P123B - BARO Sensor / TC/SC Boost Pressure Sensor 'B' Correlation

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

P123B 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 Supercharger (SC) Boost Pressure Sensor 'A'
  • Supercharger (SC) Boost Pressure Sensor 'A' harness is open or shorted
  • Supercharger (SC) Boost Pressure Sensor 'A' circuit poor electrical connection

How do I fix code P123B?

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.
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Cost of diagnosing the P123B code

Labor: 1.0

The cost of diagnosing the P123B 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)

P123B Description

The Powertrain Control Module (PCM) monitors the Barometric Pressure (BARO) Sensor and Turbocharger (TC) / Supercharger (SC) Boost Pressure Sensor 'B'. The PCM sets the OBDII code when the Barometric Pressure (BARO) Sensor and Turbocharger (TC) / Supercharger (SC) Boost Pressure Sensor 'B' is not to factory specifications.
OBDII Code P123b - BARO Sensor / TC/SC Boost Pressure Sensor 'B' Correlation - AutoCodes.com

More Information

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Information for specific makes

  • P123B FORD BARO Sensor / TC/SC Boost Pressure Sensor 'B' Correlation

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