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.
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.
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.
Need more information on how to fix the P12A9 BMW code? Get Access to Factory Service Manuals
Get the P12A9 BMW code diagnosed by a professional: Find a repair shop in your area
Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P12A9 BMW code? Have you replaced any parts?
Any information is appreciated. Thanks