The 2017 Audi A5 has 66 electrical switch & relay parts with verified fitment on this page — 19 part types and 16 brands, covering the 2.0L L4 Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2017 Audi A5, 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 Oil Pressure Sender / Switch (20 parts), A/C Refrigerant Pressure Switch (5 parts) and Brake Light Switch (5 parts). The other 16 part types cover the remaining 36 parts.
The 2017 Audi A5 came with a single engine, the 2.0L L4 Turbocharged, and every part is verified against it.
16 brands supply electrical switch & relay parts for the 2017 Audi A5, led by VEMO (17 parts), WELLS (13 parts) and STANDARD MOTOR PRODUCTS (12 parts), plus 13 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2017 Audi A5. 7 parts have it, including UAC SW11103C (A/C Refrigerant Pressure Switch) and VEMO V10730302 (Brake Light Switch). Each part number opens a page with every vehicle that part fits.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UAC Popular | SW11103C | 🇺🇸 US 🇨🇦 CA | Pressure Transducer | View on Amazon |
| FOUR SEASONS | 37427 | 🇺🇸 US 🇨🇦 CA | Pressure Switch | View on Amazon |
| GPD | 1712374 | 🇺🇸 US 🇨🇦 CA | Pressure Transducer | View on Amazon |
| VEMO | V10730300 | 🇺🇸 US | View on Amazon | |
| WELLS | 5S16908 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the pressure switches on the A/C 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.
5 A/C Refrigerant Pressure Switch parts are listed for the 2017 Audi A5, from UAC, FOUR SEASONS, GPD and 2 other brands. UAC SW11103C carries the "Popular" badge.
Part numbers include UAC SW11103C, FOUR SEASONS 37427 and GPD 1712374, among others listed above.
Back Up / Reverse Lamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10730498 | 🇺🇸 US | Fits GASManual trans.or FLEX Fuel | View on Amazon |
This table covers the Back Up / Reverse Lamp 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 2017 Audi A5 — VEMO V10730498.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Popular | V10730302 | 🇺🇸 US 🇨🇦 CA | Plug (Connector): 4 Pins | View on Amazon |
| DORMAN | 920497 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 620127 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | SLS488 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S10938 | 🇺🇸 US 🇨🇦 CA | 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.
5 Brake Light Switch parts are listed for the 2017 Audi A5, from VEMO, DORMAN, ROSTRA and 2 other brands. VEMO V10730302 carries the "Popular" badge.
In the Economy grade, VEMO and DORMAN supply 2 parts: the catalog's value-priced group. A representative part number is VEMO V10730302.
The Standard Replacement section lists 3 options from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS — built to original-equipment specification. ROSTRA 620127 is listed in this group.
Part numbers include VEMO V10730302, DORMAN 920497 and ROSTRA 620127, among others listed above.
Convertible Top Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VNE | 4013041 | 🇺🇸 US 🇨🇦 CA | Nero (Black)Switch for Convertible Top Nero (Black) | View on Amazon |
This table covers the Convertible Top 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: VNE 4013041.
Fog / Driving Lamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S12078 | 🇺🇸 US 🇨🇦 CA | without Automatic Headlightswith Rear Fog Light | View on Amazon |
This table covers the Fog / Driving Lamp 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: WELLS 1S12078.
Fuel Pump / Circuit Opening Relay
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V15710070 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V15710071 | 🇺🇸 US 🇨🇦 CA | Executive US equipment | View on Amazon |
This table covers the relays that control the Fuel Pump / Circuit Opening 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.
VEMO supplies both parts for the 2017 Audi A5.
Economy: 1 part, from VEMO. A representative part number is VEMO V15710070.
The Standard Replacement section: 1 option from VEMO. VEMO V15710071 is listed in this group.
Listed part numbers: VEMO V15710070 and VEMO V15710071.
Hazard Warning Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | HZS293 | 🇺🇸 US 🇨🇦 CA | without Passenger Air Bag Deactivation Light | View on Amazon |
| STANDARD MOTOR PRODUCTS | HZS279 | 🇺🇸 US 🇨🇦 CA | with Passenger Air Bag Deactivation Light | View on Amazon |
| WELLS | 1S12829 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Hazard Warning 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 Hazard Warning Switch parts for the 2017 Audi A5 come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS HZS293, STANDARD MOTOR PRODUCTS HZS279 and WELLS 1S12829.
Headlamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | HLS1506 | 🇺🇸 US 🇨🇦 CA | without Rain Sensitive Wipers | View on Amazon |
| STANDARD MOTOR PRODUCTS | HLS1380 | 🇺🇸 US 🇨🇦 CA | with rain sensitive wiperswith fog lights | View on Amazon |
| WELLS | 1S12078 | 🇺🇸 US 🇨🇦 CA | without Automatic Headlightswith Rear Fog Light | 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.
