OBD Guide

P227A

Barometric Pressure Sensor C Circuit

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

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling

Causes

  • Open or short circuit in the sensor circuit
  • Barometric pressure sensor malfunction
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect the connectors and contacts of the sensor
  3. Check sensor resistance
  4. Replace barometric pressure sensor if necessary
  5. Check and replace wiring harness if damaged

Related codes

Error P227A by Vehicle Brand