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P20062021 Model Year TelemetryMedium Severity

P2006 on 2021 Lexus NX

Intake Manifold Runner Control Stuck Closed (Bank 1)

Technical troubleshooting wire for fault code P2006 specifically tailored for the 2021 Lexus NX. Includes wiring sensor pinouts, freeze frame PID parameters, and step-by-step diagnostic tree.

2021 Engine Control Module (ECM) Specific Calibration
Lexus NX2021 NX
2021 Lexus NX
SUV2.5L 4-Cyl / 2.4L Turbo (275HP) / 2.5L Hybrid (NX 350h) / PHEV (NX 450h+ 304HP)
2021 Stats
Vehicle
2021 NX
2.5L 4-Cyl / 2.4L Turbo (275HP) / 2.5L Hybrid (NX 350h) / PHEV (NX 450h+ 304HP)
ECU Subsystem
Automotive OBD-II
SAE Mode $01 & $02
Est. Repair Cost
$150 - $600
OEM Parts & DIY
Urgency Level
Medium
Drivable (Short)
Switch NX Model Year for P2006

Common 2021 NX Symptoms

  • Check Engine Light on
  • Engine feels choked and sluggish above 4,000 RPM
  • Good low-end torque

Likely Root Causes on 2021 NX

  • IMRC butterfly valves stuck closed with carbon
  • Broken IMRC actuator motor
  • Vacuum leak

Step-by-Step Fix Protocol for 2021 Lexus NX

Step 1: Scan & Record Freeze Frame Data

Connect an OBD-II scanner to the DLC port under the driver dashboard. Record engine RPM, Short Term / Long Term Fuel Trim (STFT/LTFT), and engine coolant temperature at the moment P2006 set.

Step 2: Inspect Wiring Harness & Pin Voltages

Inspect the sensor connector on the 2021 NX engine bay. Use a multimeter to verify reference voltage (5.0V / 12.0V) and ground continuity.

Step 3: Component Replacement & PCM Reset

Replace the verified defective component using OEM or equivalent grade parts. Clear DTC P2006 and complete an EPA drive cycle to verify readiness monitors set to READY.

Recommended Parts & Testing Tools

Equipment for Diagnosing 2021 Lexus NX (P2006)

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Direct-Fit Replacement Part

2021 Lexus NX OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for 2021 Lexus NX.

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Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

$29.99 Prime
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Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

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