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Home / DTC / P2006 — Intake manifold runner control actuator failure, Powertrain Control Module (PCM) failure, Restricted vacuum lines

P2006 — Intake manifold runner control actuator failure, Powertrain Control Module (PCM) failure, Restricted vacuum lines

Detailed page for trouble code P2006.

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P2006

AUDI P — Powertrain

Intake manifold runner control actuator failure, Powertrain Control Module (PCM) failure, Restricted vacuum lines

Brand: AUDI
Type: P — Powertrain
Views: UK: 17 EN: 39 RU: 49
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Failed or weak intake manifold runner actuator (electric or vacuum)
  • Stuck or seized runner flaps/lever due to carbon buildup or debris
  • Broken linkage or disconnected actuator rod/lever
  • Leaking or restricted vacuum lines (if vacuum operated)
  • Open/short/corroded wiring, poor connector or ground to actuator or position sensor
  • Faulty position sensor (if fitted) or incorrect feedback signal

Symptoms

  • Check Engine Light (MIL) with P2006 stored
  • Reduced engine performance or loss of torque at certain RPM ranges
  • Rough idle, stumbling or hesitation under load
  • Unusual intake noises or rattling from intake manifold area
  • Poor fuel economy or limp-home mode depending on driveability impact

What to check

  • Read and record freeze frame and live data with a scan tool; note intake runner position feedback and PCM commanded position
  • Visual inspection: intake manifold, actuator, linkage, and vacuum hoses for damage, disconnection or heavy carbon
  • Check connectors for corrosion, bent pins, and secure fit; wiggle-test while observing data for intermittent faults
  • Perform actuator exercise using a bi-directional scan tool and observe movement and feedback
  • Check vacuum source (if vacuum actuator): apply vacuum and verify the actuator holds vacuum and moves linkage
  • Measure resistance of actuator motor/solenoid and compare to OEM spec; check position sensor voltage range and continuity of wiring

Signal parameters

  • Actuator control: PWM or DC command from PCM, typical 0–5 V or 0–100% duty-cycle (varies by design)
  • Position feedback sensor: roughly 0.5–4.5 V (closed to open) depending on geometry; should change smoothly during operation
  • Actuator coil/servo resistance: typically in the low ohms to tens of ohms (refer to OEM spec)
  • Current draw during operation: higher than idle circuit but should be within manufacturer spec (watch for excessive draw indicating seizure)
  • Vacuum source (if vacuum-operated): able to supply and hold >15 inHg (approx.) under test conditions — consult OEM values

Diagnostic algorithm

  1. Connect a capable scan tool, read freeze frame and live data; note command vs feedback for intake runner position
  2. Perform a visual inspection of intake manifold, actuator, linkage and vacuum hoses; correct any obvious issues
  3. With engine off, move the runner linkage by hand (where accessible) to check for free movement and bind points; note heavy carbon or obstruction
  4. Using scan tool, command actuator through its range while watching feedback; if actuator does not respond, verify power and ground at the connector
  5. Backprobe the actuator connector: verify supply voltage with ignition on, check ground integrity, and observe control signal (voltage or PWM) while commanding
  6. Measure actuator resistance and position sensor voltages; compare to specifications. Replace actuator if out of spec or open circuit
  7. If vacuum operated, apply handheld vacuum to actuator and observe movement and retention; replace leaking diaphragms or hoses as required
  8. If wiring and actuator test good but signal is absent or incorrect, inspect wiring continuity to the PCM and repair as needed
  9. Inspect and clean intake runners and flaps if carbon deposits restrict movement; retest after cleaning
  10. If all wiring/actuator/runner mechanics are good and correct signals are present but code persists, consider PCM output driver fault or software issue — consult manufacturer for reflash or PCM testing

Likely causes

  • Carbon deposits causing runner to stick in open/closed position
  • Actuator internal failure (motor, solenoid or diaphragm leak)
  • Vacuum supply hose collapsed, pinched or leaking
  • Damaged wiring harness at intake or underhood heat exposure
  • Failed position sensor giving out-of-range voltage or intermittent reading

Fault status

⚠️ Status
Intake manifold runner control actuator/position out of expected range or not responding — check actuator, linkage, vacuum, wiring and PCM control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-3.0 hours

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Code

P2006

Generic P — Powertrain

Intake Manifold Runner Control Stuck Closed Bank 1

Brand: Generic
Type: P — Powertrain
Views: UK: 19 EN: 56 RU: 39
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Failed or weak intake manifold runner actuator (electric or vacuum)
  • Stuck or seized runner flaps/lever due to carbon buildup or debris
  • Broken linkage or disconnected actuator rod/lever
  • Leaking or restricted vacuum lines (if vacuum operated)
  • Open/short/corroded wiring, poor connector or ground to actuator or position sensor
  • Faulty position sensor (if fitted) or incorrect feedback signal

