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HOMESERVICE MANUALSSUBARU2016LEGACY 2.5IREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSCONTINUOUSLY VARIABLE TRANSAXLE (CVT) (DIAGNOSTICS)DIAGNOSTICS WITH PHENOMENONINSPECTION
2016 Subaru Legacy 2.5i

Diagnostics with Phenomenon: Inspection

2016 Subaru Legacy 2.5iSECTION Inspection
Symptoms Faulty parts
Engine stalls when driving in "D" or "R" range, or selecting "N" → "D", "N" → "R".
  • Control valve
  • Engine control system
While driving in "D" range, vibration occurs immediately before the stop or engine stalls.
  • Control valve
  • Torque converter
Vehicle cannot shift while driving in "D" range.
  • Control valve
  • TCM
  • Shift mechanism
  • Power supply system
Excessive shock when selecting "N" → "D", and "N" → "R".
  • Control valve
  • TCM
  • F & R clutch pack
  • ATF deterioration or lack
Excessive shock at standing start in "D" range.
  • Control valve
  • TCM
  • F & R clutch pack
  • ATF deterioration or lack
Engine speed increases abruptly during driving in "D" or "R" range.
  • Control valve
  • Secondary pressure sensor
  • F & R clutch pack
  • ATF deterioration or lack
Vehicle can not start when depressing the accelerator pedal in "D" or "R" range, or acceleration is very poor. (without abrupt engine increase)
  • Control valve
  • F & R clutch pack
  • Shift mechanism
  • Parking mechanism
  • Engine control system
  • Power supply system
Shift indicator in combination meter displays the position which differs from select lever position.
  • Inhibitor switch
  • Select cable related
  • Combination meter
Manual mode enters even though the select lever and paddle shift switch is not operated.
  • Manual mode switch
  • Paddle shift switch
  • Select lever
  • TCM
Engine speed increases abruptly in "D" or "R" range, vehicle can not start.
  • F & R clutch pack
  • Select cable related
Manual mode can not be set
  • Select lever
  • TCM
RENDER: 1.0x

NO RELATED

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

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