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P2227MinorFuel & Air Metering

P2227 on 2018-2022 Chevrolet Equinox (LS, LT, Premier) — Barometric Pressure Sensor "A" Circuit Range/Performance

1 vehicles · 1 makes · $150-$600 repair

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Most Reported On

2018-2022Chevrolet EquinoxLS +2

P2227 is an OBD-II diagnostic trouble code meaning “Barometric Pressure Sensor "A" Circuit Range/Performance.” Generic code. The barometric pressure sensor 'A' is connected but its reading is out of range or doesn't track expected atmospheric pressure — the value is absent, inconsistent, or implausible versus other pressure sensors and known altitude. This code is most commonly reported on 2018-2022 Chevrolet Equinox (LS, LT, Premier), with repair costs ranging from $150 to $600.

On This Page

  • Common Causes
  • Repair Cost
  • Vehicles (1)
  • Related Codes
  • FAQ
  • Sources (2)
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Common Causes

1Drifting/aging BARO or MAP sensor
2Vacuum or pressure reference problem
3High-resistance wiring/connector
4Sensor contamination
5Intermittent reference voltage

Typical Repair Cost

$150 - $600

Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.

Diagnostic Tools

To diagnose P2227, you'll need an OBD-II scanner. Here are our recommendations at every price point.

Budget Pick$10–$20

ANCEL AD310 Classic OBD-II Scanner

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Best Value$90–$120

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Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.

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Advanced$180–$230

LAUNCH CRP123X OBD-II Scanner

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A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.

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Professional$350–$450

Autel MaxiCOM MK808S Diagnostic Tool

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Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.

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Vehicles Affected (1)

Chevrolet P2227 page →
EquinoxModerate

1.5L Turbo Charge Air Cooler (Intercooler) Condensation Restricting Airflow — Underboost / Reduced Engine Power

2018-2022$150-$6000 reports

Related Codes (8)

P2220NOx Sensor Heater Control Circuit High (Bank 2)P2221NOx Sensor Heater Sense Circuit (Bank 2)P2222NOx Sensor Heater Sense Circuit Range/Performance (Bank 2)P2223NOx Sensor Heater Sense Circuit Low (Bank 2)P0001Fuel Volume Regulator Control Circuit/OpenP0002Fuel Volume Regulator Control Circuit Range/PerformanceP0003Fuel Volume Regulator Control Circuit LowP0004Fuel Volume Regulator Control Circuit High

FAQ

What does P2227 mean?

P2227 stands for "Barometric Pressure Sensor "A" Circuit Range/Performance." Generic code. The barometric pressure sensor 'A' is connected but its reading is out of range or doesn't track expected atmospheric pressure — the value is absent, inconsistent, or implausible versus other pressure sensors and known altitude.

What are the most common causes of P2227?

The most common causes of P2227 are: Drifting/aging BARO or MAP sensor, Vacuum or pressure reference problem, High-resistance wiring/connector, Sensor contamination, Intermittent reference voltage. The specific cause varies by vehicle.

How much does it cost to fix P2227?

Repair costs for P2227 range from $150 to $600, depending on the vehicle and root cause.

Which vehicles are affected by P2227?

Au7o has documented P2227 across 1 vehicle models from 1 manufacturers: Chevrolet.

Sources (2)

  • articleHere's Why Your Chevy Equinox May Have Reduced Engine Power - GM Authority
  • articleChevy Equinox Engine Power Reduced: Causes & Fixes - DIYCarExpert
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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.

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