P1246high severityPowertrain

Accelerator Position Sensor 1 Circuit

on 2016 Honda Pilot 3.5L V6 · AWD

What this code means

The APP Sensor 1 signal is out of range or erratic.

Symptoms

  • CEL
  • Reduced power
  • Erratic throttle
  • No response to pedal

Common causes

  • Faulty APP sensor
  • Damaged wiring
  • Corroded connector
  • Pedal assembly fault

Diagnostic steps

  1. Test APP sensor voltage
  2. Inspect connector
  3. Check wiring
  4. Compare to specs

Repair notes

Replace accelerator pedal assembly.

Other Powertrain codes on this vehicle

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