2003 Saab 9-3 Vector, AutomaticFACTORY OEM SERVICE PROCEDURE

Bus communication, Trionic T7

Fig 1: Identifying Bus Communication - Trionic T7
G03580140Courtesy of SAAB-SCANIA OF AMERICA, INC.
  • Control module ACC (216)
  • Radio connector C (267c)
  • Control module airbag/SRS (331)
  • Radio (353)
  • CD changer (355)Β 
  • Control module PSM (357Dk)
  • Control module Trionic T7 (430b)
  • Transmission control module, TCM (502b)
  • MIU (540d)
  • SID (541)
  • Control module ABS (547)
  • Control module STC (565)
  • Control module Trionic T7 OBDII (589b)
  • Control module DICE (628)
  • Control module TWICE (632)
  • TC/ABS (382)
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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