Back to 2007 GMC Yukon

2007 GMC YUKON

6.2L V84WDAUTOMATICgas
4 active safety recalls on this vehicle — view recalls
Repairs0Labor519Torque6083Fluid9DTC886Battery0Maintenance0Recalls4
P2229moderate severityPowertrain

Barometric Pressure Sensor A Circuit Range/Performance

on 2007 GMC Yukon 6.2L V8 · 4WD

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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