3 Headlamp Switch parts for the 2017 Audi A5 come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS HLS1506, STANDARD MOTOR PRODUCTS HLS1380 and WELLS 1S12078.
Horn Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 965453801 | 🇺🇸 US | 5-pin connector | View on Amazon |
| VEMO | V15710040 | 🇺🇸 US | Plug (Connector): 5 Pins | View on Amazon |
| WELLS | 1R2303 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: No | View on Amazon |
This table covers the relays that control the Horn 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.
3 Horn Relay parts for the 2017 Audi A5 come from 3 brands — HELLA, VEMO and WELLS.
Listed part numbers: HELLA 965453801, VEMO V15710040 and WELLS 1R2303.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | US1471 | 🇺🇸 US 🇨🇦 CA | DASH MOUNTED | View on Amazon |
| WELLS | 1S15906 | 🇺🇸 US 🇨🇦 CA | with Push Button Switch | 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.
2 Ignition Starter Switch parts for the 2017 Audi A5 come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS US1471 and WELLS 1S15906.
Instrument Panel Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S12078 | 🇺🇸 US 🇨🇦 CA | without Automatic Headlightswith Rear Fog Light | View on Amazon |
This table covers the Instrument Panel Dimmer 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 2017 Audi A5 — WELLS 1S12078.
Multi-Function Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | 0986332209 | 🇺🇸 US 🇨🇦 CA | Multi-Purpose Relay | View on Amazon |
| BOSCH | 0986AH0080 | 🇺🇸 US 🇨🇦 CA | Multi-Purpose Relay | View on Amazon |
| BOSCH | 0986332004 | 🇺🇸 US 🇨🇦 CA | Multi-Purpose Relay | View on Amazon |
| WELLS | 1R1007 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: No | 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.
4 Multi-Function Relay parts are listed for the 2017 Audi A5, from BOSCH and WELLS.
Listed part numbers: BOSCH 0986332209, BOSCH 0986AH0080 and BOSCH 0986332004, plus the other parts above.
Neutral Safety Switch / Range Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | NS769 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VNE | 9121220 | 🇺🇸 US 🇨🇦 CA | Manual trans.Gear Shift Sensor For Manual Transmission | 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.
2 Neutral Safety Switch / Range Sensor parts are listed for the 2017 Audi A5, from STANDARD MOTOR PRODUCTS and VNE.
Part numbers include STANDARD MOTOR PRODUCTS NS769 and VNE 9121220.
Oil Pressure Sender / Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Popular | ELP0078 | 🇺🇸 US 🇨🇦 CA | Brown, with .55-.85 Bar | View on Amazon |
| VEMO | V15992000 | 🇺🇸 US 🇨🇦 CA | Thread Size: M10 X 10.55 | View on Amazon |
| VEMO | V10730084 | 🇺🇸 US 🇨🇦 CA | Plug (Connector): 1 Pin or 2 PinThread Size: M10 X 1 | View on Amazon |
| VEMO | V10540006 | 🇺🇸 US 🇨🇦 CA | Convertible | View on Amazon |
| WALKER PRODUCTS | 2561061 | 🇺🇸 US 🇨🇦 CA | Brown | View on Amazon |
| WALKER PRODUCTS | 2561033 | 🇺🇸 US 🇨🇦 CA | 2 PinBlue | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular | 2011754 | 🇺🇸 US 🇨🇦 CA | with Light1 Pin | View on Amazon |
| HELLA Popular | 008280001 | 🇺🇸 US | 1-Pin ConnectorColor: Green or Brown | View on Amazon |
| HELLA Popular | 008280031 | 🇺🇸 US | 1-Pin ConnectorColor: Brown | View on Amazon |
| BECK/ARNLEY | 2011983 | 🇺🇸 US 🇨🇦 CA | with LightBlue | View on Amazon |
| GPD | 1815319 | 🇺🇸 US 🇨🇦 CA | with LightBlue | View on Amazon |
| HELLA | 009600241 | 🇺🇸 US | 1-Pin ConnectorColor: Black or Color: Blue | View on Amazon |
| ROSTRA | 501269 | 🇺🇸 US | with Brown Connector | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS400 | 🇺🇸 US 🇨🇦 CA | Color: Brown, Silver | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS489 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 2 | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS665 | 🇺🇸 US 🇨🇦 CA | BlackColor: Green | View on Amazon |
| VEMO | V10720420 | 🇺🇸 US 🇨🇦 CA | From 08/28/2017To 07/31/2023 | View on Amazon |
| WELLS | 1S6875 | 🇺🇸 US 🇨🇦 CA | Connector Gender: Female | View on Amazon |
| WELLS | 1S12101 | 🇺🇸 US 🇨🇦 CA | 2.15 - 2.95 BarBlue | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2OPS0303 | 🇺🇸 US 🇨🇦 CA | Dark Blue1 Blade Terminal | 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.
