OBD Codes List

Diagnostic reference · P2071

P2071

Intake Manifold Tuning (IMT) Valve Stuck Closed Bank 1

System
Fuel and air metering (P code)
Lamp
Check Engine Light
Category
Powertrain - Fuel/Air Metering

What it means

P2071 means Intake Manifold Tuning (IMT) Valve Stuck Closed Bank 1.

Where it lives

For P2071, the description names the valve as the part involved. The description of P2071 puts it on bank 1.

Check these first

  • A bank 1 intake manifold tuning valve stuck closed
  • Carbon buildup freezing the valve closed
  • A failed IMT valve actuator on bank 1
  • A broken IMT valve linkage on bank 1

What to do next

  1. Command the bank 1 IMT valve with a scan tool
  2. Verify valve travel against the commanded position
  3. Inspect the bank 1 IMT valve for carbon buildup
  4. Check the IMT valve actuator and linkage
  5. Replace the bank 1 IMT valve if it will not move
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.