Brakes (Abs) (Service Information))
- Section 96 (Rear Suspension)
- Section 97 (Steering System)
- Section 98 (Heating & Air Conditioning (Service Information))
- Section 99 ((Anti-Lock Brakes (Abs) - Electrical Diagnostics))
- Section 100 (1.4L - DTCS P0298-00 To P060B-00)
- Section 101 (1.4L - DTCS P060C-00 To P1042-00)
- Section 102 (1.4L - DTCS P2122-00 To U11E0-00)
- Section 103 ((Aw6R31 Automatic Transmission Control Module (TCM) - Electrical Diagnostics))
- Section 104 ((Audio (Radio) (ETM) - Electrical Diagnostics))
- Section 105 (Navigation/Telecommunication (Service Information))
- Section 106 (Ignition System (Service Information))
- Section 107 (Audio/Video/Entertainment/Connectivity (Service Information))
- Section 108 (Circuit Testing Procedures - Non-DTC-Based Diagnostics)
- Section 109 (Restraints (Service Information))
- Section 110 (Power Windows (Service Information))
- Section 111 (Wipers & Washers System (Service Information))
- Section 112 (Aw6R31 Automatic Transmission (Service Information))
- Section 113 (Horn System (Service Information))
- Section 114 (Emissions Control)
- Section 115 (Charging (Service Information))
- Section 116 (Front Suspension & Wheel Alignment)
- Section 117 (Power Locks (Service Information))
- Section 118 (1.4L - Diagnostic Code Index)
- Section 119 (Lamps/Lighting - Interior (Service Information))
- Section 120 (Rear Half Shaft)
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.