Code result
P00C9
Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit Low
High severity
What it means
Supply voltage to fuel pressure regulator A solenoid below expected range — fuse, relay or wiring fault.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Supply fuse blown or relay failed
highOne of the most commonly reported causes for this code — check this first.
Connector pins corroded - high contact resistance
lowLess common, but worth ruling out after the more likely causes.
Harness chafing through insulation
lowLess common, but worth ruling out after the more likely causes.
Related help
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