P2011 Intake Manifold Runner Control Circuit/Open (Bank 2)

P2011 Intake Manifold Runner Control Circuit/Open (Bank 2) is a generic OBD-II diagnostic trouble code indicating that the Engine Control Module (ECM/PCM) has detected an open or interrupted electrical circuit in the Bank 2 Intake Manifold Runner Control (IMRC) system.

The intake manifold runner control system regulates the path of intake air entering the engine. Depending on engine speed, engine load, throttle position, and other operating conditions, the runner mechanism changes position to optimize airflow.

The ECM/PCM controls and monitors this system through an electrical circuit.

When the circuit becomes electrically open, disconnected, or interrupted, the ECM/PCM may be unable to properly control or monitor the Bank 2 runner system and stores P2011.

In simple terms, P2011 means the electrical path used by the Bank 2 intake manifold runner control system is broken, disconnected, or otherwise unable to carry the expected electrical signal.

Possible causes include:

• Broken wire

• Disconnected connector

• Loose connector terminal

• Corroded terminal

• Poor terminal tension

• Open power circuit

• Blown fuse

• Faulty relay

• Failed runner actuator

• Failed runner control solenoid

• Internal actuator wiring failure

• Damaged position sensor circuit

• Incorrect wiring repair

• Damaged wiring harness

• Poor electrical connection

• ECM/PCM circuit problem

Importantly, P2011 is an open-circuit code.

Therefore, the first diagnostic priority should be finding where the electrical circuit is interrupted rather than immediately replacing the intake manifold.

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What Does P2011 Mean?

The code description contains several important terms.

Intake Manifold Runner Control

The Intake Manifold Runner Control (IMRC) system controls airflow through the intake manifold.

Depending on the engine design, the system may use:

• Runner flaps

• Electric actuator

• Vacuum actuator

• Control solenoid

• Position sensor

• Position switch

• Mechanical linkage

• ECM/PCM control circuit

The purpose is to optimize airflow under different engine operating conditions.

An IMRC system can help with:

• Low-RPM torque

• High-RPM airflow

• Throttle response

• Combustion efficiency

• Fuel economy

• Emissions performance

Different manufacturers may use different names for similar systems, including:

• Intake Manifold Runner Control (IMRC)

• Intake Runner Control

• Intake Manifold Runner System

• Intake Manifold Flap Control

• Variable Intake Manifold

• Intake Manifold Tuning system

The exact design depends on the vehicle and engine.

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Circuit/Open

The word “Open” is the key part of P2011.

An open circuit means that electrical current or the expected electrical signal cannot complete its intended path.

For example, a wire can be physically broken between the ECM/PCM and the runner actuator.

Other possibilities include:

• Disconnected connector

• Broken terminal

• Corroded connector

• Open fuse

• Broken power wire

• Failed actuator winding

• Internal component failure

The exact circuit configuration depends on the vehicle.

Therefore, P2011 does not automatically mean that the intake runner itself is physically stuck.

It identifies an electrical circuit interruption.

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Bank 2

Bank 2 refers to the cylinder bank that does not contain cylinder number one.

On a V-type engine:

• Bank 1 = cylinder bank containing cylinder number one

• Bank 2 = opposite cylinder bank

Therefore:

P2011 = Bank 2

The corresponding Bank 1 code is:

P2004 = Intake Manifold Runner Control Stuck Open (Bank 1)

However, the P2004/P2011 relationship should not be interpreted simply as an electrical opposite because P2004 identifies a physical runner-position condition, while P2011 identifies an open-circuit condition.

Inline engines normally have only one cylinder bank.

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How Does the Intake Manifold Runner Control System Work?

A simplified runner-control system can be represented as:

ECM/PCM → Electrical circuit → Actuator/solenoid → Runner mechanism → Position feedback → ECM/PCM

The ECM/PCM commands the runner system according to engine operating conditions.

