SEAT · PCR 2.1 ECU · diesel

SEAT LEON PCR 2.1 tuning files

The SEAT LEON on the PCR 2.1, mapped from stock file to finished result. Across the matched variants stock power runs from 105 to 105 HP. It is a diesel platform, so the full diesel solution range is on the table. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Upload your file →All LEON coverage

Available solutions

Solutions that apply to the PCR 2.1 on this diesel platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2 DPF Off EGR Off Swirl Flaps OffLambda / O2MAF OffTVANOx OffAGSReadinessStart/Stop OffOil PressureLimp Mode Off

Engine variants & ECU software

19 distinct variants for the SEAT LEON on the PCR 2.1 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 1600 105HP
Engine code: CAYB
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2G0P3000000
SW upgrade: 03L906023KL_9980
Calibration: 03L906023KL_9980

Variant 2

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2G0LG000000
SW upgrade: 03L906023LJ_9901
Calibration: 03L906023LJ_9901

Variant 3

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2G0P3000000
SW upgrade: 03L997558G_9984
Calibration: 03L997558G_9984

Variant 4

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2F0K3000000
SW upgrade: 03L906023AB_6927
Calibration: 03L906023AB_6927

Variant 5

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2F0K3000000
SW upgrade: 03L906023GP_6926
Calibration: 03L906023GP_6926

Variant 6

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2F0L9500000
SW upgrade: 03L906023LJ_8803
Calibration: 03L906023LJ_8803

Variant 7

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2G0M0000000
ECU HW: 5WP4 2915AA
SW upgrade: 03L906023LF_9970
Calibration: 03L906023LF_9970

Variant 8

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2G0M0000000
SW upgrade: 03L906023AB_9971
Calibration: 03L906023AB_9971

Variant 9

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2G0P2000000
SW upgrade: 03L906023LH_9978
Calibration: 03L906023LH_9978

Variant 10

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2F0L9500000
SW upgrade: 03L906023LH_8865
Calibration: 03L906023LH_8865

Variant 11

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2F0G4000000
SW upgrade: 03L906023AB_5825
Calibration: 03L906023AB_5825

Variant 12

ECU

Catalog engine: 1600 105HP
Engine code: CAYB
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2G0M0000000
SW upgrade: 03L906023KL_9970
Calibration: 03L906023KL_9970

Variant 13

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
SW upgrade: 03L906023JK_5979
Calibration: 03L906023JK_5979

Variant 14

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2G0M0000000
SW upgrade: 03L906023LJ_9971
Calibration: 03L906023LJ_9971

Variant 15

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
SW upgrade: 03L906023GP_6313
Calibration: 03L906023GP_6313

Variant 16

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2G0P2000000
SW upgrade: 03L906023T_9979
Calibration: 03L906023T_9979

Variant 17

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
SW upgrade: 03L906023GG_5464
Calibration: 03L906023GG_5464

Variant 18

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
ECU SW: SM2F0G4000000
SW upgrade: 03L906023AC_5826
Calibration: 03L906023AC_5826

Variant 19

ECU

Catalog engine: 1600 105HP
Engine code: CAYC
Controller brand: CONTINENTAL
ECU: PCR 2.1
Stock power: 105 HP
SW upgrade: 03L906023N_6086
Calibration: 03L906023N_6086

Related vehicles

Other vehicles built on the PCR 2.1 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the SEAT LEON on the PCR 2.1?

Stage 1, Stage 2, DPF Off, EGR Off, Swirl Flaps Off, Lambda / O2, MAF Off, TVA, NOx Off, AGS, Readiness, Start/Stop Off, Oil Pressure, Limp Mode Off. The exact set depends on the specific engine and software version.

Do you cover the PCR 2.1 ECU software on this model?

Yes — the SEAT LEON on the PCR 2.1 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.