What does P0627 mean?
The computer sees an open circuit in the fuel pump control circuit, often through a fuel pump driver module.
The computer tried to control the part and saw an electrical fault, usually an open circuit.
Codes are a starting point. They tell you which test failed, not which part to replace. Check for other stored codes and fix those in a sensible order.
Symptoms
- Hard starting or no start
- Stalling
- Check engine light
Common causes
- Failed fuel pump control module
- Corroded connector
- Wiring problem
- Failed pump
How to diagnose P0627
- Check fuel pump module power and ground.
- Inspect the connector for corrosion (some modules are mounted where road salt reaches them).
- Check pump current draw.
How to fix it
- Repair wiring
- Replace the fuel pump control module
- Replace the pump
Estimated repair cost
Likely repairs for P0627 run from about $100 to $1,300, depending on the cause.
| Repair | Typical range (parts + labor) |
|---|---|
| Diagnostic fee (scan + testing) | $100 - $200 |
| Wiring/connector repair | $100 - $400 |
| In-tank fuel pump (gasoline) | $500 - $1,300 |
These are rough US estimates for an independent shop in 2026, based on typical parts prices and standard labor times. Dealers, big trucks, luxury brands and high-cost areas often run higher. They are not quotes. Use the repair cost estimator to adjust for your vehicle.
How serious is P0627?
High severity
May stall or not start. Fix promptly.
Make-specific notes
Ford
Many Ford trucks and SUVs use a fuel pump driver module mounted on the frame or near the spare tire. Corrosion there is a known cause.
Always check open recalls and technical service bulletins for your VIN.
P0627 FAQ
What does P0627 mean?
P0627 stands for "Fuel Pump "A" Control Circuit/Open". The computer sees an open circuit in the fuel pump control circuit, often through a fuel pump driver module.
Can I drive with a P0627 code?
May stall or not start. Fix promptly.
How much does it cost to fix P0627?
It depends on the cause. The likely repairs for P0627 range from about $100 to $1,300 at an independent shop in the US, plus a diagnostic fee of roughly $100-$200. These are rough estimates; dealer prices and some vehicles run higher.
What is the most common cause of P0627?
The most common causes are: failed fuel pump control module; corroded connector; wiring problem.