Depending on the design, the actuator may:

• Move the runner flaps directly

• Operate a mechanical linkage

• Control a vacuum actuator through a solenoid

A position sensor or switch may then report the runner position to the ECM/PCM.

If the electrical circuit is open, the actuator may not respond and the ECM/PCM may lose the expected feedback signal.

This can result in P2011.

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P2011 Does Not Necessarily Mean the Runner Is Stuck

A common mistake is to interpret P2011 as:

“The intake manifold runner is stuck.”

That is not the specific meaning of this code.

P2011 indicates a circuit/open condition.

For example, the runner mechanism may move freely by hand, but a broken wire may prevent the actuator from receiving power or control signals.

Similarly, the actuator itself may be mechanically intact but have an internal open winding.

Therefore, the electrical circuit should be tested before replacing the intake manifold.

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Symptoms of P2011

Symptoms vary depending on the vehicle and the severity of the electrical fault.

Check Engine Light

The most common symptom is an illuminated Check Engine Light.

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Reduced Engine Performance

If the runner system cannot operate correctly, the engine may not receive the intended intake-air characteristics.

Possible symptoms include:

• Reduced engine power

• Sluggish acceleration

• Poor engine response

• Reduced performance at certain RPMs

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Poor Low-RPM Torque

Some intake runner systems are designed to increase intake-air velocity at lower engine speeds.

If the runner system cannot operate, low-speed torque may be reduced.

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Poor High-RPM Performance

On systems that change runner geometry at higher RPM, a failed runner-control system can affect high-speed airflow.

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Engine Hesitation

The vehicle may hesitate during acceleration or changes in engine load.

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Poor Throttle Response

The engine may respond less quickly or less consistently to throttle input.

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Rough Idle

Some vehicles may experience:

• Rough idle

• Uneven engine operation

• Unstable idle speed

However, this is not guaranteed with P2011.

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Reduced Fuel Economy

Incorrect intake-air management can affect combustion efficiency and fuel consumption.

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Increased Emissions

Improper runner operation can affect combustion and emissions performance.

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Reduced-Power or Limp Mode

Some vehicles may use a default runner position or fallback strategy when the ECM/PCM detects a serious runner-control problem.

Depending on the vehicle, this can result in reduced engine performance.

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No Noticeable Symptoms

A vehicle may sometimes drive normally apart from the Check Engine Light.

This can occur when the ECM/PCM can maintain acceptable engine operation without actively controlling the runner system.

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Common Causes of P2011

Broken Wiring

A broken wire is one of the most direct causes of an open-circuit fault.

Possible causes include:

• Engine vibration

• Chafing

• Heat damage

• Previous repairs

• Pinched wiring

• Rodent damage

• Excessive harness tension

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Disconnected Electrical Connector

A connector that has been left disconnected can interrupt the entire circuit.

This can happen after:

• Intake manifold service

• Engine repair

• Sensor replacement

• Throttle-body service

• Harness work

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Loose Connector Terminal

A connector may appear to be connected while one terminal has insufficient contact.

Possible causes include:

• Loose terminal

• Damaged terminal lock

• Poor terminal tension

• Partially backed-out pin

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Corroded Connector

Corrosion can interrupt the electrical circuit.

Possible causes include:

• Water intrusion

• Oil contamination

• Road salt

• Moisture

• Damaged connector seals

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Blown Fuse

If the runner actuator or solenoid receives power through a fuse, a blown fuse can interrupt the circuit.

The reason the fuse failed should also be investigated.

Simply replacing the fuse without finding an underlying short or overload may cause the fuse to fail again.

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Faulty Relay

Some systems use a relay to supply power to the actuator or solenoid.

A failed relay can interrupt the power circuit.

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Open Power Supply

The actuator or solenoid may not receive the required power because of:

• Broken power wire

• Blown fuse

• Failed relay

• Corroded terminal

• Loose connection

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Faulty Runner Actuator

An electric actuator can fail internally.

