MechanicDB
Fault Family System: Powertrain (P-Codes) 10 SAE Codes

Intake Manifold Tuning Valve Circuit

Diagnostic & Technical Explanation
Code P065E (Intake Manifold Tuning Valve Performance Bank 1) sets when the ECM detects an open circuit, out-of-range voltage, or a performance fault while driving the intake manifold tuning/runner control valve that switches runner length or shape for torque tuning across the RPM range. Causes are carbon buildup jamming the valve flap, a failed actuator motor, or damaged control wiring.

These 10 diagnostic trouble codes share one detection mechanism and one repair path, which is why MechanicDB groups them into a single authored fault family rather than repeating the same explanation 10 times.

Codes in this family (10)

CodeDefinitionRepair coverage
P065EIntake Manifold Tuning Valve Performance Bank 13 ranked fixes
P065FIntake Manifold Tuning Valve Performance Bank 23 ranked fixes
P0660Intake Manifold Tuning Valve Control Circuit/Open Bank 13 ranked fixes
P0661Intake Manifold Tuning Valve Control Circuit Low Bank 13 ranked fixes
P0662Intake Manifold Tuning Valve Control Circuit High Bank 13 ranked fixes
P0663Intake Manifold Tuning Valve Control Circuit/Open Bank 23 ranked fixes
P0664Intake Manifold Tuning Valve Control Circuit Low Bank 23 ranked fixes
P0665Intake Manifold Tuning Valve Control Circuit High Bank 23 ranked fixes
P2D31Intake Manifold Tuning Valve Exceeded Learning Limit Bank 13 ranked fixes
P2D32Intake Manifold Tuning Valve Control Circuit Driver Current/Temperature Too High Bank 13 ranked fixes

What this page does not show

This page publishes the fault mechanism and the code index. The licensed dataset adds, for every one of the 15,886 codes, the full authored repair set (56,729 procedures in total) with the fields deliberately withheld here: