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P12A9 BMW Code - Boost Pressure Sensor Pressure Too High

- Code Popularity: 10,219 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By AutoCodes.com - Updated Sep 10, 2017
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|P12A9 BMW code possible causes

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

|How do I fix code P12A9 BMW code?

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 P12A9 BMW code

Labor: 1.0

The cost of diagnosing the P12A9 BMW 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.

|What are P12A9 BMW code possible symptoms?

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

|P12A9 BMW code description

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.

OBDII Code P12a9 Bmw - Boost Pressure Sensor Pressure Too High - AutoCodes.com
P12A9 BMW Code - Boost Pressure Sensor Pressure Too High

|Need more information with the P12A9 BMW code?

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|Need help with a P12A9 BMW code?

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|P12A9 BMW code comments

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