Possible failures include:

• Open motor winding

• Internal wiring break

• Failed circuit board

• Damaged position circuitry

• Internal connector failure

An actuator with an internal open circuit can cause P2011 even when the external wiring looks normal.

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Faulty Runner Control Solenoid

Vacuum-operated systems may use a control solenoid.

A solenoid with an internally open coil can prevent proper operation.

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Faulty Position Sensor

If the monitored runner-control system incorporates a position sensor, an open sensor circuit can cause an electrical fault.

Possible problems include:

• Broken signal wire

• Disconnected sensor

• Internal sensor failure

• Corroded connector

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Incorrect Wiring Repair

A previous repair may have:

• Left a wire disconnected

• Created a poor splice

• Used an incorrect connector

• Damaged the conductor

• Connected the wrong circuit

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Damaged Wiring Harness

The harness can be damaged by:

• Exhaust heat

• Engine movement

• Vibration

• Chafing against brackets

• Oil contamination

• Water intrusion

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Mechanical Runner Problem

A mechanical problem may also prevent correct runner operation.

Possible problems include:

• Sticking flaps

• Carbon buildup

• Broken linkage

• Worn runner shaft

• Damaged runner mechanism

However, a purely mechanical fault should not be assumed when the code specifically identifies an open electrical circuit.

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ECM/PCM Driver Problem

The ECM/PCM may contain the driver circuitry used to control the runner actuator or solenoid.

A module-side circuit problem is possible but should generally be considered after the external circuit has been thoroughly tested.

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ECM/PCM Software or Calibration Problem

In some vehicles, software or calibration problems can affect runner-system monitoring.

Manufacturer technical information should be checked before replacing expensive components.

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Vehicles Commonly Affected by P2011

P2011 can occur on many vehicles equipped with a Bank 2 intake manifold runner control system.

Examples may include:

• Ford F-150

• Ford Explorer

• Ford Expedition

• Ford Mustang

• Chevrolet Silverado

• Chevrolet Tahoe

• Chevrolet Suburban

• GMC Sierra

• GMC Yukon

• Cadillac Escalade

• Dodge Charger

• Dodge Challenger

• Jeep Grand Cherokee

• Ram 1500

• Toyota Tundra

• Toyota Sequoia

• Nissan Pathfinder

• Nissan Armada

• Infiniti QX80

• BMW 3 Series

• BMW 5 Series

• Mercedes-Benz E-Class

• Audi Q7

• Volkswagen Touareg

• Porsche Cayenne

This list is not exhaustive.

The exact application depends on:

• Model year

• Engine

• Intake manifold design

• Runner-control architecture

• Actuator type

• Position sensor configuration

• Wiring design

• ECM/PCM calibration

Because P2011 is a generic OBD-II code, the exact circuit arrangement and diagnostic procedure can vary between manufacturers.

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How Is P2011 Diagnosed?

Because P2011 identifies an open circuit, diagnosis should focus first on finding the interruption in the electrical path.

The technician should determine whether the open circuit is caused by:

• Broken wire

• Disconnected connector

• Loose terminal

• Corroded terminal

• Blown fuse

• Failed relay

• Faulty actuator

• Faulty control solenoid

• Faulty position sensor

• Incorrect wiring repair

• ECM/PCM circuit problem

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Step 1: Scan for Additional Trouble Codes

Use a suitable diagnostic scan tool to retrieve:

• Stored codes

• Pending codes

• History codes

• Freeze-frame data

Look for related codes involving:

• Intake manifold runner control

• Runner position

• Runner actuator

• Position sensor

• Sensor circuit

• Power supply

• Ground

• Reference voltage

• Vacuum control

• Engine performance

• Misfires

Additional codes can provide important clues.

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Step 2: Review Freeze-Frame Data

Review the operating conditions present when P2011 was stored.

