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Bosch

MED17.5.5

ECU (engine) Planned

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Specification

Manufacturer: Bosch
Family: MED17.5.5
Microcontroller (MCU): TC1766
Flash size: 2 048 kB
Read protocols: OBD, BENCH, BOOT
Signature: No signature
Era: 2006-2012

Checksum: Planned

Checksum correction for this family is on our roadmap but not available yet — the tuner handles it manually.

Applications

Audi A1 (8X) 1.4 TFSI
Audi A3 (8P) 1.4 TFSI
Seat Alhambra (7N) 1.4 TSI
VW Golf V GT 1.4 TSI BLG
VW Touran 1.4 TSI BMY

Notes

Early VAG 1.4 TSI MED17.5.5. | BitBox carlist 2026-10-07

Used in (49)

Audi

4 engines

SEAT

9 engines

Alhambra Alhambra II (7N) · 1.4 TSI (150) 150 hp
Altea Altea (5P) · 1.4 TSI 125 hp
Altea Altea / Altea XL facelift (5P) · 1.4 TSI 125 hp
Ibiza Ibiza IV (6J) · 1.4 TSI Cupra (180) 180 hp
Ibiza Ibiza IV (6J) · 1.4 TSI FR (150) 150 hp
Ibiza Ibiza IV facelift (6J/6P) · 1.4 TSI Cupra (180) 180 hp
Leon Leon II (1P) · 1.4 TSI 125 hp
Leon Leon II facelift (1P) · 1.4 TSI 125 hp
Toledo Toledo IV (NH) · 1.4 TSI (122) 122 hp

Volkswagen

28 engines

Beetle Beetle (5C) · 1.4 TSI (160) 160 hp
Eos Eos (1F) · 1.4 TSI (160) 160 hp
Eos Eos (1F) · 1.4 TSI 122 hp
Eos Eos facelift (1F) · 1.4 TSI (160) 160 hp
Eos Eos facelift (1F) · 1.4 TSI 122 hp
Golf Golf V (1K) · 1.4 TSI 122 hp
Golf Golf VI (5K) · 1.4 TSI (160) 160 hp
Golf Golf VI (5K) · 1.4 TSI 122 hp
Golf Plus Golf Plus facelift (5M) · 1.4 TSI (160) 160 hp
Golf Plus Golf Plus facelift (5M) · 1.4 TSI 122 hp
Jetta Jetta V (1K) · 1.4 TSI (160) 160 hp
Jetta Jetta VI (16) · 1.4 TSI (122) 122 hp
+ 16 more

Škoda

8 engines

Fabia Fabia II facelift (5J) · 1.4 TSI RS (180) 180 hp
Octavia Octavia II (1Z) · 1.4 TSI 122 hp
Octavia Octavia II facelift (1Z) · 1.4 TSI 122 hp
Rapid Rapid (NH) · 1.4 TSI (122) 122 hp
Superb Superb II (3T) · 1.4 TSI 125 hp
Superb Superb II facelift (3T) · 1.4 TSI 125 hp
Yeti Yeti (5L) · 1.4 TSI 122 hp
Yeti Yeti facelift (5L) · 1.4 TSI (122) 122 hp