OBD LensOBD Lens App
01748

Steering Wheel Tiptronic Switch - Upshift - E438; Tiptronic switch in the steering wheel, high-E438

01748 is described as “Steering Wheel Tiptronic Switch - Upshift - E438; Tiptronic switch in the steering wheel, high-E438” in the Audi / Jetta / MAN / Seat / Skoda / Volkswagen reference.

Manufacturer reference family

Audi / Jetta / MAN / Seat / Skoda / Volkswagen: 01748

de

Steering Wheel Tiptronic Switch - Upshift - E438; Schalter für Tiptronic im Lenkrad, hoch-E438

en

Steering Wheel Tiptronic Switch - Upshift - E438; Tiptronic switch in the steering wheel, high-E438

ru

Переключатель Tiptronic на рулевом колесе -повышение передачи-E438; Переключатель Tiptronic на рулевом колесе - повышение передачи-E438

Reference namespace
vag
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: Skoda, Volkswagen, Audi, Seat, MAN, Jetta.

56 profiles assigned this reference family

32 more related profiles are listed in the vehicle directory.

What should I check before using this definition?

Keep the full code, module, status and freeze-frame data. Confirm the vehicle’s make, model, year and current manufacturer service information before choosing a repair. This entry does not identify a failed part by itself.

Organize a scan report or recording
Source and applicability

OBD Lens production library legacy-owner-2026-10-09-v81. This is a scoped technical reference, not a scan of your car. A catalog relationship does not certify that every ECU, year or engine returns the same signal or code definition.

Read the reference method

OBD Lens reference library · catalog legacy-owner-2026-10-09-v81. Sources and scope