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2017 FORD F-150
3.5L V6 EcoBoost•RWD•AUTOMATIC•gas•turbo
18 active safety recalls on this vehicle — view recalls
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Repairs418Labor1009Torque7006Fluid18DTC3814Battery2Maintenance0Recalls18
P0880moderate severityPowertrain

TCM Power Input Signal

on 2017 Ford F-150 3.5L V6 EcoBoost · RWD

What this code means

The transmission control module is not seeing the expected power input signal. This usually points to a wiring or supply problem feeding the TCM.

Symptoms

  • Erratic or harsh shifting
  • Transmission warning light on
  • Transmission may go into limp mode

Common causes

  • Corroded or loose TCM power connector
  • Blown or weak fuse feeding TCM
  • Damaged wiring to the TCM
  • Faulty transmission control module

Diagnostic steps

  1. Check and clean TCM power connectors
  2. Test fuse and power supply to TCM
  3. Measure voltage at TCM power input pin
  4. Inspect wiring harness for damage or shorts
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