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1999 TOYOTA TACOMA
2.7L I4•RWD•AUTOMATIC•gas
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor1040Torque1598Fluid17DTC3336Battery2Maintenance0Recalls5
P0973moderate severityPowertrain

Shift Solenoid A Control Circuit Low

on 1999 Toyota Tacoma 2.7L I4 · RWD

What this code means

The transmission control module detected a low voltage condition in the shift solenoid A control circuit. This can prevent proper gear shifts controlled by that solenoid.

Symptoms

  • Stuck in gear
  • Harsh shifts
  • Transmission warning light

Common causes

  • Short to ground in solenoid wiring
  • Faulty shift solenoid A
  • Corroded or loose connector
  • Failed transmission control module

Diagnostic steps

  1. Retrieve fault codes
  2. Inspect solenoid A wiring and connector
  3. Measure resistance and check for short to ground
  4. Replace shift solenoid A if out of spec
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