Depending on the scan tool, check:

• Engine RPM

• Engine load

• Vehicle speed

• Throttle position

• Engine coolant temperature

• Intake air temperature

• Battery voltage

• Runner commanded position

• Runner actual position

This can help determine whether the problem occurs continuously or only under certain conditions.

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Step 3: Inspect the Runner-Control Wiring

Visually inspect the entire Bank 2 runner-control harness.

Look for:

• Broken wires

• Chafed insulation

• Melted insulation

• Pinched harnesses

• Loose wiring

• Oil contamination

• Water damage

• Wiring touching hot components

• Previous repairs

Pay special attention to areas where the harness bends or moves with the engine.

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Step 4: Inspect the Electrical Connector

Check the runner actuator, solenoid, and position-sensor connectors where applicable.

Look for:

• Disconnected connectors

• Corrosion

• Moisture

• Bent pins

• Backed-out terminals

• Loose terminals

• Poor terminal tension

• Broken connector locks

• Damaged seals

A connector that looks normal externally can still contain a poor terminal connection.

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Step 5: Check the Fuse

Identify the fuse supplying the runner-control system using the vehicle-specific wiring diagram.

Check whether the fuse is intact.

If the fuse is blown, determine why it failed before installing a replacement.

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Step 6: Check the Relay

If the system uses a relay, verify:

• Relay operation

• Relay power supply

• Relay ground

• Relay output

• Terminal condition

A failed relay can interrupt actuator or solenoid power.

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Step 7: Check Power Supply

Verify that the runner actuator or solenoid receives the required power.

Check:

• Battery voltage where specified

• Ignition power

• Fuse output

• Relay output

• Power wiring

• Connector terminals

A missing power supply can create an open-circuit condition.

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Step 8: Check the Ground Circuit

Verify the relevant ground circuit.

Check for:

• Broken ground wire

• Corroded ground point

• Loose ground connection

• Excessive resistance

• Damaged ground terminal

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Step 9: Check Circuit Continuity

Using the vehicle-specific wiring diagram, test continuity between the appropriate terminals.

An open reading where the manufacturer specifies a continuous circuit indicates an interruption.

Possible locations include:

• Harness

• Connector

• Actuator

• Solenoid

• Sensor

Do not rely on continuity alone if the circuit can fail under load.

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Step 10: Perform a Voltage-Drop Test

A voltage-drop test can identify excessive resistance that may not be obvious during a simple continuity test.

Check the appropriate:

• Power circuit

• Ground circuit

• Control circuit

Follow the manufacturer's test procedure.

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Step 11: Test the Runner Actuator

If an electric actuator is used, test:

• Power

• Ground

• Control circuit

• Motor operation

• Internal position feedback

• Current draw where specified

If the actuator has an internal open circuit, the external wiring may test correctly while the actuator itself remains faulty.

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Step 12: Test the Runner Control Solenoid

For vacuum-operated systems, test the solenoid.

Verify:

• Power

• Ground

• Control circuit

• Coil resistance where specified

• Solenoid activation

• Vacuum switching

An internally open solenoid coil can cause an open-circuit condition.

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Step 13: Test the Position Sensor

If the system uses a runner position sensor, inspect:

• Power supply

• Ground

• Signal circuit

• Connector

• Sensor response

Look for an interrupted or missing signal.

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Step 14: Inspect the Mechanical Runner System

Once the electrical circuit is verified, inspect the mechanical system.

Check for:

• Carbon buildup

• Sticking runner flaps

• Broken linkage

• Worn shaft

• Mechanical obstruction

• Damaged runner mechanism

The runner should move as specified by the manufacturer.

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Step 15: Check Vacuum Operation

If the runner system is vacuum-operated, inspect:

• Vacuum supply

• Vacuum hoses

• Control solenoid

• Actuator diaphragm

• Vacuum reservoir where applicable

A disconnected vacuum hose may prevent runner movement even when the electrical control circuit is intact.

