Back to 2015 Cadillac ATS

2015 CADILLAC ATS

2.5L I4RWDAUTOMATICgas
3 active safety recalls on this vehicle — view recalls
Repairs0Labor505Torque4920Fluid7DTC959Battery0Maintenance0Recalls3
P2230moderate severityPowertrain

Barometric Pressure Sensor A Circuit Low

on 2015 Cadillac ATS 2.5L I4 · RWD

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 →