Allison Automatic Transmissions

sb dm 05.07.000

Allison automatic transmissions are controlled by one of the following shift controls depending on what is installed in the vehicle. See Fig., see Fig., see Fig. and see Fig.. For vehicles equipped with the automatic transmission multifunction control, shown in Fig., the control moves in two directions and has two switches. It is used to request manual shifts, change shift mode, set engine brake levels, and control specialty engine brake functions. See General Information for complete transmission operating instructions.

  1. Drive (D) Button

  2. Neutral (N) Button

  3. Reverse (R) Button

  4. Select Display

  5. Select/Monitor Display Window

  6. Monitor Display

  7. Service Display

  8. Mode Button

  9. Upshift Button

  10. Downshift Button

Fig. 1, GEN IV Shift Selector

  1. SBW Shift Selector

  2. Drive (D) Button

  3. Neutral (N) Button

  4. Reverse (R) Button

  5. Park (P) Button

  6. Select Display

  7. Select/Monitor Display Window

  8. Monitor Display

  9. Service Display

  10. Mode Function Label

  11. Mode Light

  12. Mode Button

  13. Upshift Button

  14. Downshift Button

Fig. 2, Shift-By-Wire (SBW) Shift Selector

Fig. 3,  T-Handle Shift Control (typical)

  • Front View

  • Shift Up/Down Requests

  • Four positions for engine brake settings

  1. Engine Brake Symbol

  2. Drive/Neutral/Reverse Switch

  3. Shift Mode Switch (Economy/Performance/Manual)

  4. Gear Shift Symbol

Fig. 4, Automated/Automatic Transmission Multifunction Control

Note:
Parent topic: Powertrain Controls
Document Number: 0000117556
Manual Publication Date: 2024-05-06
Topic Publication Date: 2024-05-07