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1997 TOYOTA TACOMA
2.4L I4•RWD•AUTOMATIC•gas
4 active safety recalls on this vehicle — view recalls
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Repairs0Labor492Torque1433Fluid8DTC1661Battery1Maintenance0Recalls4
P0966high severityPowertrain

Pressure Control Solenoid "B" Control Circuit Low

on 1997 Toyota Tacoma 2.4L I4 · RWD

What this code means

The control circuit for pressure control solenoid B reads lower voltage than expected. This typically indicates a short to ground or internal solenoid failure.

Symptoms

  • Harsh shifting
  • Transmission slipping
  • Check engine light on

Common causes

  • Short to ground in wiring
  • Faulty pressure control solenoid B
  • Damaged connector
  • Faulty TCM/PCM

Diagnostic steps

  1. Scan and record freeze frame data
  2. Inspect wiring for shorts to ground
  3. Measure solenoid resistance
  4. Repair wiring or replace solenoid
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