OBD Guide

P222B

Barometric Pressure Sensor B Circuit Range/Performance

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

Symptoms

  • Check Engine light comes on
  • Slight deterioration in vehicle dynamics
  • Increased fuel consumption
  • 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
  • Problems with power or grounding of the circuit
  • Mechanical damage to the sensor

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for oxidation
  3. Check circuit power and grounding
  4. Test the barometric pressure sensor
  5. Replace sensor if necessary

Related codes

Error P222B by Vehicle Brand