What are the possible causes of the MINI P12A3 code?
- Faulty Manifold Absolute Pressure (MAP) sensor
- Manifold Absolute Pressure (MAP) sensor harness is open or shorted
- Poor electrical connection in the Manifold Absolute Pressure (MAP) sensor circuit
How to repair the MINI P12A3 code?
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 pins.
What are the possible symptoms of the MINI P12A3 code?
- Engine light on (or Service Engine Soon warning light)
What does the MINI P12A3 code mean?
The Engine Control Module (ECM) monitors the Manifold Absolute Pressure (MAP) sensor. The ECM sets the OBDII code when the Manifold Absolute Pressure (MAP) sensor does not meet factory specifications.