OBD Codes List

Diagnostic reference · P341B

P341B

Deactivation/Intake Valve Control Circuit Performance Bank 2

System
Auxiliary emission controls (P code)
Lamp
Check Engine Light
Category
Powertrain - Auxiliary Emissions Controls

What it means

P341B means Deactivation/Intake Valve Control Circuit Performance Bank 2.

Where it lives

For P341B, start at the valve the description names. The description of P341B puts it on bank 2.

Check these first

  • A bank 2 intake valve control solenoid that moves but not as commanded
  • A sticking or binding bank 2 intake valve
  • Low or dirty engine oil affecting bank 2 intake valve control
  • High resistance in the bank 2 intake valve control wiring
  • Worn mechanical parts in the bank 2 intake valve control linkage

What to do next

  1. Read the bank 2 intake valve control status on a scan tool
  2. Compare the commanded and actual bank 2 intake valve control position
  3. Check the engine oil level and condition
  4. Test the bank 2 intake valve control circuit for added resistance
  5. Replace the bank 2 intake valve control solenoid if the output stays skewed
  6. Clear the code and retest

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Updated

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