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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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Repairs0Labor1040Torque1596Fluid17DTC3336Battery2Maintenance0Recalls5
P0857moderate severityPowertrain

Traction Control Input Signal Range/Performance

on 1998 Toyota Tacoma 2.7L I4 · RWD

What this code means

The PCM receives a traction control input signal that is out of the expected range or performance limits. This may cause traction and stability systems to behave incorrectly.

Symptoms

  • Traction control warning light
  • Stability control disabled
  • Intermittent engine power loss

Common causes

  • Faulty wheel speed or traction sensor
  • CAN signal noise or interference
  • Failed traction control module
  • Wiring or connector fault

Diagnostic steps

  1. Scan PCM and ABS for codes
  2. Review data stream for signal range
  3. Inspect wiring and sensor connectors
  4. Replace faulty sensor or module
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