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P1583high severityPowertrain

Throttle Actuator Position Sensor Circuit Malfunction

on 2007 Honda Odyssey 3.5L V6 · FWD

What this code means

The throttle actuator position sensor circuit is faulty, so the ECM loses accurate throttle plate feedback. This is part of the electronic throttle system.

Symptoms

  • Check engine light on
  • Reduced power / limp mode
  • Erratic idle or acceleration

Common causes

  • Faulty throttle position sensor
  • Wiring or connector fault
  • Dirty throttle body
  • Faulty ECM

Diagnostic steps

  1. Scan and confirm P1583
  2. Inspect TPS wiring and connector
  3. Measure sensor voltage sweep
  4. Replace throttle body if sensor faulty

Other Powertrain codes on this vehicle

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