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Diagnostic knowledge / 19711 — P3255 Row 1, Lambda probe to the catalyst, heating circuit: upper control limit reached; Bank 1, lambda probe in front of the catalyst, heating circuit control at the upper limit
19711

P3255 Row 1, Lambda probe to the catalyst, heating circuit: upper control limit reached; Bank 1, lambda probe in front of the catalyst, heating circuit control at the upper limit

19711 is described as “P3255 Row 1, Lambda probe to the catalyst, heating circuit: upper control limit reached; Bank 1, lambda probe in front of the catalyst, heating circuit control at the upper limit” in the Audi / Jetta / MAN / Seat / Skoda / Volkswagen reference.

Manufacturer reference family

Audi / Jetta / MAN / Seat / Skoda / Volkswagen: 19711

de

P3255 Row 1, Lambda probe to the catalyst, heating circuit: upper control limit reached; Bank 1, Lambda-Sonde vor Katalysator, Heizstromkreis Regelung am oberen Anschlag

en

P3255 Row 1, Lambda probe to the catalyst, heating circuit: upper control limit reached; Bank 1, lambda probe in front of the catalyst, heating circuit control at the upper limit

ru

P3255 Ряд 1, лямбда-зонд до катализатора, электрическая цепь подогрева: достигнут верхний предел регулирования; Ряд 1, лямбда-зонд до катализатора, электрическая цепь подогрева: достигнут верхний предел регулирования

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