P0663 - Intake Manifold Tuning Valve Control Circuit/Open (Bank 2)

The ECM detected an open or fault in intake manifold tuning valve control on bank 2.

Code first. Confirm symptoms and checks before pricing parts.

Code Overview

The ECM detected an open or fault in intake manifold tuning valve control on bank 2.

Common Causes

• Control module, relay, sensor, or actuator fault
• Damaged wiring or connector
• Calibration or power-supply issue

Diagnostic Steps

1. Inspect related connectors, power feeds, and grounds
2. Check supporting scan data and companion codes
3. Confirm the control circuit before replacing the module or actuator

Likely Repairs & Cost Guides

Confirm the repair path before pricing parts.

Related OBD Codes

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Next Steps

Move from code to checks, then estimate.