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Step 16: Compare Commanded and Actual Runner Position

If live data is available, compare:

Commanded runner position vs. actual runner position

A significant mismatch can indicate:

• Actuator failure

• Position-sensor problem

• Mechanical binding

• Linkage damage

• Loss of actuator control

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Step 17: Perform a Wiggle Test

Monitor the circuit while carefully moving the wiring harness and connectors.

If the circuit suddenly changes from normal to open, or the actuator signal disappears, inspect the affected section of the harness.

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Step 18: Compare Bank 1 and Bank 2

If the vehicle uses equivalent runner-control systems on both banks, compare:

• Circuit voltage

• Power supply

• Ground

• Sensor signal

• Actuator operation

• Runner movement

• Commanded position

• Actual position

Bank 1 can provide a useful reference when both systems are designed similarly.

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Step 19: Check Manufacturer Technical Information

Look for:

• Technical Service Bulletins

• Known runner-control wiring problems

• Connector issues

• Updated actuators

• Updated solenoids

• Updated sensors

• Software updates

• Calibration procedures

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Step 20: Perform Calibration or Relearn

Some vehicles require runner position calibration or relearn after replacing:

• Runner actuator

• Position sensor

• Intake manifold

• Runner mechanism

Follow the manufacturer's procedure.

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Step 21: Test the ECM/PCM

If the external wiring, connectors, fuse, relay, power, ground, actuator, solenoid, sensor, and mechanical runner system all test correctly, further ECM/PCM testing may be necessary.

ECM/PCM replacement should not be the first response to P2011.

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How to Fix P2011

The correct repair depends on the confirmed cause.

Repair Broken Wiring

If a wire is broken:

• Repair the conductor according to the manufacturer's procedure.

• Replace severely damaged wiring.

• Protect the harness from heat and chafing.

• Secure the harness correctly.

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Reconnect a Disconnected Connector

If a connector has been disconnected:

• Inspect the terminals.

• Verify the connector is undamaged.

• Reconnect it fully.

• Confirm that the locking mechanism engages.

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Repair Loose or Damaged Terminals

If a terminal has poor contact:

• Repair or replace the terminal.

• Restore correct terminal tension.

• Repair the connector lock if necessary.

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Repair Corroded Connectors

If corrosion or moisture is found:

• Repair or replace affected terminals.

• Replace damaged connector components where required.

• Correct the source of water intrusion.

• Ensure connector seals are properly installed.

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Replace the Fuse

If a fuse is blown, replace it only after identifying and correcting the reason for the fuse failure.

A replacement fuse should have the correct rating specified by the manufacturer.

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Replace the Faulty Relay

If testing confirms a defective relay, replace it with the correct component.

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Repair the Power Supply

If the actuator or solenoid is missing its required power:

• Repair the power wire.

• Repair the fuse circuit.

• Repair the relay circuit.

• Correct poor terminal connections.

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Repair the Ground Circuit

If the ground circuit is open or has excessive resistance:

• Repair the ground wire.

• Clean or repair the ground connection.

• Replace damaged terminals.

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Replace the Faulty Runner Actuator

If the actuator has an internal open circuit or other confirmed electrical failure, replace the actuator.

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Replace the Faulty Runner Control Solenoid

For vacuum-operated systems, replace a control solenoid that has been confirmed to have an internal electrical failure.

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Replace the Faulty Position Sensor

If testing confirms an open or failed position sensor circuit, replace the sensor where applicable.

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Repair the Mechanical Runner System

If the runner mechanism has:

• Carbon buildup

• Broken linkage

• Sticking flaps

• Mechanical obstruction

repair the underlying problem.

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Repair Vacuum-System Problems

Repair:

• Cracked vacuum hoses

• Disconnected hoses

• Vacuum leaks

• Faulty solenoids

• Damaged vacuum actuators

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Replace the Intake Manifold

If the internal runner mechanism is damaged and cannot be repaired separately, the intake manifold may require replacement.

