Diagnostics with Phenomenon: Inspection

2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Inspection
Symptoms Faulty parts
Engine stalls when driving in "D" or "R" range, or selecting "N" β†’ "D", "N" β†’ "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" β†’ "D", and "N" β†’ "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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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.