Engine-Codes - Generic - P123A

P123A Code - BARO Sensor / TC/SC Boost Pressure Sensor 'A' Correlation

- Code Popularity: 8,493 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC P123A?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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
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How to Fix the DTC P123A?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P123A code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P123A Code Mean?

The Powertrain Control Module (PCM) monitors the Barometric Pressure (BARO) Sensor and Turbocharger (TC) / Supercharger (SC) Boost Pressure Sensor 'A'. The PCM sets the OBDII code when the Barometric Pressure (BARO) Sensor and Turbocharger (TC) / Supercharger (SC) Boost Pressure Sensor 'A' is not to factory specifications.

P123A Code - BARO Sensor / TC/SC Boost Pressure Sensor 'A' Correlation

Need more Information on the Code?

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Code P123A Information for Specific Makes

  • P123A Ford BARO Sensor / TC/SC Boost Pressure Sensor 'A' Correlation

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