Symptoms

  • Check Engine Light (MIL) with P2006 stored
  • Reduced engine performance or loss of torque at certain RPM ranges
  • Rough idle, stumbling or hesitation under load
  • Unusual intake noises or rattling from intake manifold area
  • Poor fuel economy or limp-home mode depending on driveability impact

What to check

  • Read and record freeze frame and live data with a scan tool; note intake runner position feedback and PCM commanded position
  • Visual inspection: intake manifold, actuator, linkage, and vacuum hoses for damage, disconnection or heavy carbon
  • Check connectors for corrosion, bent pins, and secure fit; wiggle-test while observing data for intermittent faults
  • Perform actuator exercise using a bi-directional scan tool and observe movement and feedback
  • Check vacuum source (if vacuum actuator): apply vacuum and verify the actuator holds vacuum and moves linkage
  • Measure resistance of actuator motor/solenoid and compare to OEM spec; check position sensor voltage range and continuity of wiring

Signal parameters

  • Actuator control: PWM or DC command from PCM, typical 0–5 V or 0–100% duty-cycle (varies by design)
  • Position feedback sensor: roughly 0.5–4.5 V (closed to open) depending on geometry; should change smoothly during operation
  • Actuator coil/servo resistance: typically in the low ohms to tens of ohms (refer to OEM spec)
  • Current draw during operation: higher than idle circuit but should be within manufacturer spec (watch for excessive draw indicating seizure)
  • Vacuum source (if vacuum-operated): able to supply and hold >15 inHg (approx.) under test conditions — consult OEM values

Diagnostic algorithm

  1. Connect a capable scan tool, read freeze frame and live data; note command vs feedback for intake runner position
  2. Perform a visual inspection of intake manifold, actuator, linkage and vacuum hoses; correct any obvious issues
  3. With engine off, move the runner linkage by hand (where accessible) to check for free movement and bind points; note heavy carbon or obstruction
  4. Using scan tool, command actuator through its range while watching feedback; if actuator does not respond, verify power and ground at the connector
  5. Backprobe the actuator connector: verify supply voltage with ignition on, check ground integrity, and observe control signal (voltage or PWM) while commanding
  6. Measure actuator resistance and position sensor voltages; compare to specifications. Replace actuator if out of spec or open circuit
  7. If vacuum operated, apply handheld vacuum to actuator and observe movement and retention; replace leaking diaphragms or hoses as required
  8. If wiring and actuator test good but signal is absent or incorrect, inspect wiring continuity to the PCM and repair as needed
  9. Inspect and clean intake runners and flaps if carbon deposits restrict movement; retest after cleaning
  10. If all wiring/actuator/runner mechanics are good and correct signals are present but code persists, consider PCM output driver fault or software issue — consult manufacturer for reflash or PCM testing

Likely causes

  • Carbon deposits causing runner to stick in open/closed position
  • Actuator internal failure (motor, solenoid or diaphragm leak)
  • Vacuum supply hose collapsed, pinched or leaking
  • Damaged wiring harness at intake or underhood heat exposure
  • Failed position sensor giving out-of-range voltage or intermittent reading

Fault status

⚠️ Status
Intake manifold runner control actuator/position out of expected range or not responding — check actuator, linkage, vacuum, wiring and PCM control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-3.0 hours

Similar codes

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Comprehensive workshop manual for the Audi A8 (2003) electrical system — Edition 08.2014. Covers battery, alternator, starter, instrument cluster, wiper/washer systems, exterior/interior lighting and wiring repair procedures with step-by-step illustrations. Includes diagnostic and adjustment procedures and torque/data specifications.

199,00 UAH
Contents
Key sections:
  • 27 - Starter, current supply, CCS
  • 1 Contact corrosion
  • 2 Battery
  • 2.1 Battery - general notes
  • 2.2 Maintenance-free batteries
  • 2.3 Disconnecting and connecting battery
  • 2.4 Removing and installing battery
  • - Remove luggage compartment side trim (right-side)
  • - Connect battery charger for back-up power
  • - Detach earth and positive cables, central venting hose
  • - Remove battery retainer plate and lift battery out
  • - Installation notes, adaptation via Vehicle diagnostic tester
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Years: 2021 Manual in English Pages: 186 82.7 MB
Short description

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199,00 UAH
Contents
Key sections:
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  • - Introduction to Audi Q4 e-tron
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Short description

Workshop manual for the Audi Q8 (2018) — Electrical System. Includes technical data, safety notes and step‑by‑step repair procedures for battery/charging, starter/alternator, lighting, washer/wiper and wiring. Edition 05.2019.

