P12A8 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 P12A8
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 the P12A8 code
Labor: 1.0The cost of diagnosing the P12A8 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.
P12A8 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P12A8 MeaningDuring the control module's shutdown phase the diagnostic function monitors the barometric pressure sensor, intake-manifold sensor and the pressure sensor on the air-intake side of the throttle valve 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.
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