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2014 TOYOTA 4RUNNER

4.0L V64WDAUTOMATICgas
7 active safety recalls on this vehicle — view recalls
Repairs0Labor593Torque3746Fluid9DTC924Battery1Maintenance0Recalls7
P3061moderate severityPowertrain

Shift Quality - Harsh Upshift Detected

on 2014 Toyota 4Runner 4.0L V6 · 4WD

What this code means

The TCM detected shift quality parameters outside acceptable range during upshifts. Shift flare or bind-up is occurring.

Symptoms

  • Check Engine Light
  • Harsh 1-2 or 2-3 upshift
  • Vehicle jerks during upshift
  • Passengers feel impact during shifts
  • Delayed then sudden engagement
  • Driveline clunk on shifts

Common causes

  • Worn shift solenoid
  • Incorrect line pressure
  • Accumulator piston wear
  • Valve body bore wear
  • Transmission fluid degradation

Diagnostic steps

  1. Monitor shift time and quality PIDs
  2. Check line pressure at each gear
  3. Inspect shift solenoids electrically
  4. Review TCM shift adaptation values
  5. Perform fluid and filter service

Repair notes

Replace shift solenoids or valve body. Transmission fluid service may help in early stages. Reset shift adaptations after repair.

Other Powertrain codes on this vehicle

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