Engine-Codes - Generic - P129A

P129A - Charge Air Pressure Sensor Run On Pressure Implausible

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

P129A Possible Causes

  • Faulty Charge Air Pressure Sensor
  • Charge Air Pressure Sensor harness is open or shorted
  • Charge Air Pressure Sensor circuit poor electrical connection

How do I fix code P129A?

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 P129A code

Labor: 1.0

The cost of diagnosing the P129A code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P129A Meaning

The Engine Control Module (ECM) monitors the Charge Air Pressure Sensor. The ECM sets the OBDII code when the Charge Air Pressure Sensor is not to factory specifications.

P129A More Information

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Information for specific makes

  • P129A BMW Charge Air Pressure Sensor Run On Pressure Implausible
  • P129A MINI Charge Air Pressure Sensor Run On Pressure Implausible

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