OBD Guide

P222A

Barometric Pressure Sensor B Circuit

P222A is an OBD-II diagnostic trouble code meaning: Barometric Pressure Sensor B Circuit. Common causes: open or short circuit in the sensor circuit, barometric pressure sensor b 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
  • The engine is running in emergency mode
  • Unstable idling

Causes

  • Open or short circuit in the sensor circuit
  • Barometric pressure sensor B malfunction
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect the sensor connector and contacts
  3. Check sensor resistance
  4. Replace barometric pressure sensor B if necessary
  5. Reset the error and check the system operation

Related codes

Error P222A by Vehicle Brand

FAQ

What does the P222A code mean?

P222A is an OBD-II diagnostic trouble code that indicates: Barometric Pressure Sensor B Circuit

What causes a P222A error code?

The most common causes of P222A include: Open or short circuit in the sensor circuit; Barometric pressure sensor B malfunction; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P222A diagnostic trouble code?

To fix P222A: Check the integrity of the sensor circuit. Inspect the sensor connector and contacts. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P222A?

Yes, but get it checked soon

How much does it cost to fix P222A?

The estimated repair cost for P222A is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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