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Home >> Land Rover >> 2021 >> Defender 110 S >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission External Controls -- Defender/L663 >> Automatic Transmission External Controls (G2423681) >> Description And Operation >> External Controls - Vehicles With: 8HP70 8-Speed Automatic Transmission AWD (G2413250) >> Control Diagram

Control Diagram

G15309296Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

AX = FLEXRAY SYSTEMS BUS: BL = HIGH SPEED (HS) CONTROLLER AREA NETWORK (CAN) UNDERBODY SYSTEMS BUS. 

ITEM DESCRIPTION
1 Transmission Control Module (TCM)
2 Transmission Control Switch (TCS)
3 Anti-lock Brake System (ABS) control module
4 Body Control Module/Gateway Module (BCM/GWM)
5 Powertrain Control Module (PCM)
6 Ground
7 Power supply