MAF Sensor High Input
The mass air flow sensor is reporting a higher than expected voltage.
Informational only. Consult a qualified mechanic.
- Faulty MAF sensor
- Short in wiring
- PCM issue
Inspect wiring for shorts and replace MAF sensor if needed.
What does P0103 mean?
The P0103 OBD-II diagnostic trouble code (DTC) indicates: maf sensor high input. This is a medium-severity powertrain code that your vehicle's onboard diagnostics system triggers when the mass air flow sensor is reporting a higher than expected voltage. If your check engine light is on with this code, the vehicle is generally safe to drive, but you should have it inspected soon.
Use Your Service Book to log this diagnostic trouble code to your vehicle's service history, track repairs, and get maintenance reminders — all for free.
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