P10C4 Possible Causes
- Faulty low fuel pressure sensor
- Low fuel pressure sensor harness is open or shorted
- Poor electrical connection in low fuel pressure sensor circuit
How to Fix Code P10C4?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Illuminated engine light (or service engine soon warning light)
P10C4 Meaning
The diagnostic function monitors pressure regulation in the low-pressure fuel supply system. The diagnostic trouble code (DTC) sets the low fuel pressure sensor to factory specifications.