Back to 2021 Mazda Mazda3

2021 MAZDA MAZDA3

2.0L I4AWDAUTOMATICgas
1 active safety recall on this vehicle — view recalls
Repairs0Labor511Torque3820Fluid9DTC919Battery0Maintenance0Recalls1
P2230moderate severityPowertrain

Barometric Pressure Sensor A Circuit Low

on 2021 Mazda Mazda3 2.0L I4 · AWD

What this code means

Barometric pressure sensor signal is below expected minimum.

Symptoms

  • Check engine light
  • Over-fueling
  • Black smoke

Common causes

  • Short to ground
  • Failed sensor
  • Wiring fault

Diagnostic steps

  1. Measure sensor voltage
  2. Check for shorts to ground

Repair notes

Replace sensor or repair wiring.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →