P129C - Ambient Pressure Sensor Run On Pressure Implausible
- Faulty Ambient Pressure Sensor
- Ambient Pressure Sensor harness is open or shorted
- Ambient Pressure Sensor circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P129c DescriptionThe Engine Control Module (ECM) monitors the Ambient Pressure Sensor. The ECM sets the OBDII code when the Ambient Pressure Sensor is not to factory specifications.
P129C Information for specific makes
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