P129C Possible Causes
- Faulty Ambient Pressure Sensor
- Ambient Pressure Sensor harness is open or shorted
- Ambient Pressure Sensor circuit poor electrical connection
How do I fix code P129C
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 P129C code
Labor: 1.0The cost of diagnosing the P129C 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.
P129C Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P129C MeaningThe 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 More InformationNeed more information on how to fix the P129C code?
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