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2017 CADILLAC XTS

3.6L V6FWDAUTOMATICgas
Repairs0Labor479Torque3822Fluid6DTC969Battery0Maintenance0Recalls0
P2230moderate severityPowertrain

Barometric Pressure Sensor A Circuit Low

on 2017 Cadillac XTS 3.6L V6 · FWD

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

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