P2228Fuel & Air Metering

Barometric Pressure Circuit Low

P2228 means the barometric pressure sensor circuit is reading a voltage that is too low, usually from a short to ground, an open circuit, or a failed sensor.

🚗 Yes, but have it checked soon.
LOW
severity
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🎯 Top Causes, Ranked by Likelihood

#1Faulty BARO or MAP sensor$50-$250
45%
An internal fault pulls the signal low.
#2Short to ground in wiring$50-$250
30%
A damaged harness shorts the signal circuit.
#3Connector corrosion$50-$200
15%
Poor contact drops the voltage.
#4ECM fault$300-$1000
10%
Rarely, the module misreads the input.

🩺 Common Symptoms

💰 Repair Cost: DIY vs Shop

DIY Cost
$50-$250
Shop Cost
$150-$400

📋 Free OBD2 Code Cheat Sheet

The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.

🔧 How to Diagnose P2228

1Inspect sensor wiring for shorts to ground
2Check the connector for corrosion
3Measure sensor voltage with a meter
4Replace the sensor if confirmed

❓ Frequently Asked Questions

Can I drive with P2228?
Yes, short-term, but repair it to restore accurate readings.
How much to fix P2228?
Usually $150-$400 at a shop.
What causes P2228 most often?
A failed sensor or a short to ground in the wiring.

🔗 Related Codes

P2226P2227P2229P0107P0108
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