P1108moderate severityPowertrain

BARO Sensor Circuit High Input

on 2009 Honda Pilot 3.5L V6 · AWD

What this code means

The BARO sensor voltage is above maximum threshold.

Symptoms

  • CEL
  • Poor performance
  • Rich running
  • Black exhaust

Common causes

  • Open signal circuit
  • Short to voltage
  • Faulty sensor
  • Faulty PCM

Diagnostic steps

  1. Check sensor voltage
  2. Test for opens
  3. Inspect wiring
  4. Test PCM

Repair notes

Repair circuit or replace sensor.

Other Powertrain codes on this vehicle

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