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Contents
Key sections:
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  • 1.2 Safety precautions when using testers and measuring instruments during a road test
  • 1.3 Notes on use and safety for LED headlights and Audi laser lights
  • 2 Repair notes
  • 2.1 Rules for cleanliness
  • 2.2 General notes
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Service manual for the 7‑Speed dual‑clutch (DSG) transmissions 0CJ/0CL/0CK/0DN/0DP/0HL fitted to various Audi models. Includes repair information, clutch and gearbox disassembly/assembly, mechatronic and hydraulic system procedures, seals and differential work. Edition 05.2018.

199,00 UAH
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Key sections:
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  • 1.1 General Repair Information
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  • 2 Rules for Cleanliness when Working on DSG® Transmission
  • 30 - Clutch
  • 1 Clutch
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Land Rover Defender 300Tdi — Workshop Manual (1996 model year)

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Defender 300Tdi Years: 1996 Manual in English 7.5 MB
Short description

Official workshop manual for the Land Rover Defender 300Tdi (from 1996 model year). Contains specifications, adjustment, fault diagnosis and step-by-step repair and overhaul procedures for engine, transmission, axles, suspension, brakes, electrical and body. Intended for dealer workshops and trained technicians.

199,00 UAH
Contents
Key sections:
  • 01 INTRODUCTION
  • 04 GENERAL SPECIFICATION DATA
  • 05 ENGINE TUNING DATA
  • 07 GENERAL FITTING REMINDERS
  • 09 LUBRICANTS, FLUIDS AND CAPACITIES
  • 10 MAINTENANCE
  • 12 ENGINE Tdi
  • - Description and operation
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Land Rover Defender Workshop Manual Supplement & Body Repair Manual (1999 & 2002 MY)

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Workshop Manual Supplement and Body Repair Manual for the Land Rover Defender. Includes general specifications, maintenance schedules, tuning data and step‑by‑step repair procedures for engine, transmission, suspension, brakes, electrical and body repairs. Covers Defender models from 1999 and 2002 model years.

199,00 UAH
Contents
Key sections:
  • 01 - INTRODUCTION
  • - Introduction
  • - Dimensions
  • - References
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Short description

Land Rover Range Rover Electrical Library (LRL 0453ENG). Comprehensive manual covering fuse details, earth points, system descriptions, diagnostics and connector pin-outs for electrical troubleshooting and repair. Intended for technicians and service workshops.

199,00 UAH
Contents
Key sections:
  • 1 INTRODUCTION
  • 1.1 About this document
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  • 1.5 Disciplines / greases
  • 1.6 Abbreviations
  • 1.7 HeVAC, sensors abbreviations
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  • 1.9 Connector detail format
  • 1.10 Fault diagnosis
  • 1.11 Wire colour codes
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Code

P2006

LAND ROVER P — Powertrain

The intake manifold runner control is stuck (bank 1)

Brand: LAND ROVER
Type: P — Powertrain
Views: UK: 6 EN: 18 RU: 21
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Failed or weak intake manifold runner actuator (electric or vacuum)
  • Stuck or seized runner flaps/lever due to carbon buildup or debris
  • Broken linkage or disconnected actuator rod/lever
  • Leaking or restricted vacuum lines (if vacuum operated)
  • Open/short/corroded wiring, poor connector or ground to actuator or position sensor
  • Faulty position sensor (if fitted) or incorrect feedback signal

Symptoms

  • Check Engine Light (MIL) with P2006 stored
  • Reduced engine performance or loss of torque at certain RPM ranges
  • Rough idle, stumbling or hesitation under load
  • Unusual intake noises or rattling from intake manifold area
  • Poor fuel economy or limp-home mode depending on driveability impact

What to check

  • Read and record freeze frame and live data with a scan tool; note intake runner position feedback and PCM commanded position
  • Visual inspection: intake manifold, actuator, linkage, and vacuum hoses for damage, disconnection or heavy carbon
  • Check connectors for corrosion, bent pins, and secure fit; wiggle-test while observing data for intermittent faults
  • Perform actuator exercise using a bi-directional scan tool and observe movement and feedback
  • Check vacuum source (if vacuum actuator): apply vacuum and verify the actuator holds vacuum and moves linkage
  • Measure resistance of actuator motor/solenoid and compare to OEM spec; check position sensor voltage range and continuity of wiring

Signal parameters

  • Actuator control: PWM or DC command from PCM, typical 0–5 V or 0–100% duty-cycle (varies by design)
  • Position feedback sensor: roughly 0.5–4.5 V (closed to open) depending on geometry; should change smoothly during operation
  • Actuator coil/servo resistance: typically in the low ohms to tens of ohms (refer to OEM spec)
  • Current draw during operation: higher than idle circuit but should be within manufacturer spec (watch for excessive draw indicating seizure)
  • Vacuum source (if vacuum-operated): able to supply and hold >15 inHg (approx.) under test conditions — consult OEM values