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Perform Calibration or Relearn

If required, perform the manufacturer's runner-control calibration or relearn procedure after replacing the relevant component.

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Update ECM/PCM Software

If a manufacturer software update addresses the runner-control problem, update the ECM/PCM according to the applicable service procedure.

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Repair or Replace the ECM/PCM

If all external circuits and components are confirmed to be correct but the ECM/PCM continues to identify an open circuit, further module testing may be necessary.

ECM/PCM replacement should be considered only after the external electrical circuit has been thoroughly verified.

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Clear the Code and Verify the Repair

After completing the repair:

1. Clear P2011.

2. Monitor Bank 2 runner-control data.

3. Check circuit voltage.

4. Verify power supply.

5. Verify ground.

6. Check the control circuit.

7. Inspect the connector.

8. Test circuit continuity.

9. Perform voltage-drop tests where appropriate.

10. Check the fuse.

11. Check the relay where applicable.

12. Test the runner actuator or control solenoid.

13. Check position-sensor operation where applicable.

14. Perform a wiggle test.

15. Inspect the runner linkage.

16. Check for mechanical binding.

17. Check the vacuum system where applicable.

18. Perform the required calibration or relearn.

19. Complete the appropriate drive cycle.

20. Confirm that P2011 does not return.

The vehicle should ideally be tested under the operating conditions that originally triggered the code.

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What Happens If P2011 Is Ignored?

P2011 does not normally indicate immediate catastrophic engine failure.

However, an open runner-control circuit can prevent the ECM/PCM from properly controlling the Bank 2 intake manifold runner system.

Possible consequences include:

• Reduced engine performance

• Poor throttle response

• Reduced low-RPM torque

• Poor high-RPM performance

• Reduced fuel economy

• Increased emissions

• Engine hesitation

• Rough engine operation

• Continued Check Engine Light

• Additional intake runner-control faults

If the open circuit is caused by a damaged power wire, connector, or fuse, the underlying electrical problem may also affect other components sharing the same circuit.

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Can You Drive With P2011?

In many cases, a vehicle with P2011 can still be driven if the engine operates normally.

P2011 is generally not an immediate engine-damage code.

However, the fault should be diagnosed and repaired.

Driving should be treated more cautiously if the vehicle also has:

• Significant power loss

• Severe hesitation

• Stalling

• Engine misfires

• Rough running

• Multiple engine-control codes

• Poor throttle response

If the Check Engine Light is flashing or the engine is actively misfiring, the vehicle should be inspected promptly.

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Is P2011 a Serious Code?

P2011 is generally considered a low-to-moderate severity diagnostic trouble code.

The actual severity depends on the underlying fault and how important the runner system is to the engine's operating strategy.

A disconnected connector may produce relatively minor symptoms.

A damaged harness, failed actuator, or power-supply problem can prevent the runner system from operating completely.

Ignoring P2011 can contribute to:

• Reduced engine performance

• Reduced fuel economy

• Increased emissions

• Poor intake-air management

• Continued Check Engine Light

• Additional runner-control problems

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P2011 vs. P2012

P2011 and P2012 both concern the Bank 2 Intake Manifold Runner Control system, but they identify different electrical conditions.

Code	General Meaning
P2011	Intake Manifold Runner Control Circuit/Open (Bank 2)
P2012	Intake Manifold Runner Control Circuit Low (Bank 2)

The distinction is:

P2011 = open/interrupted circuit

P2012 = low circuit signal

With P2011, the technician should first look for a complete electrical interruption.

With P2012, the circuit may still be electrically connected, but its measured signal or voltage is below the expected threshold.

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P2011 vs. P2013

Code	General Meaning
P2011	Intake Manifold Runner Control Circuit/Open (Bank 2)
P2013	Intake Manifold Runner Control Circuit High (Bank 2)

The distinction is:

P2011 = open circuit

P2013 = high circuit signal

P2011 points toward an interrupted electrical path.

