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2022 FORD F-150
3.5L V6 EcoBoost•4WD•AUTOMATIC•gas•turbo
23 active safety recalls on this vehicle — view recalls
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Repairs423Labor507Torque5407Fluid10DTC1607Battery1Maintenance0Recalls23
P0727moderate severityPowertrain

Engine Speed Input Circuit No Signal

on 2022 Ford F-150 3.5L V6 EcoBoost · 4WD

What this code means

The transmission controller sees no engine speed signal at all. Without RPM data the transmission cannot set shift points correctly.

Symptoms

  • No or delayed shifts
  • Torque converter won't lock
  • Check engine light on

Common causes

  • Open in engine speed circuit
  • Faulty engine speed sensor
  • Disconnected connector
  • Faulty PCM/TCM

Diagnostic steps

  1. Scan codes and freeze frame
  2. Check for RPM signal at TCM
  3. Test circuit continuity between PCM and TCM
  4. Repair open or replace sensor
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