OBD Guide

P2227

Barometric Pressure Sensor A Circuit Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Unstable engine operation at idle
  • Reduced engine power
  • Increased fuel consumption
  • Problems starting the engine

Causes

  • Faulty barometric pressure sensor
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Contact corrosion
  • ECU software error

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Measure the voltage and resistance in the sensor circuit
  3. Clean contacts from corrosion
  4. Replace faulty BARO sensor
  5. If necessary, update the ECU firmware

Related codes

Error P2227 by Vehicle Brand