OBD Guide

P222C

Barometric Pressure Sensor B Circuit Low

P222C is an OBD-II diagnostic trouble code meaning: Barometric Pressure Sensor B Circuit Low. Common causes: barometric pressure sensor b malfunction, open or short circuit in the sensor circuit. 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
  • Deterioration of vehicle dynamics
  • Increased fuel consumption
  • Problems starting the engine
  • Unstable engine operation at idle

Causes

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

How to Fix

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

Related codes

Error P222C by Vehicle Brand

FAQ

What does the P222C code mean?

P222C is an OBD-II diagnostic trouble code that indicates: Barometric Pressure Sensor B Circuit Low

What causes a P222C error code?

The most common causes of P222C include: Barometric pressure sensor B malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P222C diagnostic trouble code?

To fix P222C: Check the integrity of the sensor circuit. Inspect the connectors and contacts of the sensor. Check the functionality of the barometric pressure sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P222C?

Yes, but get it checked soon

How much does it cost to fix P222C?

The estimated repair cost for P222C is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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