P2013 points toward an excessive circuit voltage or signal condition, such as a possible short to battery voltage.

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P2011 vs. P2014

Code	General Meaning
P2011	Intake Manifold Runner Control Circuit/Open (Bank 2)
P2014	Intake Manifold Runner Position Sensor / Switch Circuit (Bank 1)

The main differences are:

P2011 = Bank 2 + open circuit

P2014 = Bank 1 + general circuit fault

P2014 does not specifically identify an open, low, high, or intermittent condition.

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P2011 vs. P2015

Code	General Meaning
P2011	Intake Manifold Runner Control Circuit/Open (Bank 2)
P2015	Intake Manifold Runner Position Sensor / Switch Circuit Range / Performance (Bank 1)

The distinction is:

P2011 = Bank 2 open circuit

P2015 = Bank 1 range/performance problem

P2015 can involve a mismatch between commanded and actual runner position, whereas P2011 specifically identifies an open electrical circuit.

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P2011 vs. P2016

Code	General Meaning
P2011	Intake Manifold Runner Control Circuit/Open (Bank 2)
P2016	Intake Manifold Runner Position Sensor / Switch Circuit Low (Bank 1)

The distinction is:

P2011 = Bank 2 open

P2016 = Bank 1 low signal

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P2011 vs. P2017

Code	General Meaning
P2011	Intake Manifold Runner Control Circuit/Open (Bank 2)
P2017	Intake Manifold Runner Position Sensor / Switch Circuit High (Bank 1)

The distinction is:

P2011 = Bank 2 open circuit

P2017 = Bank 1 high circuit

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P2011 vs. P2018

Code	General Meaning
P2011	Intake Manifold Runner Control Circuit/Open (Bank 2)
P2018	Intake Manifold Runner Position Sensor / Switch Circuit Intermittent (Bank 1)

The distinction is:

P2011 = open

P2018 = intermittent

An open circuit generally indicates a persistent interruption, while an intermittent fault may appear and disappear as the harness, connector, or component changes condition.

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P2011 vs. P2019

Code	General Meaning
P2011	Intake Manifold Runner Control Circuit/Open (Bank 2)
P2019	Intake Manifold Runner Position Sensor / Switch Circuit Malfunction (Bank 2)

Both concern Bank 2.

The difference is:

P2011 = specific open-circuit condition

P2019 = general circuit malfunction

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P2011 vs. P2020

Code	General Meaning
P2011	Intake Manifold Runner Control Circuit/Open (Bank 2)
P2020	Intake Manifold Runner Position Sensor / Switch Circuit Range / Performance (Bank 2)

The distinction is:

P2011 = open circuit

P2020 = range/performance

P2020 may involve an incorrect position signal or mismatch between expected and actual runner position.

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P2011 vs. P2021

Code	General Meaning
P2011	Intake Manifold Runner Control Circuit/Open (Bank 2)
P2021	Intake Manifold Runner Position Sensor / Switch Circuit Low (Bank 2)

Both concern Bank 2, but:

P2011 = open runner-control circuit

P2021 = low position-sensor/switch circuit

These descriptions can refer to different portions of the runner-control system, so the exact physical circuit should be confirmed using the vehicle-specific wiring diagram.

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P2011 vs. P2022

Code	General Meaning
P2011	Intake Manifold Runner Control Circuit/Open (Bank 2)
P2022	Intake Manifold Runner Position Sensor / Switch Circuit High (Bank 2)

The distinction is:

P2011 = open

P2022 = high

Both concern Bank 2 but identify different electrical conditions and potentially different portions of the runner system.

