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P1108

BARO Sensor Circuit High Input

2016-2021 Honda Civic 2.0L I4

Moderate SeverityPowertrain

Description

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

P1108 on Other Vehicles

Common Questions

What does code P1108 mean on a 2016-2021 Honda Civic?

P1108 stands for "BARO Sensor Circuit High Input". The BARO sensor voltage is above maximum threshold.

What are the symptoms of P1108 on a Honda Civic?

Common symptoms of P1108 include: CEL, Poor performance, Rich running, Black exhaust.

What causes P1108 on a 2016-2021 Honda Civic?

Common causes of P1108 include: Open signal circuit, Short to voltage, Faulty sensor, Faulty PCM.

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