Carte mécatronique TCU RacingLine VWR040301 - DSG DQ381 MQB Evo
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- Delivery Thu 19 Nov
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Depuis 2022, la plupart des VAG a boite DSG DQ381 G2 sont bridees a la transmission : un bootloader "401" verrouille interdit toute reprogrammation du calculateur de boite (TCU) par OBD. Consequence directe, meme avec une prepa moteur poussee, la boite finit par brider le couple pour se proteger. La carte mecatronique RacingLine VWR040301 leve ce verrou a la source.
La solution au bon endroit : la boite elle-meme
Plutot que de tromper le calculateur moteur, RacingLine agit directement sur la transmission. En remplacant la carte de commande d'origine verrouillee par une carte Bosch identique mais deblocquee en "301", la boite redevient reprogrammable via OBD et via le systeme PDM Flash at Home, exactement comme le materiel a ete concu pour fonctionner. La cartographie Dynamic TCU RacingLine est incluse.
Caracteristiques techniques
- Pression d'embrayage dynamique de 12 bars (origine) jusqu'a 19 bars selon la demande
- Points de passage releves et pression de serrage augmentee au-dela du couple d'usine
- Limiteurs de couple releves : la boite ne bride plus la puissance moteur
- Un seul flash valable du Stage 1 au Stage 3, compatible avec tous les logiciels moteur
- Mode manuel integral
Questions frequentes
Pourquoi ne pas simplement reprogrammer la boite en OBD ?
Parce que le bootloader "401" des DQ381 recentes est verrouille : aucune ecriture OBD n'est possible tant que la carte n'a pas ete remplacee par la version deblocquee "301". C'est un verrou materiel, pas logiciel.
Puis-je le monter moi-meme ?
Non. En raison de sa technicite (depose et remplacement de la carte mecatronique), l'installation doit imperativement etre realisee par un revendeur RacingLine agree disposant d'un technicien qualifie. Un montage amateur peut affecter la garantie.
Quels vehicules sont concernes ?
Les modeles VAG MQB Evo equipes de la boite DSG DQ381 G2 7 rapports a partir de 2022 : Golf 8 GTI/Clubsport/R, Arteon, T-Roc R, Tiguan, Jetta, Audi S3 8Y, A3 8Y, TTS 8S, SQ2, Cupra Leon/Formentor, SEAT Tarraco, Skoda Octavia IV et Superb III.
Cette carte fait-elle gagner de la puissance a elle seule ?
Non : elle debloque la reprogrammation de la boite (TCU). Le gain vient de la cartographie Dynamic TCU incluse et de la reprogrammation moteur associee, qui peuvent enfin exploiter tout le couple sans que la boite ne le bride.
Fiche technique
| Marque | RacingLine |
| Type | Carte mecatronique TCU (deblocage bootloader) |
| Boite | DSG DQ381 G2 7 rapports (MQB Evo, 2022+) |
| Principe | Carte Bosch deblocquee 301 + Dynamic TCU |
| Pression embrayage | 12 bars (origine) jusqu'a 19 bars |
| Plage | Stage 1 a Stage 3, un seul flash |
| Montage | Revendeur RacingLine agree obligatoire |
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