2023 Subaru Forester BaseFACTORY OEM SERVICE PROCEDURE

Auto Start Stop System (Diagnostics): Electrical Component Location: Location

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(1) TCM
(2) ECM
(3) Front hood lock ASSY (with integrated hood switch)
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(1) DC/DC converter 1
(2) DC/DC converter 2 (with audio amplifier)
(3) Auto Start Stop cancel switch
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(1) Electric oil pump
(2) Inhibitor switch
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(1) Electric oil pump relay
(2) Starter relay
(3) Starter cut relay
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.