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2024 TOYOTA CAMRY
2.5L I4•FWD•AUTOMATIC•gas•A25A-FKS
1 active safety recall on this vehicle — view recalls
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Repairs413Labor483Torque4163Fluid7DTC1590Battery1Maintenance0Recalls1
P0147low severityPowertrain

O2 Sensor Heater Circuit (Bank 1 Sensor 3)

on 2024 Toyota Camry 2.5L I4 · FWD

What this code means

The heater circuit for the third oxygen sensor on bank 1 has a fault. The sensor may take too long to reach operating temperature.

Symptoms

  • Check engine light on
  • Failed emissions test
  • Slow O2 sensor warm-up

Common causes

  • Faulty O2 sensor heater element
  • Blown heater fuse
  • Wiring or connector fault
  • Faulty PCM

Diagnostic steps

  1. Check O2 heater fuse
  2. Test heater element resistance
  3. Inspect wiring and connector
  4. Replace sensor if heater failed
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