Diagnostic algorithm

  1. Connect a capable scan tool, read freeze frame and live data; note command vs feedback for intake runner position
  2. Perform a visual inspection of intake manifold, actuator, linkage and vacuum hoses; correct any obvious issues
  3. With engine off, move the runner linkage by hand (where accessible) to check for free movement and bind points; note heavy carbon or obstruction
  4. Using scan tool, command actuator through its range while watching feedback; if actuator does not respond, verify power and ground at the connector
  5. Backprobe the actuator connector: verify supply voltage with ignition on, check ground integrity, and observe control signal (voltage or PWM) while commanding
  6. Measure actuator resistance and position sensor voltages; compare to specifications. Replace actuator if out of spec or open circuit
  7. If vacuum operated, apply handheld vacuum to actuator and observe movement and retention; replace leaking diaphragms or hoses as required
  8. If wiring and actuator test good but signal is absent or incorrect, inspect wiring continuity to the PCM and repair as needed
  9. Inspect and clean intake runners and flaps if carbon deposits restrict movement; retest after cleaning
  10. If all wiring/actuator/runner mechanics are good and correct signals are present but code persists, consider PCM output driver fault or software issue — consult manufacturer for reflash or PCM testing

Likely causes

  • Carbon deposits causing runner to stick in open/closed position
  • Actuator internal failure (motor, solenoid or diaphragm leak)
  • Vacuum supply hose collapsed, pinched or leaking
  • Damaged wiring harness at intake or underhood heat exposure
  • Failed position sensor giving out-of-range voltage or intermittent reading

Fault status

⚠️ Status
Intake manifold runner control actuator/position out of expected range or not responding — check actuator, linkage, vacuum, wiring and PCM control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-3.0 hours

Similar codes

P2004 P2005 P2015 P2016 P2018
Workshop Manuals

Repair manuals for LAND ROVER

3

Land Rover Defender 300Tdi — Workshop Manual (1996 model year)

Workshop Manual
Defender 300Tdi Years: 1996 Manual in English 7.5 MB
Short description

Official workshop manual for the Land Rover Defender 300Tdi (from 1996 model year). Contains specifications, adjustment, fault diagnosis and step-by-step repair and overhaul procedures for engine, transmission, axles, suspension, brakes, electrical and body. Intended for dealer workshops and trained technicians.

199,00 UAH
Contents
Key sections:
  • 01 INTRODUCTION
  • 04 GENERAL SPECIFICATION DATA
  • 05 ENGINE TUNING DATA
  • 07 GENERAL FITTING REMINDERS
  • 09 LUBRICANTS, FLUIDS AND CAPACITIES
  • 10 MAINTENANCE
  • 12 ENGINE Tdi
  • - Description and operation
  • - Fault diagnosis
  • - Adjustment
  • - Repair and overhaul procedures
  • 19 FUEL SYSTEM Tdi
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Land Rover Defender Workshop Manual Supplement & Body Repair Manual (1999 & 2002 MY)

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Defender Years: 1999–2002 Manual in English 7.6 MB
Short description

Workshop Manual Supplement and Body Repair Manual for the Land Rover Defender. Includes general specifications, maintenance schedules, tuning data and step‑by‑step repair procedures for engine, transmission, suspension, brakes, electrical and body repairs. Covers Defender models from 1999 and 2002 model years.

199,00 UAH
Contents
Key sections:
  • 01 - INTRODUCTION
  • - Introduction
  • - Dimensions
  • - References
  • - Repairs and replacements
  • - Poisonous substances
  • - Fuel handling precautions
  • - Synthetic rubber
  • - Recommended sealants
  • - Used engine oil precautions
  • - Accessories and conversions
  • - Wheels and tyres
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Land Rover Range Rover — Electrical Library (LRL 0453ENG, 2002)

Workshop Manual
Manual in English Pages: 494 7.1 MB
Short description

Land Rover Range Rover Electrical Library (LRL 0453ENG). Comprehensive manual covering fuse details, earth points, system descriptions, diagnostics and connector pin-outs for electrical troubleshooting and repair. Intended for technicians and service workshops.

199,00 UAH
Contents
Key sections:
  • 1 INTRODUCTION
  • 1.1 About this document
  • 1.2 Battery voltage
  • 1.3 Electrical precautions
  • 1.4 Battery disconnecting / charging
  • 1.5 Disciplines / greases
  • 1.6 Abbreviations
  • 1.7 HeVAC, sensors abbreviations
  • 1.8 How to use this document
  • 1.9 Connector detail format
  • 1.10 Fault diagnosis
  • 1.11 Wire colour codes
Buy
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+100 karma for a short comment :)
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