20 Oil Pressure Sender / Switch parts are listed for the 2017 Audi A5, from VEMO, HELLA, STANDARD MOTOR PRODUCTS and 7 other brands. REIN ELP0078 carries the "Popular" badge.
Economy: 6 parts, from VEMO, WALKER PRODUCTS and REIN. A representative part number is REIN ELP0078.
The Standard Replacement section: 13 options from HELLA, STANDARD MOTOR PRODUCTS, BECK/ARNLEY and 4 other brands. BECK/ARNLEY 2011754 is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Parking Brake Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | PBS124 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VEMO | V10730369 | 🇺🇸 US 🇨🇦 CA | Includes: Expert Kits + | 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 are listed for the 2017 Audi A5, from STANDARD MOTOR PRODUCTS and VEMO.
Listed part numbers: STANDARD MOTOR PRODUCTS PBS124 and VEMO V10730369.
Power Seat Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10730561 | 🇺🇸 US 🇨🇦 CA | ConvertibleFront Left | 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.
This group shows a single part: VEMO V10730561.
Power Window Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS Popular | 8K0959855BV10 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | DWS2176 | 🇺🇸 US 🇨🇦 CA | Front LeftConvertible | View on Amazon |
| VEMO | V10730323 | 🇺🇸 US | Right | View on Amazon |
| WELLS | 1S13086 | 🇺🇸 US 🇨🇦 CA | Front RightConvertible | View on Amazon |
| WELLS | 1S13067 | 🇺🇸 US 🇨🇦 CA | Front LeftConvertible | 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 are listed for the 2017 Audi A5, from WELLS, ÜRO PARTS, STANDARD MOTOR PRODUCTS and 1 other brand. ÜRO PARTS 8K0959855BV10 carries the "Popular" badge.
Economy: 1 part, from ÜRO PARTS. A representative part number is ÜRO PARTS 8K0959855BV10.
The Standard Replacement section: 4 options from WELLS, STANDARD MOTOR PRODUCTS and VEMO. STANDARD MOTOR PRODUCTS DWS2176 is listed in this group.
This group includes ÜRO PARTS 8K0959855BV10, STANDARD MOTOR PRODUCTS DWS2176 and VEMO V10730323 and the remaining parts above.
Trunk Lid / Tailgate Release Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS | 5N0827566T | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10730436 | 🇺🇸 US 🇨🇦 CA | Coupe | View on Amazon |
| VEMO | V10730458 | 🇺🇸 US 🇨🇦 CA | Coupe | View on Amazon |
This table covers the Trunk Lid / Tailgate Release 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 Trunk Lid / Tailgate Release Switch parts for the 2017 Audi A5 come from 2 brands — VEMO and ÜRO PARTS.
The Economy section: 1 option from ÜRO PARTS. ÜRO PARTS 5N0827566T is listed in this group.
Standard Replacement: 2 parts, from VEMO. A representative part number is VEMO V10730436.
This group includes ÜRO PARTS 5N0827566T, VEMO V10730436 and VEMO V10730458.
Turn Signal Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V15803313 | 🇺🇸 US 🇨🇦 CA | ConvertibleCruise control system (CCS) | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V15800022 | 🇺🇸 US 🇨🇦 CA | Convertible | View on Amazon |
This table covers the combination / turn-signal 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.
VEMO supplies both parts for the 2017 Audi A5.
Economy: 1 part, from VEMO. A representative part number is VEMO V15803313.
The Standard Replacement section: 1 option from VEMO. VEMO V15800022 is listed in this group.
Listed part numbers: VEMO V15803313 and VEMO V15800022.
Buying Electrical Switch & Relay Parts for a 2017 Audi A5
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Confirm you have the 2.0L L4 Turbocharged engine — every part on this page is matched to it.
- 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: Oil Pressure Sender / Switch and A/C Refrigerant Pressure Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2017 Audi A5?
Our catalog currently lists 66 electrical switch & relay parts for the 2017 Audi A5 across 19 subcategories and 16 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2017 Audi A5?
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 2017 Audi A5 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 2017 Audi A5?
Every part on this page is matched to the 2.0L L4 Turbocharged engine. 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 2017 Audi A5
Electrical Switch & Relay Parts for Other Audi A5 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.