OBD Guide

P227A

Barometric Pressure Sensor C Circuit

P227A is an OBD-II diagnostic trouble code meaning: Barometric Pressure Sensor C Circuit. Common causes: open or short circuit in the sensor circuit, barometric pressure sensor malfunction. Estimated repair cost: $17–56.

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

FAQ

What does the P227A code mean?

P227A is an OBD-II diagnostic trouble code that indicates: Barometric Pressure Sensor C Circuit

What causes a P227A error code?

The most common causes of P227A include: Open or short circuit in the sensor circuit; Barometric pressure sensor malfunction; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P227A diagnostic trouble code?

To fix P227A: Check the integrity of the sensor circuit. Inspect the connectors and contacts of the sensor. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P227A?

Yes, but get it checked soon

How much does it cost to fix P227A?

The estimated repair cost for P227A is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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