Barometric Pressure Sensor Circuit Erratic
Table of contents
P2230 CADILLAC Possible Causes
- Faulty Barometric Pressure (BARO) sensor
- Barometric Pressure (BARO) sensor harness is open or shorted
- Barometric Pressure (BARO) sensor circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How do I fix code P2230 CADILLAC?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P2230 CADILLAC code
The cost of diagnosing the P2230 CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P2230 CADILLAC Description
The Barometric Pressure (BARO) sensor is integral to the multifunction intake air sensor and responds to changes in altitude and atmospheric conditions. This gives the Powertrain Control Module (PCM) an indication of barometric pressure. The PCM uses this information to calculate fuel delivery. The BARO sensor provides a voltage signal to the PCM relative to the atmospheric pressure changes. The PCM monitors the BARO sensor signal for a voltage outside of the normal range. The Diagnostic Trouble Code (DTC) will set when the PCM detects that the cumulative difference between BARO sensor readings, over a specific length of time, is greater than a calibrated threshold.