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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
P0489moderate severityPowertrain

EGR Control Circuit Low

on 2003 Toyota Tacoma 2.7L I4 · RWD

What this code means

The PCM has detected a low voltage condition in the EGR control circuit. This may prevent the EGR valve from operating properly.

Symptoms

  • Check engine light on
  • Rough idle
  • Increased NOx emissions

Common causes

  • Short to ground in wiring
  • Faulty EGR valve
  • Damaged connector
  • Faulty PCM

Diagnostic steps

  1. Scan for stored codes
  2. Check EGR control circuit voltage
  3. Inspect wiring for shorts
  4. Test EGR valve operation
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Other Powertrain codes on this vehicle

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