Shift by wire

From HandWiki - Reading time: 3 min

A commercial push-button-based electronic shift selector made by Allison Transmission

Shift-by-wire is the system on an automatic transmission in which the transmission modes are engaged/changed in an automobile through electronic controls without any mechanical linkage between the gear shifting lever and the transmission. The transmission shifting was traditionally accomplished by mechanical links through a lever mounted on the steering column or a gear shifter near the center console.

This eliminates routing space required for housing the mechanical linkages between the shifter and the transmission and provides effortless shifting through the press of a button or through knobs. The elimination of this linkage removes any shift effort from the driver’s gear selection.

Production vehicles using shift by wire

  • Audi
    • A2
    • A3
    • A4
    • A5
    • A6
    • A7
    • A8[1]
    • Q5
    • Q7
  • BMW[2]
    • 1 Series
    • 2 Series
    • 3 Series
    • 4 Series
    • 5 Series
    • 6 Series
    • 7 Series
    • i4
    • iX
    • X1
    • X2
    • X3
    • X4
    • X5
    • X6
    • X7
  • General Motors
    • Buick
      • Enclave (2018 - present)
      • LaCrosse (2017 - present)
      • Envision (2021- present)
    • Cadillac
      • XT5 (2017 - present)
    • Chevrolet
      • Bolt EV
    • GMC
      • Terrain (2018 - present)
    • Opel
      • Ampera-e
  • Citroën
    • C4 Picasso I and C4 Picasso II (B78)[3]
  • Genesis
    • G70
    • G80 (2018)
    • G90
  • Mercedes[4]
    • A-Class
    • B-Class
    • C-Class
    • CLA-Class
    • S-Class Sedan
    • S-Class Coupe
    • E-Class Sedan
    • E-Class Coupe
    • CL-Class coupe
    • GL-Class
    • GLA-Class
    • GLC-Class
    • GLE-Class
    • GLS-Class
    • G-Class
    • GLK-Class
    • M-Class
    • R-Class
  • Nissan Leaf[5]
  • Chrysler 300 [6]
  • Dodge Charger [6]
  • Renault Espace V (JFC) [7]
  • Rolls Royce
    • Phantom
    • Ghost
    • Wraith
  • Kia
    • K 900
    • Stinger
    • Telluride
  • Volkswagen
    • Golf
    • Phaeton
    • Touareg
  • Toyota
    • Prius
    • Highlander Hybrid
  • Lincoln
    • MKZ
  • Honda
    • Accord 2.0t
    • City Hybrid
    • Fit Hybrid
    • Vezel Hybrid
    • CR-V Diesel
  • Volvo
    • Hybrid Models
    • Mild-Hybrid Models
    • XC40
  • Jaguar-Landrover
  • Mini Cooper
    • Convertible
    • Mini 3-Door
    • Mini 5-door
    • Countryman
    • Clubman
  • Hyundai
    • Palisade
    • Tucson
    • Sonata (all 2020 Models)
    • Kona OS EV
    • Ioniq OS EV
    • Genesis
  • Skoda
    • Octavia
  • Mitsubishi
    • Outlander - PHEV
  • Seat
    • Leon

Safety recalls related to shift-by-wire systems

There have been safety issues identified with production vehicles implementing the shift by wire systems which have led to recalls.[8] The major hazards associated with this type of systems are vehicle not achieving park state and vehicle moving in the wrong direction (Drive vs Reverse)

See also

References

  1. "Upgrade | Audi USA". audiusanews.com. http://audiusanews.com/newsrelease.do;jsessionid=405A84FD0001C5AA0DDB5A661D296DE9?&id=2691&allImage=1&teaser=wire-technology&mid=114. Retrieved 2016-07-12. 
  2. BMW AG (2010-05-23). "BMW Technology Guide : Six-speed automatic transmission". bmw.com. http://www.bmw.com/com/en/insights/technology/technology_guide/articles/six_speed_automatic_transmission.html. Retrieved 2016-08-26. 
  3. "Automobil + Motoren | Shift-by-wire-Aktuator für Getriebe im Citroën C4 Picasso | springerprofessional.de". springerprofessional.de. http://www.springerprofessional.de/shift-by-wire-aktuator-fuer-getriebe-im-citroen-c4-picasso-6176/3941518.html. Retrieved 2016-07-12. 
  4. "A Look At Mercedes-Benz Seven-Speed Automatic Transmissions | eMercedesBenz". emercedesbenz.com. http://www.emercedesbenz.com/autos/mercedes-benz/corporate-news/a-look-at-mercedes-benz-seven-speed-automatic-transmissions/. Retrieved 2016-07-12. 
  5. "Nissan LEAF | NISSAN | TECHNOLOGICAL DEVELOPMENT ACTIVITIES". nissan-global.com. http://www.nissan-global.com/EN/TECHNOLOGY/OVERVIEW/leaf.html. Retrieved 2016-07-12. 
  6. 6.0 6.1 "FCA US Media - New Eight Speed Transmission Introduced by Chrysler". https://media.fcanorthamerica.com/newsrelease.do?id=11378&mid=. 
  7. "Europe - Next gen Renault Espace begins testing". indianautosblog.com. http://indianautosblog.com/2013/10/next-gen-renault-espace-99473. Retrieved 2016-07-12. 
  8. "Keeping You Safe | Safercar | National Highway Traffic Safety Administration (NHTSA)". www-odi.nhtsa.dot.gov. http://www-odi.nhtsa.dot.gov/cars/problems/defect/defectsummary2.cfm?inv_id=22604&type=VEHICLE&typenum=1&cmpt_id=200&prod_id=936780&make=BMW&model=745I&model_yr=2003. Retrieved 2016-07-12. 





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