The 2016 Fiat 500X has 41 electrical switch & relay parts with verified fitment on this page — 19 part types and 1 brand, covering all 3 engine options (1.4L L4 Turbocharged, 2.4L L4 DOHC and 2.4L L4 SOHC). Each part includes a manufacturer part number and application notes.
On the 2016 Fiat 500X, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. Most of the listed parts are Headlamp Switch (6 parts), Power Window Switch (5 parts) and Door Lock Switch (4 parts). The other 16 part types cover the remaining 26 parts.
The 2016 Fiat 500X was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
Every electrical switch & relay part listed for the 2016 Fiat 500X comes from MOPAR.
2 parts on this 2016 Fiat 500X page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including MOPAR 6AU28U00AA (Headlamp Switch) and MOPAR 5VH83LXHAA (Power Window Switch). Click any part number to see every vehicle that part fits.
Brake Light Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 68073610AA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Hatchback | View on Amazon |
This table covers the pedal-mounted switch that turns on the brake lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
This group shows a single part: MOPAR 68073610AA.
Cruise Control Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 6AP32LXHAA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Heated Steering Wheel | View on Amazon |
This table covers the Cruise Control switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
One part is listed for the 2016 Fiat 500X — MOPAR 6AP32LXHAA.
Door Lock Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 5UW65LXHAA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Front Right | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 6AT90LXHAA | 🇺🇸 US 🇨🇦 CA | Fits FrontInline Multi Air Engine. | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 5UW82LXHAA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Power Mirrors | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 6AU03LXHAA | 🇺🇸 US 🇨🇦 CA | Fits FrontInline Multi Air Engine. | View on Amazon |
This table covers the Door Lock switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
4 Door Lock Switch parts for the 2016 Fiat 500X come from MOPAR.
Part numbers include MOPAR 5UW65LXHAA, MOPAR 6AT90LXHAA and MOPAR 5UW82LXHAA, among others listed above.
Headlamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Popular Fits: 2.4L L4 DOHC | 6AU28U00AA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Automatic Headlamps | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 5XN68LXHAA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Inline Multi Air Engine.Overhead Ambient Surround Lighting, Automatic Headlamps, Fog and Cornering Lamps / Canada | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 5XN69LXHAA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Inline Multi Air Engine.Exc. Overhead Ambient Surround Lighting | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 6AU25U00AA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Canada & Mexico | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 6AU26U00AA | 🇺🇸 US 🇨🇦 CA | Inline Multi Air Engine.Overhead Ambient Surround Lighting | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 6AU27U00AA | 🇺🇸 US 🇨🇦 CA | Inline Multi Air Engine.Automatic Headlamps, Overhead Ambient Surround Lighting | View on Amazon |
This table covers the column or dash switches that control the exterior lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
MOPAR supplies the 6 Headlamp Switch parts for the 2016 Fiat 500X. MOPAR 6AU28U00AA carries the "Popular" badge.
Listed part numbers: MOPAR 6AU28U00AA, MOPAR 5XN68LXHAA and MOPAR 5XN69LXHAA, plus the other parts above.
HVAC Control Switch / Panel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 6LK01LXHAA | 🇺🇸 US 🇨🇦 CA | Inline Multi Air Engine.After 7/29/2016 | View on Amazon |
This table covers the HVAC Control Switch panels.
One part is listed for the 2016 Fiat 500X — MOPAR 6LK01LXHAA.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 5ZR57LXHAC | 🇺🇸 US 🇨🇦 CA | PUSH BUTTON | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 68348582AA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Canada / Includes Lock Solenoid | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 7GE04DX9AA | 🇺🇸 US 🇨🇦 CA | PUSH BUTTON | View on Amazon |
This table covers the ignition switches that feed the starter circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
MOPAR supplies the 3 Ignition Starter Switch parts for the 2016 Fiat 500X.
Part numbers include MOPAR 5ZR57LXHAC, MOPAR 68348582AA and MOPAR 7GE04DX9AA.
Instrument Cluster Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 6AU16LXFAA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Exc. Parksense Rear Park Assist System | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 6AU51LXFAA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Parksense Rear Park Assist System | View on Amazon |
This table covers the Instrument Cluster switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
2 Instrument Cluster Switch parts for the 2016 Fiat 500X come from MOPAR.
This group includes MOPAR 6AU16LXFAA and MOPAR 6AU51LXFAA.
Multi-Function Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 6106092AA | 🇺🇸 US 🇨🇦 CA | Electrical Relay | View on Amazon |
This table covers the relays that control the Multi-Function circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
This group shows a single part: MOPAR 6106092AA.
Neutral Safety Switch / Range Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 68197332AA | 🇺🇸 US 🇨🇦 CA | Inline Multi Air Engine.3.73 Rear Axle Ratio | View on Amazon |
This table covers the Neutral Safety Switch / Range sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
This group shows a single part: MOPAR 68197332AA.
Oil Pressure Sender / Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 68145662AA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Hatchback or Inline Multi Air Engine. | View on Amazon |
This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch.
This group shows a single part: MOPAR 68145662AA.
