This page lists 3 electrical switch & relay parts for the 2015 Audi A1, across 2 part types, covering the 1.4L L4 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2015 Audi A1, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. All 3 listed parts are Oil Pressure Sender / Switch (2 parts) and Back Up / Reverse Lamp Switch (1 part).
The 2015 Audi A1 came with a single engine, the 1.4L L4 Turbocharged, and every part is verified against it.
2 brands supply electrical switch & relay parts for the 2015 Audi A1, led by WELLS (2 parts) and MARELLI (1 part).
Each part number listed for the 2015 Audi A1 opens a page with every vehicle that part fits.
Back Up / Reverse Lamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MARELLI | CI51030 | 🇲🇽 MX | 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 2015 Audi A1 — MARELLI CI51030.
Oil Pressure Sender / Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S6863 | 🇲🇽 MX | 0.30 - 0.60 BarGreen | View on Amazon |
| WELLS | 1S10849 | 🇲🇽 MX | 2.15 - 2.95 BarBlue | 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.
WELLS supplies both parts for the 2015 Audi A1.
This group includes WELLS 1S6863 and WELLS 1S10849.
Buying Electrical Switch & Relay Parts for a 2015 Audi A1
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 1.4L 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 Back Up / Reverse Lamp Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2015 Audi A1?
Our catalog currently lists 3 electrical switch & relay parts for the 2015 Audi A1 across 2 subcategories and 2 brands, covering the 1.4L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2015 Audi A1?
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 2015 Audi A1 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 2015 Audi A1?
Every part on this page is matched to the 1.4L 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 2015 Audi A1
Electrical Switch & Relay Parts for Other Audi A1 Years
Switch vehicle or jump to a subcategory
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.