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2003 TOYOTA TACOMA
2.7L I4•RWD•AUTOMATIC•gas•3RZ-FE
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor1066Torque2197Fluid17DTC3480Battery2Maintenance0Recalls5
P0714moderate severityPowertrain

Transmission Fluid Temperature Sensor Circuit Intermittent

on 2003 Toyota Tacoma 2.7L I4 · RWD

What this code means

The transmission fluid temperature sensor signal is cutting in and out. This affects shift timing and torque converter operation.

Symptoms

  • Erratic shifting
  • Torque converter lockup issues
  • Transmission overheating warnings

Common causes

  • Loose or corroded sensor connector
  • Intermittent wiring fault
  • Failing fluid temp sensor
  • Faulty TCM

Diagnostic steps

  1. Scan codes and review freeze frame
  2. Wiggle-test sensor wiring while monitoring temp reading
  3. Inspect connector for corrosion
  4. Replace temp sensor if signal drops out
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Other Powertrain codes on this vehicle

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