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1998 TOYOTA TACOMA
2.7L I4•RWD•AUTOMATIC•gas
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor1047Torque1633Fluid17DTC3334Battery2Maintenance0Recalls5
P0855low severityPowertrain

Drive Switch Input Circuit High

on 1998 Toyota Tacoma 2.7L I4 · RWD

What this code means

The PCM detects an abnormally high voltage on the drive switch input. This can cause incorrect drive mode recognition.

Symptoms

  • Incorrect drive mode active
  • Warning light illuminated
  • Erratic transmission response

Common causes

  • Faulty drive switch
  • Short to voltage in circuit
  • Open circuit in wiring
  • Failed control module

Diagnostic steps

  1. Read stored codes
  2. Inspect wiring for shorts to power
  3. Test switch voltage across positions
  4. Repair wiring or replace switch
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Other Powertrain codes on this vehicle

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