P2D31

Intake Manifold Tuning Valve Exceeded Learning Limit Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Reduced engine power
Unstable idling
Increased fuel consumption
Check Engine Light Illuminates
Dips during acceleration

Causes

Sticking or mechanical damage to the IMTV valve
Problems with wiring or connectors
Solenoid valve malfunction
Contamination or carbon deposits on components
ECU software errors

How to Fix

Check the mechanical condition of the IMTV valve
Check the integrity of the control and power circuits
Clean valve and related components
Perform valve retraining using a scanner
If necessary, replace the intake tuning valve

Related codes

P2D32 P2004 P2006