P2922 – Fuel Cutoff Valve “A” Control Circuit High

System: Powertrain | Standard: ISO/SAE Controlled | Fault type: Circuit High | Location: Designator A

Definition source: SAE J2012/J2012DA (industry standard)

DTC P2922 indicates the powertrain control module has detected a high electrical condition in the control circuit for Fuel Cutoff Valve “A”. “Circuit High” is a signal/electrical description, not a confirmed mechanical failure of the valve itself; it typically points to the commanded/monitored circuit voltage being higher than expected for the operating state. The exact valve location, wiring layout, and monitoring strategy vary by vehicle, so always confirm component identification, pinouts, and test procedures in the appropriate service information. Because this circuit is tied to fuel delivery control, the impact can range from no obvious symptoms to a no-start or stall, depending on how the system fails and how the module reacts.

What Does P2922 Mean?

P2922 – Fuel Cutoff Valve “A” Control Circuit High means the powertrain control system has identified an abnormally high electrical signal/voltage condition on the control circuit used to operate Fuel Cutoff Valve “A”. Under SAE J2012 DTC conventions, this is an electrical fault classification consistent with a High Input style problem (for example, short-to-power, open ground, or a control/feedback line stuck high). The code does not, by itself, prove the fuel cutoff valve is mechanically stuck or that fuel flow is incorrect; it indicates the circuit behavior seen by the controller is higher than the expected range for the commanded state.

Quick Reference

• Subsystem: Fuel Cutoff Valve “A” control circuit (powertrain fuel control/actuation).
• Common triggers: Control wire shorted to power, open ground on the actuator circuit, connector faults causing the circuit to read high, or an internally shorted actuator/driver.
• Likely root-cause buckets: Wiring/connector damage, power/ground integrity issues, actuator (fuel cutoff valve) electrical fault, control module output driver issue.
• Severity: Varies; may cause reduced performance, stalling, or no-start depending on system strategy and failure mode.
• First checks: Verify the correct valve/connector, inspect harness routing and connectors, check for corrosion/loose pins, confirm related fuses/feeds and grounds are intact.
• Common mistakes: Replacing the valve without proving a circuit-high condition; skipping pin-fit checks; ignoring harness chafing near heat/moving components; not verifying power/ground under load.

Theory of Operation

A fuel cutoff valve is an electronically controlled device used to enable or interrupt fuel flow as commanded by the powertrain controller. Depending on vehicle design, the controller may switch power to the valve, switch the ground side, or use a dedicated driver. The controller typically monitors the control circuit’s electrical state (and sometimes a feedback signal) to confirm the circuit transitions as expected when the valve is commanded on and off.

P2922 sets when the module detects the circuit is reading higher than expected for the commanded state or operating conditions. Common electrical reasons include a control wire shorted to a voltage source, an open ground path that prevents the circuit from being pulled low, high resistance at a connector that alters the sensed state, or an internal fault in the actuator or driver circuit. Detection logic and thresholds vary by vehicle, so follow service information for the exact monitor description.

Symptoms

• Check engine light: Malfunction indicator lamp illuminated with P2922 stored.
• No-start: Engine may crank but not start if fuel delivery is inhibited.
• Stall: Engine may stall unexpectedly if fuel cutoff is commanded or fails safe.
• Reduced power: Limited performance due to protective control strategy.
• Rough running: Unstable idle or hesitation if fuel control is disrupted.
• Extended crank: Longer-than-normal crank time before starting, depending on failure mode.
• Intermittent behavior: Symptoms may come and go with vibration, temperature, or harness movement.

Common Causes

• Open circuit in the Fuel Cutoff Valve “A” control wire (broken conductor, poor splice, backed-out terminal)
• Short-to-power on the Fuel Cutoff Valve “A” control circuit (chafed harness contacting a powered feed)
• High resistance or open on the Fuel Cutoff Valve “A” ground path (where the circuit design uses a dedicated ground)
• Connector issues at the valve or control module (corrosion, moisture intrusion, damaged locks, poor pin fit)
• Incorrect power feed to the valve (misrouted wiring, harness damage causing an unintended constant power path)
• Fuel Cutoff Valve “A” internal electrical fault (coil/driver interface issue leading to an abnormally high signal condition)
• Control module output driver fault for the valve circuit (driver stuck high or not able to pull the circuit low as commanded)
• Aftermarket wiring/device interaction affecting the circuit (added circuits sharing power/ground, poor quality taps)

Diagnosis Steps

Tools: a scan tool capable of reading freeze-frame and live data, a digital multimeter, and access to vehicle-specific wiring diagrams and connector views. A test light may help for basic power/ground checks, and back-probing tools are useful for non-intrusive measurements. If available, use a breakout lead or approved terminal test adapters to avoid spreading terminals.

