OBD Guide

P227D

Barometric Pressure Sensor C Circuit High

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

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Check Engine Light Is On
  • Problems starting at high altitude

Causes

  • Atmospheric pressure sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Short circuit to ground or power
  • ECU problems

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts
  3. Check the voltage and resistance of the sensor
  4. Replace sensor if necessary
  5. Check ECU firmware updates

Related codes

Error P227D by Vehicle Brand