Parking Brake Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 68201729AA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Hatchback | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 6AP11U00AA | 🇺🇸 US 🇨🇦 CA | Brake SwitchElectric Park Brake | View on Amazon |
This table covers the Parking Brake switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
2 Parking Brake Switch parts for the 2016 Fiat 500X come from MOPAR.
This group includes MOPAR 68201729AA and MOPAR 6AP11U00AA.
Power Seat Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 68269698AA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Power 8-Way Driver Seat | View on Amazon |
This table covers the Power Seat switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
One part is listed for the 2016 Fiat 500X — MOPAR 68269698AA.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Popular Fits: 2.4L L4 DOHC | 5VH83LXHAA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Master Switch | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 5VH85LXHAA | 🇺🇸 US 🇨🇦 CA | Fits RearInline Multi Air Engine. | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 5UW64LXHAA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Front Right | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 6AT98LXHAA | 🇺🇸 US 🇨🇦 CA | Includes Bezel and Switch | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 6AT99LXHAA | 🇺🇸 US 🇨🇦 CA | Includes Bezel and Switch | View on Amazon |
This table covers the switches that command each window motor. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
5 Power Window Switch parts for the 2016 Fiat 500X come from MOPAR. The "Popular" part is MOPAR 5VH83LXHAA.
Listed part numbers: MOPAR 5VH83LXHAA, MOPAR 5VH85LXHAA and MOPAR 5UW64LXHAA, plus the other parts above.
Radio Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 5UX01LXHAB | 🇺🇸 US 🇨🇦 CA | HighlineMedium | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 6XU29LXHAA | 🇺🇸 US 🇨🇦 CA | Fits RightInline Multi Air Engine. | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 6XU44LXHAA | 🇺🇸 US 🇨🇦 CA | Fits LeftInline Multi Air Engine. | View on Amazon |
This table covers the Radio switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
3 Radio Switch parts for the 2016 Fiat 500X come from MOPAR.
This group includes MOPAR 5UX01LXHAB, MOPAR 6XU29LXHAA and MOPAR 6XU44LXHAA.
Seat Heater Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 6DE64LXHAA | 🇺🇸 US 🇨🇦 CA | LeftHeated Front Seats | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 6DE65LXHAA | 🇺🇸 US 🇨🇦 CA | Fits LeftInline Multi Air Engine. | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 6XD60LXHAA | 🇺🇸 US 🇨🇦 CA | Fits RightHeated Front Seats | View on Amazon |
This table covers the Seat Heater switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
MOPAR supplies the 3 Seat Heater Switch parts for the 2016 Fiat 500X.
This group includes MOPAR 6DE64LXHAA, MOPAR 6DE65LXHAA and MOPAR 6XD60LXHAA.
Seat Lumbar Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 68122564AA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Power 8-Way Driver Seat | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 68269697AA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Power 8-Way Driver Seat | View on Amazon |
This table covers the Seat Lumbar switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
MOPAR supplies both parts for the 2016 Fiat 500X.
This group includes MOPAR 68122564AA and MOPAR 68269697AA.
Steering Wheel Audio Control Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 6AP41LXHAA | 🇺🇸 US 🇨🇦 CA | STEERING WHEEL | View on Amazon |
| MOPAR Fits: 2.4L L4 DOHC | 6AP42LXHAA | 🇺🇸 US 🇨🇦 CA | STEERING WHEEL | View on Amazon |
This table covers the Steering Wheel Audio Control switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
2 Steering Wheel Audio Control Switch parts for the 2016 Fiat 500X come from MOPAR.
Part numbers include MOPAR 6AP41LXHAA and MOPAR 6AP42LXHAA.
Sunroof / Sunshade Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 5VY16MS7AA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Power Sunroof, Overhead Ambient Surround Lighting | View on Amazon |
This table covers the Sunroof / Sunshade switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
One part is listed for the 2016 Fiat 500X — MOPAR 5VY16MS7AA.
Traction / Stability Control Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.4L L4 DOHC | 6CA23LXFAA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.Dynamic/Normal/All-Weather Selector | View on Amazon |
This table covers the Traction / Stability Control switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
This group shows a single part: MOPAR 6CA23LXFAA.
Buying Electrical Switch & Relay Parts for a 2016 Fiat 500X
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Match the engine first. Every electrical switch & relay part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Headlamp Switch and Power Window Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2016 Fiat 500X?
Our catalog currently lists 41 electrical switch & relay parts for the 2016 Fiat 500X across 19 subcategories and 1 brand, covering all 3 engine options (1.4L L4 Turbocharged, 2.4L L4 DOHC and 2.4L L4 SOHC). Each part is matched to the engine(s) it fits.
Do electrical switch & relay parts differ between 2016 Fiat 500X engines?
Yes. Every electrical switch & relay part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical switch & relay problems on a 2016 Fiat 500X?
Common symptoms include accessories that work intermittently, a click without action, or one function dead while its fuse tests fine. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2016 Fiat 500X was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2016 Fiat 500X?
First match the engine — each row shows which engine(s) the part fits. Then swap a suspect relay with an identical known-good one from the fuse box before buying — it is the fastest diagnostic there is. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2016 Fiat 500X
Electrical Switch & Relay Parts for Other Fiat 500X Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.