Engine-Codes - Mini - P12A9 MINI

P12A9 MINI - Boost Pressure Sensor Pressure Too High

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

P12A9 MINI Possible Causes

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

How is the P12A9 MINI code repair?

Start by checking 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.

What is the cost to diagnose the P12A9 MINI code

Labor: 1.0

The cost to diagnose the P12A9 MINI 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)

P12A9 MINI Meaning

During the control module's shutdown phase the diagnostic function monitors the barometric- pressure sensor, intake-manifold pressure sensor, and boost-pressure sensor to determine whether they are all measuring the same
pressure. The ECM sets the OBDII code when the Boost Pressure Sensor is not to factory specifications.

More Information

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