1. Confirm the DTC. Record freeze-frame data and note whether P2922 is stored, pending, or history. Check for related powertrain DTCs that could indicate shared power/ground or a broader harness issue, then clear codes and see if P2922 resets under similar conditions.
2. Use the scan tool to review any available command/feedback data for the Fuel Cutoff Valve “A” control (naming varies by vehicle). If the module reports the circuit as “high” regardless of command state, treat it as an electrical high-input condition and proceed with circuit checks.
3. Perform a focused visual inspection of the valve, its connector, and the harness routing to the powertrain harness and control module. Look for rubbed-through insulation, pinch points, melted sections, water intrusion, and signs of prior repair. Do not overlook areas near brackets, heat sources, and moving components.
4. Key off. Disconnect the Fuel Cutoff Valve “A” connector and inspect terminals for corrosion, bent pins, pushed-out terminals, and poor retention. Verify the connector seals are intact and that the terminal tension is adequate (varies by vehicle procedure; use service information guidance).
5. With the valve still disconnected, check the control circuit for a short-to-power. Using the wiring diagram to identify the control pin, measure for unintended voltage present on the control circuit under key-on conditions (and as directed by service info). If voltage remains high when it should not, isolate by unplugging intermediate connectors and the control module connector (following safe procedures) to determine which segment is feeding power into the control wire.
6. Check for an open or high-resistance condition in the control circuit. Perform continuity testing end-to-end between the control module pin and the valve control pin (with modules disconnected as required). If continuity is poor or intermittent, locate the fault by sectional testing at harness junctions and connectors.
7. Verify ground integrity where applicable. If the valve uses a dedicated ground circuit, test that ground path with a voltage-drop test under load (command the valve on if bidirectional controls exist, or follow service-info load procedures). Excessive drop indicates high resistance at a splice, connector, or chassis/engine ground point. Clean/tighten grounds only after confirming the exact point of loss.
8. If bidirectional control is available, command the Fuel Cutoff Valve “A” on/off while monitoring the control circuit with a meter and watching live data for state changes. If the module command changes but the circuit reading stays high, suspect a short-to-power, an open ground path in a low-side controlled design, or a driver/output issue (varies by vehicle architecture).
9. Perform a wiggle test while monitoring live data and/or meter readings. Manipulate the harness near the valve connector, known rub points, and at the control module connector area. If the reading or status flickers, focus on that area for terminal fit, broken strands inside insulation, or intermittent shorts.
10. Test the valve electrically per service information. If resistance/insulation checks are specified, follow them without substituting universal values. If the valve fails vehicle-specific tests, replace the valve; if the valve passes but the circuit still indicates high, continue circuit isolation.
11. Evaluate the control module and connector only after the wiring and valve have been verified. Check for water intrusion, damaged terminals, or pin fit issues at the module connector. If all external causes are eliminated and the circuit remains high as reported, a module output driver fault or internal module issue becomes more likely (confirm using service-information pinpoint tests).
12. After repairs, clear DTCs and perform a verification drive or functional test routine that runs the monitor. Recheck for returning codes and confirm the control circuit status behaves normally across operating conditions. Save post-repair scan data for comparison.

Professional tip: A “circuit high” DTC is often caused by a control wire that is being pulled up to power when it shouldn’t be, or by a low-side controlled circuit that cannot be pulled low due to an open ground path. Use the wiring diagram to identify whether the valve is low-side or high-side controlled, then test accordingly; guessing the control strategy can lead to replacing a good valve or module.

Possible Fixes & Repair Costs

Repair cost can vary widely because P2922 is a circuit-high fault and the final fix depends on pinpoint testing, wiring access, connector condition, and whether the issue is in the valve, harness, or control module. Confirm the root cause before replacing parts.

• Repair or replace damaged wiring in the Fuel Cutoff Valve “A” control circuit (chafed insulation, pinched harness, melted sections).
• Clean, reseat, or replace corroded/loose connectors or terminals (including correcting poor pin fit and restoring terminal tension).
• Correct a short-to-power condition on the control circuit (rub-through to a powered feed, incorrect back-probing damage, or misrouted harness contact).
• Restore proper ground integrity where applicable (repair shared ground splice/eyelet, remove corrosion, correct loose fastener) and verify with voltage-drop testing.
• Replace Fuel Cutoff Valve “A” only after confirming the valve/solenoid is the source of the high-signal condition (for example, internal fault causing abnormal circuit behavior).
• Repair or replace damaged sections of the engine/fuel system sub-harness if intermittent opens/shorts are found during a wiggle test.
• Reprogram, repair, or replace the control module only after confirming all external circuit checks pass and service information supports module-level diagnostics.

