Open circuit or other wiring/connector problem in the fuel shutoff valve control circuit (both sources). Failed valve; RepairPal lists fuel pressure regulator failure. Engine computer (PCM) problem, less likely (RepairPal).

Repair open, damaged or corroded wiring or connectors in the valve circuit (both sources point to the circuit). Replace the valve or fuel pressure regulator if it fails testing (RepairPal). Suspect the PCM only after the valve and its circuit check out (RepairPal).

P0005⛽ Fuel system / fuel shutoff valve control circuitStop and fix promptly

P0005: Fuel Shutoff Valve "A" Control Circuit/Open (Meaning, Causes, Fixes)

Q: What does P0005 mean?

P0005 means the engine computer has found a problem, most likely an open circuit, in the control circuit of fuel shutoff valve "A". It is a rarely seen generic code, and the likely causes are wiring, the valve itself, or less often the engine computer. P0005 is a generic OBD2 code defined as Fuel Shutoff Valve "A" Control Circuit/Open. OBD-Codes.com calls it a very rarely seen code with little good information available, and says the definition points to an open circuit in the electrical system for the fuel shutoff valve control. RepairPal describes the part involved as a fuel pressure relief valve that releases excessive fuel pressure, and says the code sets when the engine computer (PCM) detects an issue with that valve's signal. Which valve this is, and where it sits, depends on the make and model, so the factory service manual for your vehicle is the best guide. Related codes are P0006 (circuit low) and P0007 (circuit high).

Q: Can I keep driving with P0005?

Stop and fix promptly. RepairPal rates P0005 urgent, meaning it should be dealt with right away, and lists stalling among the symptoms. OBD-Codes.com gives no rating and only lists the check engine light. Because a fuel valve fault can affect how the engine runs, get it diagnosed soon.

Reviewed 2026-10-24 · Based on 2 cited source(s)

What P0005 means

P0005 is a generic OBD2 code defined as Fuel Shutoff Valve "A" Control Circuit/Open. OBD-Codes.com calls it a very rarely seen code with little good information available, and says the definition points to an open circuit in the electrical system for the fuel shutoff valve control. RepairPal describes the part involved as a fuel pressure relief valve that releases excessive fuel pressure, and says the code sets when the engine computer (PCM) detects an issue with that valve's signal. Which valve this is, and where it sits, depends on the make and model, so the factory service manual for your vehicle is the best guide. Related codes are P0006 (circuit low) and P0007 (circuit high).

Severity: can I keep driving?

Stop and fix promptly

RepairPal rates P0005 urgent, meaning it should be dealt with right away, and lists stalling among the symptoms. OBD-Codes.com gives no rating and only lists the check engine light. Because a fuel valve fault can affect how the engine runs, get it diagnosed soon.

Common symptoms

Check engine light on (OBD-Codes.com)
Decreased engine performance (RepairPal)
Engine may stall (RepairPal)
Increased fuel consumption (RepairPal)

Likely causes

Roughly most to least common, based on the sources below. Your vehicle may differ.

Open circuit or other wiring/connector problem in the fuel shutoff valve control circuit (both sources)
Failed valve; RepairPal lists fuel pressure regulator failure
Engine computer (PCM) problem, less likely (RepairPal)

Diagnostic steps you can do

⚠ Before you start

Work on a cool engine, parked on level ground with the parking brake set. Never work under a car supported only by a jack.

Check for other stored codes, especially P0006, P0007 or fuel pressure codes such as P0087 to P0093, which help narrow down the fault.
Look up technical service bulletins (TSBs) for your year, make and model, since information on this code is limited and a bulletin may point straight to a known fix.
Visually inspect the wiring and connectors at the fuel shutoff valve for broken or chafed wires, corrosion or loose connections, and repair what you find.
Use the factory service manual for your vehicle to find the valve and its test steps (OBD-Codes.com).

Typical fixes

Repair open, damaged or corroded wiring or connectors in the valve circuit (both sources point to the circuit)
Replace the valve or fuel pressure regulator if it fails testing (RepairPal)
Suspect the PCM only after the valve and its circuit check out (RepairPal)

Repair costs vary widely by vehicle, region, parts brand and shop, so we don't quote prices. Get a written estimate after diagnosis.

🛠 When to call a pro

Following the factory service manual's troubleshooting steps for the specific vehicle (OBD-Codes.com)
Checking the valve circuit for opens, shorts and resistance using the factory wiring diagram
Testing the valve's operation and comparing commanded and actual fuel pressure with a scan tool
PCM testing or replacement if everything else checks out

Where to buy

Plain search links. Always match parts to your exact year, make, model and engine.

OBD2 scanners on Amazon Parts at Advance Auto Parts catalog at RockAuto

FAQs

Can I keep driving with P0005?

It is not a good idea. RepairPal rates P0005 urgent and says the engine may stall. OBD-Codes.com only lists the check engine light, but stalling is reason enough to get it diagnosed soon.

What does 'circuit/open' mean?

It means the engine computer thinks the electrical path to the fuel shutoff valve is broken, for example a cut wire, a loose or corroded connector, or a failed valve coil.

How is P0005 different from P0006 and P0007?

All three are fuel shutoff valve "A" control circuit codes. P0005 points to an open circuit, P0006 to a circuit reading low and P0007 to a circuit reading high.

Do the sources agree on the details?

Only partly, and both are thin on this code. OBD-Codes.com says there is little good information, lists only the check engine light, and points to an open circuit. RepairPal describes the part as a fuel pressure relief valve rather than a shutoff valve, rates the code urgent, adds reduced performance, stalling and higher fuel use, and lists fuel pressure regulator failure, the PCM and wiring as causes. OBD-Codes.com gives no severity rating. Neither source gives a repair cost.

Sources

Last reviewed 2026-10-24. Code definitions and repair steps can vary by manufacturer. Confirm with your vehicle's service information.