Auto User Guide

2018 Fiat 500X Fuses and Fuse Box | Replacing a blown fuse

Fiat-logo

2018 Fiat 500X Fuses and Fuse Box | Replacing a Blown Fuse

Like all modern cars, the 2018 Fiat 500X has a complicated electrical system that relies on many fuses to keep its computer parts working properly. The fuse box is where these fuses are kept. The fuse box is an important part that controls and sends electricity to all parts of the car. The fuse box is placed smartly to keep sensitive electrical connections safe from overloads and to keep important systems from getting damaged. When there is an increase in current in a certain circuit, a fuse will blow. This stops the flow of electricity and stops any more damage from happening. Replacement of a blown fuse in a 2018 Fiat 500X is a simple maintenance job that only requires finding the bad fuse, opening the fuse box, and replacing it with a new one of the right rating. Taking care of the fuses regularly keeps the electrical systems in the car reliable and working well.

2023 Fiat 500X Review, Price, Features And Mileage (Brochure)

FUSES

WARNING!

  • When replacing a blown fuse, always use an appropriate replacement fuse with the same amp rating as the original fuse. Never replace a fuse with another fuse of a higher amp rating. Never replace a blown fuse with metal wires or any other material. Failure to use proper fuses may result in serious personal injury, fire, and/or property damage.
  • Before replacing a fuse, make sure that the ignition is off and that all the other services are switched off and/or disengaged.
  • If the replaced fuse blows again, contact an authorized dealer.
  • If a general protection fuse for safety systems (air bag system, braking system), power unit systems (engine system, gearbox system), or steering system blows, contact an authorized dealer.

General Information
The fuses protect electrical systems against excessive current.
When a device does not work, you must check the electrical circuit inside the fuse for a break/melt.
Also please be aware that when using power outlets for extended periods with the engine off may result in vehicle battery discharge.
2018 Fiat 500X-Fuses and Fuse Box-fig 1Blade Fuses

  1. Electrical Circuit
  2. Blade Fuse With Good Electrical Circuit
  3. Blade Fuse With Bad Electrical Circuit

Fuse Removal
To replace a fuse use the extractor attached to the fuse cover (located on the inside of the engine compartment fuse cover.)2018 Fiat 500X-Fuses and Fuse Box-fig 2

Access To The Fuses
The fuses are grouped into four controllers located in the engine compartment, under the instrument panel, and on the inside of the left-side cargo trim panel.

Engine Compartment Fuses/Distribution Unit
The engine compartment fuse panel is located on the left side of the engine compartment.

2018 Fiat 500X-Fuses and Fuse Box-fig 3
Engine Compartment Fuse Cavities
2018 Fiat 500X-Fuses and Fuse Box-fig 4Fuse Panel And Cover Location

  1. Mounting Screw
  2. Fuse Cover

Removing Fuse Cover and Locking Screw
Proceed as follows:

  1. Slowly turn the screw counterclockwise.
  2. Slowly release the screw.
  3. Remove the fuse cover by sliding it upward.

Mounting Fuse Cover and Locking Screw
Proceed as follows:

  1. Properly secure the fuse cover to the box, and slide completely from top to bottom.
  2. Fully depress the screw, using the special screwdriver supplied.
  3. Slowly turn the screw clockwise.
  4. Release the screw.

2018 Fiat 500X-Fuses and Fuse Box-fig 5Battery Fuse Cover Location

  1. Fuse Cover Tabs
  2. Fuse Cover
Cavity Maxi Fuse Cartage Fuse Mini Fuse Description
F01 70 Amp Tan Module Body Computer
F02 60 Amp Blue Module Body Computer, Rear Distribution Units
F03 20 Amp Blue Controller Power Supply Body Computer
F04 30 Amp Pink Brake Control Electronics Module
F05 70 Amp Tan Electric Power-Assisted Steering
F06 20 Amp Yellow Engine Cooling fan
F07 50 Amp Red Engine Cooling fan
F08 30 Amp Pink Automatic Transmission, GSM
F09 5 Amp Tan Control Module Engine
F10 10 Amp Red Horn
F11 10 Amp Red Supply Secondary Loads
F14 5 Amp Tan Pump Power After run
F15 40 Amp Orange Brake Control Module Pump
F16 5 Amp Tan Engine Control Module Power, Automatic Transmission
F17 10 Amp Red

15 Amp Blue

Supply Primary Loads (1.4L)

Supply Primary Loads (2.4L)

F18 30 Amp Green Power All-Wheel Drive
F19 7.5 Amp Brown Air Conditioner Compressor
F20 5 Amp Tan Electronic Power Four- Wheel Drive
F21 15 Amp Blue Fuel Pump
F22 20 Amp Yellow Power Control Module Engine
F23 20 Amp Yellow (Customer Installed) Power Outlet (Battery Powered)
F24 15 Amp Blue Electronic Unit Supply Automatic Transmission
F30 30 Amp Green Heated Windshield – If Equipped
F83 40 Amp Green Air Conditioning Fan
F84 20 Amp Yellow Power Outlet (Ignition Powered)
F87 5 Amp Tan Gear Selector Automatic Transmission
F88 7.5 Amp Brown Heated Outside Mirrors
F89 30 Amp Pink Heated Rear Window
F90 5 Amp Tan IBS Sensor (Battery State of Charge)