Can I Still Drive With P2922?

Driving with P2922 may be possible in some cases, but it is not recommended until the circuit-high condition is diagnosed because fuel cutoff control is safety- and drivability-related. If you experience stalling, a no-start, reduced power, or any warning that affects braking or steering assist, do not drive—have the vehicle inspected and repaired. If the vehicle seems normal, limit driving, avoid high-demand situations, and prioritize diagnosis soon to prevent an unexpected shutdown or restart issue.

What Happens If You Ignore P2922?

Ignoring P2922 can lead to intermittent or persistent driveability problems, including unexpected stalling, hard starting, or a no-start if the fuel cutoff strategy is incorrectly triggered or cannot be properly controlled. The fault may also cause the control module to use a fallback strategy that reduces performance or increases the likelihood of repeat fault detection. Continued operation with an unresolved wiring or connector problem can worsen harness damage over time and complicate the eventual repair.

Related Codes

• P2913 – Air Flow Control Valve Stuck Open
• P2912 – Exhaust Aftertreatment Fuel Injector Stuck Off
• P2911 – Exhaust Aftertreatment Fuel Injector Stuck On
• P2910 – Exhaust Aftertreatment Fuel Injector Circuit Range/Performance
• P2909 – Exhaust Aftertreatment Fuel Injector Circuit High
• P2908 – Exhaust Aftertreatment Fuel Injector Circuit Low
• P2907 – Exhaust Aftertreatment Fuel Injector Circuit/Open
• P2906 – Exhaust Aftertreatment Fuel System Performance
• P2905 – Airflow Too High
• P2904 – Airflow Too Low

Key Takeaways

• P2922 indicates a detected Fuel Cutoff Valve “A” control circuit high electrical condition, not a confirmed mechanical failure.
• Most “circuit high” issues trace to short-to-power, open ground, connector faults, or harness damage.
• Diagnosis should be test-driven: verify the command, check the circuit, and confirm the fault is repeatable before replacing parts.
• Because fuel cutoff control affects engine operation, unresolved faults can cause stalling, no-start, or drivability instability.
• Repair decisions and procedures vary by vehicle; use service information for exact connector views and specifications.

Vehicles Commonly Affected by P2922

• Vehicles using an electronically controlled fuel cutoff valve as part of the fuel delivery or safety shutoff strategy
• Platforms with underbody or exposed harness routing where chafing and moisture intrusion are more likely
• High-mileage vehicles with increased likelihood of connector fretting, terminal spread, or corrosion
• Vehicles that have had recent engine, transmission, or fuel-system service where harnesses may be misrouted or connectors not fully seated
• Applications with tightly packaged engine bays where heat can embrittle insulation and strain connectors
• Vehicles operated in wet, salty, or dusty environments that accelerate terminal corrosion and contamination
• Vehicles with prior collision or undercarriage damage affecting harness runs near the fuel system
• Systems that share power/ground circuits among multiple actuators, increasing sensitivity to circuit integrity issues

FAQ

Does P2922 mean the fuel cutoff valve is bad?

No. P2922 indicates the control circuit is being detected as “high,” which is an electrical condition. The cause may be wiring damage, a connector/terminal issue, a short-to-power, an open ground, or less commonly the valve or control module. Confirm with circuit testing before replacing the valve.

What does “circuit high” usually indicate?

“Circuit high” typically points to a signal or control line that is higher than expected for the commanded state. Common electrical reasons include a short-to-power, a missing/poor ground return, an open circuit that allows the line to float high, or connector faults that alter circuit behavior. Exact logic varies by vehicle, so confirm with service information and testing.

Can a loose connector cause P2922?

Yes. A partially seated connector, terminal spread, corrosion, or poor pin fit can intermittently interrupt the intended load path and cause the control circuit to read high. These issues often show up during a wiggle test and may correlate with vibration, temperature changes, or recent service work.

Will clearing the code fix the problem?

Clearing P2922 only removes the stored fault record; it does not correct the electrical condition. If the underlying circuit-high problem remains, the monitor will typically fail again and the code will reset, sometimes along with driveability symptoms depending on the system’s fallback strategy.

What should I check first for P2922?

Start with the basics: verify connector seating and terminal condition at the valve and control module side (where accessible), inspect the harness for rub-through or contact with power feeds, and confirm power/ground integrity with appropriate circuit tests and voltage-drop checks. Then retest to see if the fault is repeatable under the same conditions that set it.

For any repair, confirm the fix by clearing the code, running the monitor conditions (varies by vehicle), and verifying P2922 does not return while logging relevant commands and circuit behavior.