2017 Volvo S90 T6 InscriptionFACTORY OEM SERVICE PROCEDURE

Engine Control Module (ECM) [2017, B4204T23 | 2017, B4204T27]: Removal

Set the vehicle to Inactive mode, described in user mode, refer to: USAGE MODE

Remove the left front wheel, refer to: WHEELS

GLL1023169Courtesy of VOLVO CARS CORPORATION

Remove the screws.

GLL1033844Courtesy of VOLVO CARS CORPORATION

Remove the nut.

GLL1002233Courtesy of VOLVO CARS CORPORATION

Fold the wing liner aside.

GLL1029384Courtesy of VOLVO CARS CORPORATION

Remove the screws.

GLL1002805Courtesy of VOLVO CARS CORPORATION

Loosen the clips.

Remove the marked part.

GLL1021532Courtesy of VOLVO CARS CORPORATION

Disconnect the connectors.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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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