 

2023 Fiat 500X Review, Price, Features And Mileage (Brochure)

Body Computer Fuse Center
The controller is located at the left side of the steering column at the bottom of the instrument panel.
For the fuse replacement see an authorized dealer.
2018 Fiat 500X-Fuses and Fuse Box-fig 6
Body Controller Fuse Cavities

 
Cavity Mini Fuse Description
F31 7.5 Amp Brown Fan Air Conditioning, Power Socket
F33 20 Amp Yellow Power Window Front (Passenger Side)
F34 20 Amp Yellow Power Window Front (Driver’s Side)
F36 15 Amp Blue Supply Uconnect System, Air Conditioning, USB Port, Rear lateral ceiling light in case of open roof, EOBD port
F37 10 Amp Red System Power Forward Collision Warning Plus, All Wheel Drive (AWD), IPC, Central stack switches, Brake Pedal Switch (NC)
F38 20 Amp Yellow Central Locking
F42 7.5 Amp Brown BSM – Brake Control Module, EPS – Electric Power-Assisted Steering
F43 20 Amp Yellow Bi-directional Pump Washer
F47 20 Amp Yellow Power Rear Window (Driver Side)
F48 20 Amp Yellow Power Rear Window (Passenger Side)
F49 7.5 Amp Brown Supply ParkSense, Spot Lights Front Dome, Internal Electocromic Mirror, Heated Front Seats, SGW, Sunroof Motor.
F50 7.5 Amp Brown Supply Air Bag
F51 7.5 Amp Brown Air Conditioning Compressor, Plaque Automatic Transmission, Rear Camera, Air Conditioning, LDW – Lane Departure Warning, ASS – Auxiliary Stack Switch, DSUDrive Style Selector Unit, Reverse gear switch, side mirrors, and rear window defrost
F53 7.5 Amp Brown Supply IPC/Starter Device/System Keyless Enter-N-Go, Brake Pedal Switch (NA), EPB – Electric Parking Brake

Rear Cargo Fuse/Relay Distribution Unit
To access the fuses, remove the access door from the left rear panel of the rear cargo area.2018 Fiat 500X-Fuses and Fuse Box-fig 7
Access Door Location

Push on the left side of the access door to unhinge and remove.
2018 Fiat 500X-Fuses and Fuse Box-fig 8Rear Cargo Fuse Cavities

Cavity Mini Fuse Description
F2 20 Amp Yellow Audio System
F3 20 Amp Yellow Electric Sunroof
F5 30 Amp Green Power Seat (driver side)
F6 7.5 Amp Brown Power Seat (driver side) Lumbar Adjustment
F8 20 Amp Yellow Heating Front Seats

 

FAQs

Where is the fuse box located in a 2018 Fiat 500X?

The fuse box in a 2018 Fiat 500X is typically located in the interior of the vehicle, often near the driver’s side dashboard.

How many fuse boxes does the 2018 Fiat 500X have?

There may be more than one fuse box in the 2018 Fiat 500X; one is usually located in the interior, and another might be in the engine compartment.

What tools are needed to replace a blown fuse in a 2018 Fiat 500X?

You may need a fuse puller or a pair of needle-nose pliers to safely remove a blown fuse and a replacement fuse of the appropriate amperage.

How do I identify a blown fuse in my Fiat 500X?

Look for a fuse with a broken filament or a discolored appearance. The metal strip inside the fuse should be intact.

What type of fuses does the 2018 Fiat 500X use?

The 2018 Fiat 500X may use mini or micro-blade fuses.

What amperage do the fuses in the Fiat 500X typically have?

The amperage of fuses in a Fiat 500X can vary. Common amperages include 5A, 10A, 15A, 20A, and 30A.

Can using a higher amperage fuse cause damage to the vehicle?

Yes, using a fuse with a higher amperage than recommended can lead to electrical system damage. Always use the correct amperage fuse.

How do I access the interior fuse box in a Fiat 500X?

Consult the owner’s manual for specific instructions, but it often involves removing a cover panel near the driver’s side dashboard.

What should I do if I can’t find the blown fuse in my Fiat 500X?

If you’re having difficulty, consult the vehicle’s manual or seek professional assistance.

Are there spare fuses provided in the Fiat 500X?

Some vehicles come with spare fuses in the fuse box or a designated compartment.

Can I replace a blown fuse with any fuse of the same amperage?

Yes, as long as it is the correct amperage and type of fuse specified for your Fiat 500X.

How do I check if a fuse is still good without removing it?

Use a fuse tester or a multimeter to check for continuity without removing the fuse.

What common electrical components are protected by fuses in the Fiat 500X?

Fuses protect various electrical components, including lights, radios, power windows, and more.

Can I drive my Fiat 500X with a blown fuse?

It depends on which component the blown fuse is protecting. It’s best to replace the fuse before driving to avoid potential issues.

Are there any recalls or known issues related to fuses in the 2018 Fiat 500X?

Check with the manufacturer or visit the National Highway Traffic Safety Administration (NHTSA) website for any recalls or known issues related to fuses in your specific model year.

View Full PDF: 2018 Fiat 500X Owner’s Manual | Auto User Guide

2023 Fiat 500X Review, Price, Features And Mileage (Brochure)

2018 Fiat 500X Display Instrument Cluster | How to use