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2019 BUICK ENCLAVE

3.6L V6AWDAUTOMATICgas
1 active safety recall on this vehicle — view recalls
Repairs0Labor505Torque2488Fluid9DTC971Battery0Maintenance0Recalls1
P2229moderate severityPowertrain

Barometric Pressure Sensor A Circuit Range/Performance

on 2019 Buick Enclave 3.6L V6 · AWD

What this code means

The barometric pressure sensor is reading outside expected range for current conditions.

Symptoms

  • Check engine light
  • Poor fuel economy
  • Power loss at altitude

Common causes

  • Failed BARO sensor
  • Sensor intake blocked
  • ECM reference voltage issue

Diagnostic steps

  1. Compare BARO reading to known atmospheric pressure
  2. Check sensor connector
  3. Verify 5V reference

Repair notes

Replace barometric pressure sensor or repair wiring.

Other Powertrain codes on this vehicle

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