Engine-Codes - Mini - P12B8 MINI

P12B8 MINI - Ambient Pressure Sensor Overrun Pressure Too Low

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

P12B8 MINI Possible Causes

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

How is the P12B8 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 P12B8 MINI code

Labor: 1.0

The cost to diagnose the P12B8 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)

P12B8 MINI Meaning

The diagnostic function monitors the voltage at the boost pressure sensor. The ECM sets the OBDII code when the Ambient Pressure Sensor is not to factory specifications.

More Information

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