Intake Manifold Tuning Valve Control Circuit Open (Bank 2)
The P0663 code means the vehicle's onboard diagnostic system has detected: Intake Manifold Tuning Valve Control Circuit Open (Bank 2). This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $50 - $500 (parts and labor)
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Common Symptoms
- Check Engine Light on
- IMTV not operating on Bank 2
- Reduced system performance
- Warning indicators on dashboard
Probable Causes (Ranked by Likelihood)
- Open circuit in Bank 2 IMTV solenoid wiring Very High
- Wiring damage or corrosion in the circuit High
- Poor electrical connection at module or component Moderate
- ECM or control module internal failure Low
Step-by-Step Diagnostic Procedure
-
Use a scan tool to read data related to Intake Manifold Tuning Valve Control
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Inspect all related wiring, connectors, and grounds for damage, corrosion, or loose connections
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Measure circuit voltage, resistance, and continuity to identify the fault type
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Check for technical service bulletins related to this code for your specific vehicle
Frequently Asked Questions
What does P0663 mean?
P0663 indicates a fault in the intake manifold tuning valve control circuit open (bank 2). This is an electronic control system code that affects the ECM's ability to manage the associated component or system.
Is P0663 a serious code?
This is a low-priority code that does not typically affect drivability but should be diagnosed when convenient.
Can a low battery cause ECM-related codes?
Yes. Low battery voltage can cause various ECM and module communication codes. Always verify the battery is fully charged and the charging system is working before diagnosing electronic control module codes.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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