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P2011 vs. P2023

Code	General Meaning
P2011	Intake Manifold Runner Control Circuit/Open (Bank 2)
P2023	Intake Manifold Runner Position Sensor / Switch Circuit Intermittent (Bank 2)

The distinction is:

P2011 = open circuit

P2023 = intermittent circuit

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P2011 vs. P2075

P2075 concerns the Intake Manifold Tuning (IMT) Valve Position Sensor / Switch Circuit Malfunction (Bank 1).

Code	General Meaning
P2011	Intake Manifold Runner Control Circuit/Open (Bank 2)
P2075	Intake Manifold Tuning (IMT) Valve Position Sensor / Switch Circuit Malfunction (Bank 1)

These codes concern related intake-air control systems, but they should not automatically be considered the same physical component.

Manufacturers can use different terminology and different intake-manifold control architectures.

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P2011 vs. P2076

P2076 concerns the Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Range/Performance (Bank 1).

Code	General Meaning
P2011	Intake Manifold Runner Control Circuit/Open (Bank 2)
P2076	Intake Manifold Tuning (IMT) Valve Position Sensor / Switch Circuit Range / Performance (Bank 1)

P2011 specifically identifies a Bank 2 open-circuit condition.

P2076 identifies a Bank 1 range/performance problem involving an IMT valve position sensor/switch.

The exact physical components should be confirmed for the specific vehicle.

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How to Prevent P2011

Not every runner-control electrical fault can be prevented, but proper maintenance can reduce the likelihood of problems.

Recommended practices include:

• Inspect runner-control wiring during routine service.

• Keep wiring away from excessive engine heat.

• Secure wiring harnesses against vibration.

• Check electrical connectors for corrosion.

• Prevent moisture from entering connectors.

• Repair damaged wiring promptly.

• Avoid poorly executed wiring repairs.

• Check runner-control fuses when electrical work is performed.

• Inspect vacuum hoses on vacuum-operated systems.

• Address excessive intake carbon buildup when appropriate.

• Repair loose or damaged runner linkage.

• Use the correct replacement actuator, sensor, or solenoid.

• Make sure connectors are fully seated after service.

• Follow manufacturer calibration procedures.

• Do not ignore Check Engine Light warnings.

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Final Thoughts

P2011 Intake Manifold Runner Control Circuit/Open (Bank 2) indicates that the ECM/PCM has detected an open or interrupted electrical circuit in the Bank 2 intake manifold runner control system.

The most important point is that P2011 is an open-circuit code.

The diagnostic process should therefore first concentrate on finding the interruption in the electrical path.

Possible causes include:

• Broken wiring

• Disconnected connector

• Loose terminals

• Corroded terminals

• Blown fuse

• Failed relay

• Open power circuit

• Faulty runner actuator

• Faulty runner-control solenoid

• Faulty position sensor

• Incorrect wiring repair

• Damaged harness

• ECM/PCM circuit fault

The first priority should be determining where the electrical circuit is open.

Start by scanning for additional trouble codes and reviewing freeze-frame data.

Then inspect the Bank 2 runner-control wiring, connectors, fuse, and relay where applicable.

Verify the power supply and ground.

Perform continuity and voltage-drop tests according to the vehicle-specific wiring diagram.

If the external circuit is intact, test the runner actuator, control solenoid, and position sensor where applicable.

Only after the electrical system has been verified should the mechanical runner mechanism be investigated for carbon buildup, sticking, damaged linkage, or other mechanical problems.

The actuator, sensor, solenoid, or intake manifold should not automatically be replaced simply because P2011 is stored.

P2011 is generally a low-to-moderate severity code, and many vehicles can still be driven if they operate normally. However, the fault should be repaired because an open runner-control circuit can affect engine performance, fuel economy, emissions, and throttle response.

After the confirmed fault has been repaired, clear P2011 and verify the system under the operating conditions that originally triggered the code.

The Bank 2 runner-control circuit should operate continuously within the manufacturer's specified parameters, the runner system should respond correctly, and P2011 should not return.