2017 Audi TT Electrical Switch & Relay Parts

This table covers the relays that control the A/C Condenser Fan Motor 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. Read more

One part is listed for the 2017 Audi TT — HELLA 933332451.

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. Read more

4 A/C Refrigerant Pressure Switch parts are listed for the 2017 Audi TT, from FOUR SEASONS, UAC, VEMO and 1 other brand. 2 parts fit every engine; the other 2 are engine-specific.

Part numbers include FOUR SEASONS 37427, UAC SW11224C and VEMO V10730300, among others listed above.

This table covers the relays that control the Accessory Power 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. Read more

3 Accessory Power Relay parts for the 2017 Audi TT come from 3 brands — HELLA, STANDARD MOTOR PRODUCTS and WELLS. 1 part fits every engine; the other 2 are engine-specific.

Part numbers include HELLA 933332451, STANDARD MOTOR PRODUCTS RY577 and WELLS 1R2303.

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. Read more

One part is listed for the 2017 Audi TT — VEMO V10730142.

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. Read more

6 Brake Light Switch parts are listed for the 2017 Audi TT, from VEMO, WELLS, STANDARD MOTOR PRODUCTS and 1 other brand. STANDARD MOTOR PRODUCTS SLS473 carries the "Popular" badge.

In the Economy grade, VEMO supplies 1 part: the catalog's value-priced group. A representative part number is VEMO V10730389.

The Standard Replacement section lists 4 options from STANDARD MOTOR PRODUCTS, ROSTRA, VEMO and 1 other brand — built to original-equipment specification. STANDARD MOTOR PRODUCTS SLS473 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Listed part numbers: STANDARD MOTOR PRODUCTS SLS473, VEMO V10730389 and ROSTRA 620097, plus the other parts above.

This table covers the relays that control the Fog / Driving Lamp 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. Read more

One part is listed for the 2017 Audi TT — HELLA 933332451.

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. Read more

2 Fuel Pump / Circuit Opening Relay parts are listed for the 2017 Audi TT, from HELLA and VEMO. 1 part fits every engine; the other 1 is engine-specific.

Listed part numbers: HELLA 933332451 and VEMO V15710075.

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. Read more

3 Horn Relay parts for the 2017 Audi TT come from 3 brands — HELLA, VEMO and WELLS.

Part numbers include HELLA 965453801, VEMO V15710040 and WELLS 1R2303.

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. Read more

6 Ignition Starter Switch parts for the 2017 Audi TT come from 4 brands — VEMO, WELLS, STANDARD MOTOR PRODUCTS and 1 other brand. The "Popular" part is VEMO V15803229.

The Economy section: 1 option from VEMO. VEMO V15803229 is listed in this group.

Standard Replacement: 5 parts, from WELLS, STANDARD MOTOR PRODUCTS, ROSTRA and 1 other brand. A representative part number is STANDARD MOTOR PRODUCTS US672.

Listed part numbers: VEMO V15803229, STANDARD MOTOR PRODUCTS US672 and ROSTRA 630052, plus the other parts above.

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. Read more

3 Multi-Function Relay parts are listed for the 2017 Audi TT, from BOSCH, ÜRO PARTS and WELLS.

Listed part numbers: BOSCH 0986AH0307, ÜRO PARTS 7M0951253A and WELLS 1R1007.

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. Read more

24 Oil Pressure Sender / Switch parts are listed for the 2017 Audi TT, from STANDARD MOTOR PRODUCTS, HELLA, WELLS and 6 other brands. REIN ELP0078 carries the "Popular" badge. 1 part fits every engine; the other 23 are engine-specific.

Economy: 7 parts, from VEMO, WALKER PRODUCTS and REIN. A representative part number is REIN ELP0078.

The Standard Replacement section: 12 options from HELLA, STANDARD MOTOR PRODUCTS, BECK/ARNLEY and 2 other brands. BECK/ARNLEY 2011754 is listed in this group.

5 ungrouped parts are not assigned to a grade, with the same engine-level match.

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. Read more

4 Power Seat Switch parts for the 2017 Audi TT come from VEMO.

The Economy section: 2 options from VEMO. VEMO V10730370 is listed in this group.

Standard Replacement: 1 part, from VEMO. A representative part number is VEMO V10730557.

1 further part sits outside the graded sections, with the same engine-level match.

Part numbers include VEMO V10730370, VEMO V10730475 and VEMO V10730557, among others listed above.

This table covers the relays that control the Radiator Fan 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. Read more

This group shows a single part: HELLA 933332451.

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. Read more

One part is listed for the 2017 Audi TT — VEMO V15800039.